Posted inAPEX

How to Install APEX in Oracle 19 C

How to install APEX in Oracle 19 C Download APEX from Oracle products.Download APEX 19.2  Oracle 19 C is multi tenant architecture database. We can create multiple Pluggable databases (PDBs…
March 26, 2020
Posted inORACLE

Working With SYS_CONTEXT

How to create Oracle SYS_CONTEXT ?  Oracle SYS_CONTEXT holds the value of the parameter associated with context namespace. PrerequisiteDatabase user needs grant to create context. GRANT CREATE ANY CONTEXT TO…
March 11, 2020
Posted inORACLE PLSQL

CLOB to BLOB using PLSQL

Create function to convert the CLOB to BLOB Copy CodeCopiedUse a different BrowserCREATE OR REPLACE FUNCTION clob_to_blob (i_clob_text IN CLOB) RETURN BLOB IS /* Version 1 29-mar-2020 */ l_blob_file BLOB;…
February 29, 2020
Posted inDBA ORACLE

Create user in Oracle 12 C

Create user 12C: connect system/manager as sysdba alter session set "_ORACLE_SCRIPT"=true; / create user lime identified by limeoracle; / grant dba to lime; / connect lime/limeoracle / create table test(lime…
February 24, 2020
Refresh a materialized view
Posted inORACLE

Refresh a materialized view

To refresh a Materialized view we need DBMS_SNAPSHOT.REFRESH procedure. Steps. CREATE TABLE demo_m ( id NUMBER (10) primary key, name VARCHAR2 (400) ); / INSERT INTO DEMO_M ( ID, NAME)…
July 25, 2017