Does GuassDB 200 upgrade support online upgrade?
True
False
Which of the following types of logs records the final status of a transaction?
System Log
Performance Log
pg_xlog
pg_clog
BTREE index is often used to handle the case where the index is a combined value
TRUE
FALSE
Are the following control operators?
HashJoin
Append
Agg
RecursiveUnoin
Can the sequence number be decremented when creating a sequence