Database Blog

Step to uninstall Database components(Oracle Application Express,Oracle Workspace Manager,Enterprise Manager):-

To view the database components:- col COMP_ID for a15 col COMP_NAME for a45 col STATUS for a20 set lines 100 pages 100 select COMP_ID,COMP_NAME,STATUS from dba_registry; 1) Remove Oracle Application…

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Changing SYSMAN password on oms database

step 1:- connect oem database as sysdba and change the password:- sqlplus “/as sysdba” alter user sysman identified by “oem13c_monitor”; step 2:- Stop all OMS processes:- cd /u01/app/oracle/middleware/bin/ ./emctl stop…

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Oracle’s Autonomous Database: A Gift to the ‘Post-Digital’ World

The most renowned enterprise database in the world, Oracle Database has made an eminent advancement in its history by introducing autonomous database. At the initial stages of its announcement before…

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Script to check CPU usage and wait events class information of every minute for last 2 hours

set lines 288 col sample_time for a14 col CONFIGURATION head “CONFIG” for 99.99 col ADMINISTRATIVE head “ADMIN” for 99.99 col OTHER for 99.99 SELECT TO_CHAR(SAMPLE_TIME, ‘HH24:MI ‘) AS SAMPLE_TIME, ROUND(OTHER…

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Oracle Cloud Applications Now Live in Gen 2 Cloud Region in Mumbai

Oracle announces that it’s Gen 2 Cloud Region is now live in Mumbai. As a result of this deployment in India, the existing, as well as new customers, can now…

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AWS Lambda

Description:                        AWS Lambda is a serverless compute service that runs your code in response to events and automatically manages the underlying compute resources for you. You can use AWS Lambda to extend…

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Oracle Multitenant in Database 12c Enterprise Edition

Description: Oracle Multitenant – an Oracle Database 12c Enterprise Edition option – introduces a new architecture that enables customers to easily consolidate multiple databases into a standardized database version that…

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Generate DDL source code using Oracle SQL

Introduction Customer asks us to generate all the DDL source code for some database objects. So I just found the little piece of code to create DDL source.   Database…

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Oracle Always Free cloud services

Databases Our choice of Autonomous Transaction Processing or Autonomous Data Warehouse. 2 databases total, each with 1 OCPU and 20 GB storage. Note:-We need choose Always free while database configuration…

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RMAN is hung or it is very slow / Clearing RMAN repository / Troubleshoot RMAN-06214 error

This Post describes about RMAN is hung or it is very slow / Clearing RMAN repository / Troubleshoot RMAN-06214 error   RMAN> DELETE FORCE NOPROMPT OBSOLETE DEVICE TYPE DISK; If…

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