Multiple Choice
_____ databases rely upon concurrency control by locking database records to ensure that other transactions do not modify the database until the first transaction succeeds or fails,and as a result,can suffer from slow performance.
A) Query by Example (QBE)
B) Access
C) Structured Query Language (SQL)
D) Data manipulation language (DML)
Correct Answer:
Verified
Correct Answer:
Verified
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