Introduction: – As Oracle user, we are learning Oracle export/import from 9i still changes are going on. 12c has introduced LOGTIME=ALL Parameter In Datapump. We are going to know about LOGTIME=ALL Parameter In Datapump in 12c. Data Pump Export is a utility for unloading data and metadata into a set of operating system files called a dump file […]
Category: ORACLE 12C
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 […]
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 […]
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 […]
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 SQL> CREATE TABLE DBATEST ( EMPNO number, NAME varchar2(10) , empid number); Table created. SQL> alter table dbatest add constraint emp_pk primary key ( empid); […]
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: SQL> select * from test2 fetch first 5 rows only; OWNER OBJECT_NAME STATUS ——– ——————— ——- SYS I_CCOL1 VALID SYS I_PROXY_ROLE_DATA$_1 VALID SYS C_OBJ# VALID SYS […]
Oracle12c Multitenant Architecture