Consider concurrent execution of two transactions 𝑇1 and 𝑇2 in a DBMS, both…
GATE · 2026 · CS · Set 2
Consider concurrent execution of two transactions 𝑇1 and 𝑇2 in a DBMS, both of which access a data object 𝐴. For these two transactions to not conflict on 𝐴, which one of the following statements must be true?
- A.
Both 𝑇1 and 𝑇2 only read 𝐴
- B.
𝑇1 reads 𝐴 and 𝑇2 writes 𝐴
- C.
𝑇1 writes 𝐴 and 𝑇2 reads 𝐴
- D.
Both 𝑇1 and 𝑇2 write 𝐴
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