Common User Vs Local User In 12c Multitenant

Introduction: –Database users are the one who really uses and takes the benefits of the database. There will be different types of users depending on their need and way of accessing the database. Application Programmers – They are the developers who concur with the database by means of DML queries. These DML queries are written in […]

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How To Setup Listener For PDBS In Multitenant Database.

Introduction: – We all know that The Oracle Listener is a process listening for incoming database connections. This process is only needed on the database server side. The listener is controlled via the lsnrctl utility. Configuration is done via the listener.ora file.In this article, we are going to setup listener for PDBS in Multitenant Database. If you wish to setup […]

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IN-MEMORY In Oracle 12c

Introduction :- Oracle 12c has lots of characteristics  In-Memory is one of the most important features.  It enables tables, partitions, materialized views be stored in memory using column format, which delivers fast SQL processing for the Analytical purpose. Oracle Database In-Memory proffers an idiosyncratic dual-format architecture that legalizes tables to be concurrently represented in memory using standard row […]

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Truncate table with cascade feature1 in oracle 12c

In oracle 12c TRUNCATE TABLE CASCADE will truncate its child tables, if ON DELETE CASCADE relationship is present on child table. Create one parent and child table with some data

You can check the child table details using : Get child table details

Truncate the parent table with cascade option:

We can […]

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Row limiting clause in oracle 12c

Row limiting clause clause allows sql queries to limit the number of rows returned and to specify a starting row for the return set. 1. Fetch first N rows:

2. Fetch 5 rows after offset of 4 rows

3. Fetch percentage of rows from a query:

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