Remove EM for Oracle 18c

To upgrade from Oracle 11gR2 to Oracle 18c, we need to Enterprise Manager. Copy the $ORACLE_HOME/rdbms/admin/emremove.sql script from the target 18.0.0.0.0 ORACLE_HOME into the source 11.2.0.4.0 ORACLE_HOME. Step 1: If database control is configured, stop EM Database Control, using the following command

Step 2: Connect to the database using the SYS account AS SYSDBA […]

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