Computer Science · Database Management Systems
If a transaction Ta holds a lock on some data item d in shared and intention-exclusive (SIX) mode, then which of the following is true for another concurrent transaction Tb wishing to lock d?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Tb can lock d in shared (S) mode
- 2Tb can lock d in exclusive (X) mode
- 3Tb can lock d in intention-exclusive (IX) mode
- 4Tb can lock d in intention-shared (IS) mode✓
Correct answer
Tb can lock d in intention-shared (IS) mode
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