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Exam 70-764 topic 1 question 230 discussion

Actual exam question from Microsoft's 70-764
Question #: 230
Topic #: 1
[All 70-764 Questions]

You need to ensure that a stored procedure fails if an INSERT statement within the stored procedure fails.
What action should you take?

  • A. THROW 51000, 'Abort!'
  • B. SET XACT_ABORT OFF
  • C. SET XACT_ABORT ON
  • D. TRY....CATCH
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Suggested Answer: C 🗳️
by TheSwedishGuy at Jan. 31, 2020, 12:44 p.m.

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TheSwedishGuy
5 years, 5 months ago
SET XACT_ABORT ON instructs SQL Server to rollback the entire transaction and abort the batch when a run-time error occurs. It covers you in cases like a command timeout occurring on the client application rather than within SQL Server itself (which isn't covered by the default XACT_ABORT OFF setting.) Since a query timeout will leave the transaction open, SET XACT_ABORT ON is recommended in all stored procedures with explicit transactions (unless you have a specific reason to do otherwise) as the consequences of an application performing work on a connection with an open transaction are disastrous.
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