Which three are true? （）<br>A:A MERGE statement is used to merge the data of one table with data from another.<br>B:A MERGE statement replaces the data of one table with that of another.<br>C:A MERGE statement can be used to insert new rows into a table.<br>D:A MERGE statement can be used to update existing rows in a table.

Which three are true? （）
A:A MERGE statement is used to merge the data of one table with data from another.
B:A MERGE statement replaces the data of one table with that of another.
C:A MERGE statement can be used to insert new rows into a table.
D:A MERGE statement can be used to update existing rows in a table.

出自：Oracle认证

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