Yesterday, someone asked in whatsapp group about how to take expdp backup of a table with specific columns or Export A Table excluding few Columns. Hence today I am going to cover how to export ( expdp) a table with specific columns only That is you will be excluding the columns of table which you…
Category: ORACLE 19c
ORA-12547: TNS:lost contact in Oracle 19c
Today, we faced an issue with one of recently upgraded database where sqlplus “/ as sysdba” on node 1 was working and sqlplus “/ as sysdba” was not working on node 2. It was giving following error – Problem Statement – ORA-12547: TNS:lost contact On Node 2, sqlplus “/ as sysdba” has problem and end…