你可能感興趣的試題

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.

單項選擇題

Evaluate this SQL statement:

In the statement, which capabilities of a SELECT statement are performed?（）

A. Selection, projection, join
B. Difference, projection, join
C. Selection, intersection, join
D. Intersection, projection, join
E. Difference, projection, product

Which two are character manipulation functions?（）

你可能感興趣的試題

Which three are true?（）

Evaluate this SQL statement: In the statement, which capabilities of a SELECT statement are performed?（）

Evaluate this SQL statement:

In the statement, which capabilities of a SELECT statement are performed?（）