你可能感興趣的試題

單項選擇題

To which of the following resources can a lock be applied?（）

A.Row
B.Alias
C.Bitmap
D.Column

單項選擇題

Application A holds an Update lock on a single row and application B is trying to read that row. If both applications are using isolation level UR, which of the following will occur?（）

A.Application B will read the row.
B.Applications A and B will cause a deadlock situation.
C.Application B will wait until application A releases the Update lock.
D.Application A will be terminated so that application B can read the row.

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Which object may be used during query optimization to improve the performance for a subset of SELECT queries?（）

你可能感興趣的試題

To which of the following resources can a lock be applied?（）

Application A holds an Update lock on a single row and application B is trying to read that row. If both applications are using isolation level UR, which of the following will occur?（）

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