Pipelined table functions are table functions in which rows are returned or "piped" back to the calling query before the function has completed, avoiding the blocking behavior of normal PL/SQL functions and reduce PGA consumption. This video is part of the Oracle Dev Gym class "Getting Started with Table Functions". You can watch it independent of the class, but then you miss out on the tutorials and quizzes! So visit https://devgym.oracle.com/pls/apex/dg/class/getting-started-with-pl-sql-table-functions.html and register for the class! ======================================== Practically Perfect PL/SQL with Steven Feuerstein Copyright © 2018 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Today I am showing you. How to create Database link (DB Link) in Oracle. What is Database Link ( DB Link ) ? A database link is a schema object in one database that enables you to access objects on another database. I have 2 databases 1. paragdb 2. orcl In Paragdb database 1. Create listener 2. Service Name 3. In Orcl Database 1. Create Listener 2. Service Name 3. Create new User 4.Grant connect,resource,create database link to username; 5. open user 6. create database link 1. create database link link1 connect to scott identified by tiger using 'connect_primary''; 7.select * from [email protected]; 8. select * from [email protected]; 9. views 1. select * from user_db_links; 2. select * from all_db_links; 10. conn sys as sysdba 11. grant public database link to username; 12. select * from dba_db_links; 13. conn username/pass 14. create public database link plink connect to scott identified by tiger using 'connect_primary'; 15. drop database link. drop database link link1; To follow this steps you will also create oracle database link. It is very easy to understand.
Views: 9668 Parag Mahalle
Database Tutorial 62 - SQL CTAS method - Oracle DBA tutorial, Oracle Database Tutorial This video explains about CTAS (Create Table As Select) method.
Views: 1694 Sam Dhanasekaran
RebellionRider.com presents a PL/SQL tutorial on how to use PL/SQL Bulk Collect with Fetch-Into statement of an explicit cursor in Oracle Database. Watch and learn how to enhance query performance with Bulk Collect in Oracle Database by Manish Sharma. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/bulk-collect-3 Previous Tutorial ► Introduction to Bulk Collect: https://youtu.be/HPVzFBluM_Q ► Explicit Cursor: https://youtu.be/3q7dW_d2KVc ► Simple Loop: https://youtu.be/AFx6QYcY1CU ► The script on GIT: https://github.com/RebellionRider/pl-sql-tut-74.git ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ------------------------------------------------------------------------- ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ For E-mail address please check the About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 11484 Manish Sharma
This Video will teach you How to Move Object one Table Space to Another | How to Rebuild the Index ? move table from one tablespace to another in oracle 11g oracle move schema to another tablespace oracle how to move objects to another tablespace oracle 11g move schema to another tablespace alter table move tablespace oracle 8i oracle move table script oracle move cluster to new tablespace oracle move table example rebuild index oracle script alter index rebuild online parallel oracle rebuild all indexes oracle index rebuild online vs offline oracle rebuild partitioned index index rebuild oracle best practice index rebuild script in oracle 11g
Views: 1200 Oracle PL/SQL World
Explore SQL with Tom Coffing of Coffing Data Warehousing! In this lesson, learn how create a Queue Table!
Views: 1844 Coffing Data Warehousing
interRel presents Look Smarter Than You Are with Oracle Essbase: What is Parallel Calculation? Ever wonder what a parallel calculation is? Edward Roske, Oracle ACE Director and CEO of interRel gives you the scoop on what it is and how to leverage it to improve calculation performance! To see more of our videos, go to http://epm.bi/videos
Views: 1909 interRel Consulting
This is the second of two demonstrations about In-Memory caching new features, introduced in Oracle Database 188.8.131.52. This one illustrates the Automatic Big Table caching feature enhancing the in-memory parallel query capabilities of the Oracle Database in both single instance and Oracle RAC environments. An optional section of the buffer cache, called the big table cache, is used to store data for serial and parallel table scans. Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
Views: 2404 Oracle Learning Library
Check out the entire series on the Oracle Learning Library at http://www.oracle.com/goto/oll/rwp In this video, listen and watch Andrew Holdsworth, Vice President of Oracle Database Real-World Performance at Oracle Corporation, as he demonstrates how set based parallel processing affects performance. Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
Views: 5052 Oracle Learning Library
The fifth part of a mini-series of videos showing how you can improve the performance of function calls from SQL. In this episode, we compare the performance of conventions table functions with pipelined table functions. For more information see: https://oracle-base.com/articles/misc/pipelined-table-functions https://oracle-base.com/articles/misc/efficient-function-calls-from-sql Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Mike Dietrich : Blog: https://blogs.oracle.com/UPGRADE Twitter: https://twitter.com/MikeDietrichDE Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 12560 ORACLE-BASE.com
Held on August 7 2018 Collections are PL/SQL's version of arrays and there are three types: associative arrays, nested tables, varrays. They are used in many performance features of PL/SQL, such as bulk processing, as well as table functions. Steven Feuerstein uses them all the time and thinks you should, too. He kicked off this Office Hours with some of his favorite collections features/usages, and then he and Chris Saxon answered questions on measuring PGA, executing DML in parallel, and more. 2:30 Steven's favorite collection things 3:20 First a little quiz! 7:56 Banish row-by-row SQL processing 14:06 String-indexed collections 17:19 Nested collections 20:42 Table functions 26:18 Q&A AskTOM Office Hours offers free, monthly training and tips on how to make the most of Oracle Database, from Oracle product managers, developers and evangelists. https://asktom.oracle.com/ Oracle Developers portal: https://developer.oracle.com/ Sign up for an Oracle Cloud trial: https://cloud.oracle.com/en_US/tryit music: bensound.com
Views: 2732 Oracle Developers
Parameter file is just a simple text file which is read and opened by expdp client unlike Dumpfiles and Logfiles which are created and written by the server. SYNTAX ========= [[email protected] ~]$ cat u1.par tables=u1.t1 directory=DATA_PUMP_DIR parallel=4 dumpfile=U1_%U.dmp logfile=expdp_u1.log =============================================== [[email protected] ~]$ expdp parfile=u1.par Export: Release 184.108.40.206.0 - Production on Thu Aug 10 04:02:43 2017 Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved. Username: / as sysdba Please like ,subscribe and ask me any queries if you have any doubt. Email: [email protected] ================================================= Hi Folks, Greetings!! I am professional part time oracle dba trainer and having good experience in oracle database administration. This is the right place to enroll yourself for Oracle DBA real time course. Please use following email ID for more details. Don’t hesitate to WhatsApp me any time. I will give you the best training and will create path to get DBA job easily. Enjoy the free YouTube video and connect with me for deep Oracle DBA knowledge. Mobile No : + 91 9960262955 (WhatsApp Number) EmailID: [email protected]
Views: 451 ANKUSH THAVALI
Streaming table functions are functions executed in the FROM clause of a query as part of a sequence of data transformations, all occurring within a single SQL statement. This video shows how to define a streaming table function and use it in Oracle SQL. Part of the Getting Started with PL/SQL Table Functions class at the Oracle Dev Gym: https://devgym.oracle.com/pls/apex/dg/class/pl-sql-table-functions.html ======================================== Practically Perfect PL/SQL with Steven Feuerstein Copyright © 2018 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Held on July 12 2018 In July's session we mainly looked at performance. Highlights include: 1:30 How does the database process subqueries? 5:20 Performance: comparing insert ... select to create tmp table, insert select from tmp; DDL in PL/SQL; dynamic SQL problems 12:45 18c private temporary tables; tables specific to a session; DDL you can rollback across! 21:00 Improving update performance: things to watch for; insert vs. update; "join-update" - create a view instead; create table as select "update" 34:05 Analytic function performance: first_value non-determinism; min keep vs first_value; computing function in a subquery; indexes for analytic functions AskTOM Office Hours offers free, monthly training and tips on how to make the most of Oracle Database, from Oracle product managers, developers and evangelists. https://asktom.oracle.com/ Oracle Developers portal: https://developer.oracle.com/ Sign up for an Oracle Cloud trial: https://cloud.oracle.com/en_US/tryit music: bensound.com
Views: 747 Oracle Developers
Oracle Database 12c Release 2 New Feature! Learn how to convert a non-partitioned table to a partitioned table - Online! This new method - using ALTER TABLE MODIFY - is much simpler than DBMS_REDEFINITION. In this free tutorial from SkillBuilders and Oracle Certified Master DBA John Watson you'll see a demonstration of converting the table and the impact on the underlying table and indexes. See all our free Oracle Database Tutorials at http://www.skillbuilders.com/free-oracle-tutorials.
Views: 3727 SkillBuilders
https://developer.oracle.com/code/online | Kuassi Mensah: This session presents a Spark data source for joining big data with master data in an RDBMS. It describes how such an implementation: Allows parallel and direct access to the RDBMS database (with the option of controlling the number of concurrent connections). Introspects the RDBMS table, generates partitions of Spark JDBCRDDs based on the split pattern, and rewrites Spark SQL queries into the RDBMS SQL dialect. Uses hooks in the JDBC driver for faster type conversions. Pushes down predicates to the RDBMS, prunes partitions based on the where clause, and projects columns to the RDBMS to reduce the amount of data returned and processed on Spark. Writes back the result set to the RDBMS table for use by traditional BI tools
Views: 927 Oracle Developers
Presenter: Maria Colgan, Oracle Corporation The execution plan for a SQL statement can often seem complicated and hard to understand. Determining if the execution plan you are looking at is the best plan you could get or attempting to improve a poorly performing execution plan can be a daunting task, even for the most experienced DBA or developer. This session examines the different aspects of an execution plan, from selectivity to parallel execution, and explains what information you should be gleaming from the plan and how it affects the execution. It offers insight into what caused the Optimizer to make the decision it did as well as a set of corrective measures that can be used to improve each aspect of the plan.
Views: 6331 ODTUG
Course Description – sql1 COURSE DESCRIPTION: The Oracle server extends the data modeling capabilities to support an object relational database model that brings object-oriented programming, complex data types, complex business objects, and full compatibility with the relational world. It includes several features for improved performance and functionality of online transactionprocessing (OLTP) applications, such as better sharing of run-time data structures, larger buffer caches, and deferrable constraints. Data warehouse applications will benefit from enhancements such as parallel execution of insert, update, and delete operations; partitioning; and parallel-aware query optimization. COURSE OBJECTIVES: in this course List the capabilities of SQL SELECT statements Execute a basic SELECT statement Differentiate between SQL statements and iSQL*Plus commands Limit the rows retrieved by a query Sort the rows retrieved by a query WHO SHOULD ATTEND? COURSE OUTLINE: In this lesson, you should have learned howtheOracleserverusesconstraints to prevent invalid data entry into tables. You also learned how to implement the constraints in DDL statements. Writing Basic SQL SELECT Statements Restricting and Sorting Data Single-Row Functions Displaying Data from Multiple Tables Aggregating Data Using Group Functions Subqueries Producing Readable Output with iSQL*Plus Manipulating Data Creating and Managing Tables Including Constraints
Views: 129 EasyShiksha TV
The video explains BITMAP and BITMAP JOIN INDEX IN ORACLE and when you should create them on a column. BITMAP INDEXES should be dealt with carefully as they can lead to serious performance issues if the table is updated by multiple processes in parallel. Indexing Basics :https://www.youtube.com/watch?v=0X9bbtwTnuE&t=1095s Star and snowflake Schema :https://www.youtube.com/watch?v=Qq4yhhAk9fc&t=17s
Views: 6495 Tech Coach
This is a short video about a feature in SQL Developer which alllow any DBA or developer to compare different execution plans of a SQL Statement. My Blog: https://navneetupnejadba.wordpress.com/ Slideshare: https://www.slideshare.net/navneetupneja1/sql-developer-powerful-free-tool-for-developers-and-dbas
Views: 299 Navneet Upneja
Bulk collect in oracle with limit clause example
Views: 1437 Oracle PL/SQL
https://dbagenesis.com/ A database has at least one instance. An instance is comprised of a memory area called the System Global Area (SGA) and Oracle processes. The memory and processes of an instance efficiently manage the associated database's data and serve the database users. To connect to a database service, clients use a connect descriptor that provides the location of the database and the name of the database service. Become an oracle DBA in just one month: https://dbagenesis.com/
Views: 543 DBA Genesis
Explore SQL with Tom Coffing of Coffing Data Warehousing! In this lesson, learn how to create a SET or MULTISET Table!
Views: 1120 Coffing Data Warehousing
This video shows how to troubleshoot performance issues with skewed data when using parallel processing. Copyright © 2012 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
Views: 2066 Oracle Learning Library
This video shows how to use the Oracle Database Resource Manager to manage a mixed workload with parallel processing. Copyright © 2012 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
Views: 2558 Oracle Learning Library
My channel is mainly helpful for those who are looking to start their career in Oracle DBA | oracle databases administration technology. Channel will provide you in depth understanding for all oracle database concept.You will find the YouTube channel helpful for cracking oracle database administration interview. The explanation is clear and practically represented. Please reach me vie email [email protected] if you are looking for online training. https://www.orcldata.com Email: [email protected] Mob No: +91 9960262955 Please use the following link to get unlimited videos. https://www.skillshare.com/r/profile/Ankush-Thavali/5208062 Below is the coupon code for skillshares. https://www.udemy.com/draft/1412310/?couponCode=DBSHOT Please donate on below link if you think I am helping you with your career. https://www.paypal.me/ankushthavali OR Google Pay : 9960262955 OR Account No : 31347845762 IFSC: SBIN0012311 impdp tables only oracle impdp table_exists_action export and import in oracle 11g with examples expdp parfile expdp parallel impdp remap_schema impdp 12c export dump in oracle 11g command
Views: 94 ANKUSH THAVALI
Prevent Oracle Database performance regression with baselines! Implement changes, new statistics, upgrades, etc, and do not fear performance degradation! See Part 1 https://youtu.be/sj5YAt7gSJ4
Views: 291 SkillBuilders
I and others have been working on bringing parallel query for PostgreSQL for several years now, but PostgreSQL 9.6 is the first release expected to include a user-visible feature. And it's pretty cool. In this talk, I'll give an overview of the development of this feature, where we are now, and what the future might hold. I will discuss the overall architecture of parallelism in PostgreSQL, give examples of queries that can be accelerated by the features expected to be in PostgreSQL 9.6, and talk about what's not done yet. http://www.pgconf.us/2016/event/147/parallel-query-in-postgresql/
Views: 1536 Postgres Conference
Text Article http://csharp-video-tutorials.blogspot.com/2017/02/sql-script-to-insert-into-many-to-many.html Slides http://csharp-video-tutorials.blogspot.com/2017/02/sql-script-to-insert-into-many-to-many_6.html SQL Server Interview Questions and Answers text articles & slides http://csharp-video-tutorials.blogspot.com/2014/05/sql-server-interview-questions-and.html SQL Server Interview Questions and Answers playlist https://www.youtube.com/playlist?list=PL6n9fhu94yhXcztdLO7i6mdyaegC8CJwR All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists In this video we will discuss how to insert data into a table that has many-to-many relationship Create table Students ( Id int primary key identity, StudentName nvarchar(50) ) Go Create table Courses ( Id int primary key identity, CourseName nvarchar(50) ) Go Create table StudentCourses ( StudentId int not null foreign key references Students(Id), CourseId int not null foreign key references Courses(Id) ) Go Students - Id column is identity column Courses - Id column is identity column StudentCourses - StudentId and CourseId columns are foreign keys referencing Id column in Students and Courses tables As you can see, StudentCourses is a bridge table that has many to many relationship with Students and Courses tables. This means a given student can be enrolled into many courses and a given course can have many students enrolled. Below is the question asked in an interview for SQL Server Developer role. Write a SQL script to insert data into StudentCourses table. Here are the rules that your script should follow. 1. There will be 2 inputs for the script Student Name - The name of the student who wants to enroll into a course Course Name - The name of the course the student wants to enroll into 2. If the student is already in the Students table, then use that existing Student Id. If the student is not already in the Students table, then a row for that student must be inserted into the Students table, and use that new student id. 3. Along the same lines, if the course is already in the Courses table, then use that existing Course Id. If the course is not already in the Courses table, then a row for that course must be inserted into the Courses table, and use that new course id. 4. There should be no duplicate student course enrollments, i.e a given student must not be enrolled in the same course twice. For example, Tom must not be enrolled in C# course twice. Answer : To avoid duplicate student course enrollments create a composite primary key on StudentId and CourseId columns in StudentCourses table. With this composite primary key in place, if someone tries to enroll the same student in the same course again we get violation of primary key constraint error. Alter table StudentCourses Add Constraint PK_StudentCourses Primary Key Clustered (CourseId, StudentId) Here is the SQL script that inserts data into the 3 tables as expected Declare @StudentName nvarchar(50) = 'Sam' Declare @CourseName nvarchar(50) = 'SQL Server' Declare @StudentId int Declare @CourseId int -- If the student already exists, use the existing student ID Select @StudentId = Id from Students where StudentName = @StudentName -- If the course already exists, use the existing course ID Select @CourseId = Id from Courses where CourseName = @CourseName -- If the student does not exist in the Students table If (@StudentId is null) Begin -- Insert the student Insert into Students values(@StudentName) -- Get the Id of the student Select @StudentId = SCOPE_IDENTITY() End -- If the course does not exist in the Courses table If (@CourseId is null) Begin -- Insert the course Insert into Courses values(@CourseName) -- Get the Id of the course Select @CourseId = SCOPE_IDENTITY() End -- Insert StudentId & CourseId in StudentCourses table Insert into StudentCourses values(@StudentId, @CourseId) If required, we can very easily convert this into a stored procedure as shown below. Create procedure spInsertIntoStudentCourses @StudentName nvarchar(50), @CourseName nvarchar(50) as Begin Declare @StudentId int Declare @CourseId int Select @StudentId = Id from Students where StudentName = @StudentName Select @CourseId = Id from Courses where CourseName = @CourseName If (@StudentId is null) Begin Insert into Students values(@StudentName) Select @StudentId = SCOPE_IDENTITY() End If (@CourseId is null) Begin Insert into Courses values(@CourseName) Select @CourseId = SCOPE_IDENTITY() End Insert into StudentCourses values(@StudentId, @CourseId) End Use the following statement to execute the stored procedure Execute spInsertIntoStudentCourses 'Tom','C#'
Views: 97329 kudvenkat
There's a lot of settings you can modify when you create a table. But which ones do you need to worry about? blog: https://connor-mcdonald.com twitter: https://twitter.com/connor_mc_d Subscribe for new tech videos every week All other social media channels here: https://linktr.ee/connor My current favorite Oracle stuff: - Favorite 12.2 feature: Almost all structural maintenance can be done online. No more outages. https://docs.oracle.com/en/database/oracle/oracle-database/12.2/newft/new-features.html#GUID-BEEEA34D-3D81-4360-887C-A92BC711816D - Favorite 18c feature: Killing a runaway SQL without killing the entire session. https://docs.oracle.com/en/database/oracle/oracle-database/18/newft/new-features.html#GUID-49F77A8D-CF54-415C-B04F-DB4CE733C513 - Favorite 19c feature: Handling JSON just got a lot easier! https://docs.oracle.com/en/database/oracle/oracle-database/19/newft/new-features.html#GUID-9587F5B4-871B-401A-8978-BDA491F07F8A Music: Night Owl (Broke For Free) #oracle #initrans #maxtrans
Views: 256 Connor McDonald
Oracle DB is big, and expensive, but it brings a lot to the "table" when compared with MySQL. MySQL has limited ability to audit. MySQL's security is unsophisticated. There are no groups or roles, no ability to deny a privilege (you can only grant privileges). A user who logs in with the same username and password from different network addresses may be treated as a completely separate user. There is no built-in encryption comparable to Oracle. MySQL's Authentication is built-in. There is no LDAP, Active Directory, or other external authentication capability. MySQL has no MPP (massively parallel processing ) support. Unlike Oracle MySQL has no fractional-second storage type for times, dates, or intervals. There is no RAC (Real Application Cluster) support in My SQL, and no failover or server promotion either. These are strong features in Oracle MySQL's number of joins per query is limited to 61. Oracle's limit is much larger. MySQL Replication is asynchronous and has many limitations and edge cases. For example, it is single-threaded, so a powerful slave can find it hard to replicate fast enough to keep up with a less powerful master.
Views: 21638 Biz of Tech
Microsoft SQL Server Migration Assistant (SSMA) for Oracle is a tool for migrating Oracle databases to Microsoft SQL Server 2005, Microsoft SQL Server 2008, Microsoft SQL Server 2012. SSMA for Oracle converts Oracle database objects to SQL Server database objects, creates those objects in SQL Server, and then migrates data from Oracle to SQL Server. 1-Installing SSMA for Oracle Client 2-Connect to an Oracle database. 3-Connect to an instance of SQL Server. 4-Convert Oracle database objects to SQL Server syntax. 5-Load the objects into SQL Server. 6-Migrate data to SQL Server. for more information see Guide to Migrating from Oracle to SQL Server 2012
Views: 58216 EL-MAHJOUB Eddoua
Part V Oracle 11g Database SQL Programming with PL/SQL in 2016 Primary Keys, Alter Table Definition For Notepad text files used in the video go to this link: http://www.ijav.com/oracle/
Views: 41 Jim Vincitore
You can create subpartitions in a composite partitioned table using a subpartition template. A subpartition template simplifies the specification of subpartitions by not requiring that a subpartition descriptor be specified for every partition in the table. Instead, you describe subpartitions only once in a template, then apply that subpartition template to every partition in the table. For interval-* composite partitioned tables, the subpartition template is the only way to define subpartitions for interval partitions. The subpartition template is used whenever a subpartition descriptor is not specified for a partition. If a subpartition descriptor is specified, then it is used instead of the subpartition template for that partition. If no subpartition template is specified, and no subpartition descriptor is supplied for a partition, then a single default subpartition is created. Specifying a Subpartition Template for a *-Hash Partitioned Table In the case of [range | interval | list]-hash partitioned tables, the subpartition template can describe the subpartitions in detail, or it can specify just the number of hash subpartitions. The following example creates a range-hash partitioned table using a subpartition template: CREATE TABLE emp_sub_template (deptno NUMBER, empname VARCHAR(32), grade NUMBER) PARTITION BY RANGE(deptno) SUBPARTITION BY HASH(empname) SUBPARTITION TEMPLATE (SUBPARTITION a TABLESPACE ts1, SUBPARTITION b TABLESPACE ts2, SUBPARTITION c TABLESPACE ts3, SUBPARTITION d TABLESPACE ts4 ) (PARTITION p1 VALUES LESS THAN (1000), PARTITION p2 VALUES LESS THAN (2000), PARTITION p3 VALUES LESS THAN (MAXVALUE) ); This example produces the following table description: Every partition has four subpartitions as described in the subpartition template. Each subpartition has a tablespace specified. It is required that if a tablespace is specified for one subpartition in a subpartition template, then one must be specified for all. The names of the subpartitions, unless you use interval-* subpartitioning, are generated by concatenating the partition name with the subpartition name in the form:
Views: 597 Md Arshad
Oracle SQL Developer Sybase Migration OBE Oracle By Example
Views: 7909 oraclesqldev
Merge Statement in PLSQL not only optimize you code, it also make you code looks good and readable, save you from using a long and redundant code like using cursor loop, plsql collection object, all done with a few line of statement.
Views: 1164 Subhroneel Ganguly
This Sqoop Tutorial will help you understand how can you import data from RDBMS to HDFS. It will explain the concept of importing data along with a demo. Apache Sqoop is a tool designed for efficiently transferring bulk data between Apache Hadoop and external data stores such as relational databases, enterprise data warehouses. Sqoop is used to import data from external datastores into Hadoop Distributed File System or related Hadoop eco-systems like Hive and HBase. Similarly, Sqoop can also be used to extract data from Hadoop or its eco-systems and export it to external datastores such as relational databases, enterprise data warehouses. Sqoop works with relational databases such as Teradata, Netezza, Oracle, MySQL, Postgres etc Subscribe to Simplilearn channel for more Big Data and Hadoop Tutorials - https://www.youtube.com/user/Simplilearn?sub_confirmation=1 Check our Big Data Training Video Playlist: https://www.youtube.com/playlist?list=PLEiEAq2VkUUJqp1k-g5W1mo37urJQOdCZ Big Data and Analytics Articles - https://www.simplilearn.com/resources/big-data-and-analytics?utm_campaign=hadoop-sqoop-_Mh1yBJ8l88&utm_medium=Tutorials&utm_source=youtube To gain in-depth knowledge of Big Data and Hadoop, check our Big Data Hadoop and Spark Developer Certification Training Course: http://www.simplilearn.com/big-data-and-analytics/big-data-and-hadoop-training?utm_campaign=hadoop-sqoop-_Mh1yBJ8l88&utm_medium=Tutorials&utm_source=youtube #bigdata #bigdatatutorialforbeginners #bigdataanalytics #bigdatahadooptutorialforbeginners #bigdatacertification #HadoopTutorial - - - - - - - - - About Simplilearn's Big Data and Hadoop Certification Training Course: The Big Data Hadoop and Spark developer course have been designed to impart an in-depth knowledge of Big Data processing using Hadoop and Spark. The course is packed with real-life projects and case studies to be executed in the CloudLab. Mastering real-time data processing using Spark: You will learn to do functional programming in Spark, implement Spark applications, understand parallel processing in Spark, and use Spark RDD optimization techniques. You will also learn the various interactive algorithm in Spark and use Spark SQL for creating, transforming, and querying data form. As a part of the course, you will be required to execute real-life industry-based projects using CloudLab. The projects included are in the domains of Banking, Telecommunication, Social media, Insurance, and E-commerce. This Big Data course also prepares you for the Cloudera CCA175 certification. - - - - - - - - What are the course objectives of this Big Data and Hadoop Certification Training Course? This course will enable you to: 1. Understand the different components of Hadoop ecosystem such as Hadoop 2.7, Yarn, MapReduce, Pig, Hive, Impala, HBase, Sqoop, Flume, and Apache Spark 2. Understand Hadoop Distributed File System (HDFS) and YARN as well as their architecture, and learn how to work with them for storage and resource management 3. Understand MapReduce and its characteristics, and assimilate some advanced MapReduce concepts 4. Get an overview of Sqoop and Flume and describe how to ingest data using them 5. Create database and tables in Hive and Impala, understand HBase, and use Hive and Impala for partitioning 6. Understand different types of file formats, Avro Schema, using Arvo with Hive, and Sqoop and Schema evolution 7. Understand Flume, Flume architecture, sources, flume sinks, channels, and flume configurations 8. Understand HBase, its architecture, data storage, and working with HBase. You will also understand the difference between HBase and RDBMS 9. Gain a working knowledge of Pig and its components 10. Do functional programming in Spark 11. Understand resilient distribution datasets (RDD) in detail 12. Implement and build Spark applications 13. Gain an in-depth understanding of parallel processing in Spark and Spark RDD optimization techniques 14. Understand the common use-cases of Spark and the various interactive algorithms 15. Learn Spark SQL, creating, transforming, and querying Data frames - - - - - - - - - - - Who should take up this Big Data and Hadoop Certification Training Course? Big Data career opportunities are on the rise, and Hadoop is quickly becoming a must-know technology for the following professionals: 1. Software Developers and Architects 2. Analytics Professionals 3. Senior IT professionals 4. Testing and Mainframe professionals 5. Data Management Professionals 6. Business Intelligence Professionals 7. Project Managers 8. Aspiring Data Scientists - - - - - - - - For more updates on courses and tips follow us on: - Facebook : https://www.facebook.com/Simplilearn - Twitter: https://twitter.com/simplilearn - LinkedIn: https://www.linkedin.com/company/simplilearn - Website: https://www.simplilearn.com Get the android app: http://bit.ly/1WlVo4u Get the iOS app: http://apple.co/1HIO5J0
Views: 23475 Simplilearn
Oracle Data Export and Import using DataPump expdp and impdp
Views: 188160 Abbasi Asif
This video demonstrates, 1) What is partition and partition point. 2) How are they used together to sever the purpose of parallel processing of data, ensuring the data integrity. 3) How it helps in obtaining better performance.
Views: 26580 Informatica Support
Views: 7071 nikku bites
Sequences are used to serialized fields, although in Oracle 12G the IDENTITY feature can be used (similar to other database systems). Indexes help us organize physical data in a way to increase efficiency; 3 types of indexes are explained in this video (Bitmap, B-Tree and Table). Finally, this video discusses synonyms, which allow the aliasing of object names in Oracle.
Views: 76 Brian Green