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Which statement will prevent concurrent application processes from performing anything other than read-only op

Which statement will prevent concurrent application processes from performing anything other
than read-only operations against a table named TAB1?

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A.
LOCK TABLE tab1 IN READ MODE

B.
LOCK TABLE tab1 IN SHARE MODE

C.
LOCK TABLE tab1 IN EXCLUSIVE MODE

D.
LOCK TABLE tab1 IN READ-ONLY MODE

Explanation:


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