Examine the data in the EMP table:You execute this query:Why does an error occur?
Which two actions can you perform with object privileges? (Choose two.)
No user-defined locks are used in your database.Which three are true about Transaction Control Language (TCL)? (Choose three.)
Examine the description of the EMPLOYEES table:Which two queries return rows for employees whose manager works in a different department? (Choose two.)A.B.C.D.E.
Which three are true about dropping columns from a table? (Choose three.)
Examine the description of the PROMOTIONS table:You want to display the unique promotion costs in each promotion category.Which two queries can be used? (Choose two.)