Question: QUESTION 7 A SQL command that display the column names and data types for any table. O A. DESCRIBE O B. DISPLAY O C SPOOL

QUESTION 7 A SQL command that display the column names and data types for any table. O A. DESCRIBE O B. DISPLAY O

QUESTION 7 A SQL command that display the column names and data types for any table. O A. DESCRIBE O B. DISPLAY O C SPOOL D.SELECT QUESTION 8 This aggregate function counts all non-NULL values in a specified column. OA ADD (Column_Name) BCOUNT (Column_Name) C COUNT D.SUM coUNT (Column_Name)

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