1.

If a node is locked in ______________ the subtree rooted by that node is locked explicitly in shared mode, and that explicit locking is being done at a lower level with exclusive-mode locks.

A. Intention lock modes
B. shared and intention-exclusive (SIX) mode
C. Intention-exclusive (IX) mode
D. Intention-shared (IS) mode
Answer» C. Intention-exclusive (IX) mode


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