A.EXPLAIN shows the database's optimization operations during query execution

B.EXPLAIN considers cache

C.EXPLAIN can show the effect of triggers, stored procedures, and user-defined functions on a query

D.The statistics produced by EXPLAIN are estimates, not exact values

A.12

B.10

C.8

D.13

A.NoSQL support

B.Ultra-high performance

C.High reliability

D.High scalability

A.Full backup

B.Manual backup

C.Incremental backup

D.Automatic backup

A.System Administrator

B.DBA

C.Business Owner role

D.Regular User