Dataguard Switchover Using DGMGRL A switchover is a role reversal between the primary database and one of its standby databases. A switchover guarantees no data loss. This is typically done…
Read MoreEXTERNAL TABLES External tables are the tables which access the data present in external source This table has the data that is stored in outside database We can query this…
Read MoreDataguard Broker Configuration Description : Dataguard broker is used to automate monitoring and controlling standby setups. It is very much useful, when the organization has multiple standby sites. Broker keeps…
Read MoreDBA Auditing: It is used to audit all the operations performed by the user on schema objects, gor this we need to enable auditing for a database, to enable it…
Read MoreFlashback Drop: Recovering the table for the recycle bin, once a table is dropped it will be stored in recycle bin.Hence recovering the table from recycle bin. To perform flashback…
Read MoreCREATING A 12C DATABASE IN CLOUD INSTANCE: Create a instance in oracle cloud account Download the oracle 12c software using wget Edit the response file with ORACLE_HOME, ORACLE_BASE and groups…
Read MoreOracle 19c Database Upgrade DETAILS SOURCE TARGET OS_VERSION OEL 6.4 OEL 6.4 DB_VERSION 12.2.0.1 19.3.0.0 DB_NAME PROD PROD ORACLE_HOME /u01/app/oracle/product/12.2.0.1/db_1 /u01/app/oracle/product/19.0.0/dbhome_1 INSTALL THE 19C BINARIES CREATE THE REQIRED DIRECTORIES &…
Read MoreInstallation and Configuration of Oracle Application Express with Oracle REST Data Services and Apache Tomcat Installed Softwares (requirement may vary) Oracle Application Express 5.1.4 Apache Tomcat 7.0.96 Oracle Rest Data Service ORDS…
Read MoreOEM installation on oracle 11g database 1)emctl start dbconsole [oracle@sakthi admin]$ emctl start dbconsole The following exception occurred: java.net.UnknownHostException: ol6-112.localdomain: ol6-112.localdomain at java.net.InetAddress.getAllByName0(InetAddress.java:1174) at java.net.InetAddress.getAllByName(InetAddress.java:1101) at java.net.InetAddress.getAllByName(InetAddress.java:1037) at java.net.InetAddress.getByName(InetAddress.java:987)…
Read MoreSTEPS TO CREATE SNAPSHOT STANDBY DATABASE PRIMARY: SQL> select name, open_mode, database_role from v$database; NAME OPEN_MODE DATABASE_ROLE ——— ——————– —————- GPROD READ WRITE PRIMARY SQL> STANDBY SQL> select…
Read More