5
SELECT USER_NAME, USER_LOCK_NAME FROM DATA_DICTIONARY.USER_LOCKS ORDER BY USER_LOCK_NAME, USER_NAME;
5
SELECT USER_NAME, USER_LOCK_NAME FROM DATA_DICTIONARY.USER_DEFINED_LOCKS ORDER BY USER_LOCK_NAME, USER_NAME;
6
6
EXECUTE "SELECT GET_LOCK('mine', 20); SELECT 1;" CONCURRENT;
8
8
SELECT wait_for_lock("mine");