- DBMS_STATS: Gather, view, and modify optimizer statistics
- DBMS_OUTPUT: Generate output from PL/SQL
- DBMS_SESSION: PL/SQL access to the ALTER SESSION and SET ROLE statements
- DBMS_RANDOM: Generate random numbers
- DBMS_UTILITY: Get time, CPU time, and version information; compute a hash value, and perform many other miscellaneous functionalities
- DBMS_SCHEDULER: Schedule functions and procedures that are callable from PL/SQL
- DBMS_CRYPTO: Encrypt and decrypt database data
- UTL_FILE: Read and write to operating system files from PL/SQL
April 1, 2008. Packages. .
