Objective: Identify top wait events and SQL statements.
While detailed backup strategies are often a separate course, the 19c Administration Workshop guide introduces: Objective: Identify top wait events and SQL statements
CREATE DATABASE mycdb
ENABLE PLUGGABLE DATABASE
SEED FILE_NAME_CONVERT = ('/u01/oracle/dbs/', '/u01/oracle/pdbseed/');
📝 Key Command: lsnrctl status – Always verify listener is up before connecting. 📝 Key Command: lsnrctl status – Always verify
This section explains the purpose of Undo data (read consistency, transaction recovery) and how to configure and manage the Undo Tablespace. It also discusses Undo Retention and how to handle the "Snapshot too old" error. This section explains the purpose of Undo data
The Student Guide is an overview. For deep dives, keep these tabs open: