The conditions that invalidate a plan include which of the following?(a) An explicit call to sp_compile(b) Executing a stored procedure using the WITH COMPILE option(c) Changes made to a table or view referenced by the query(d) All of the mentionedThis question was posed to me during a job interview.The doubt is from Query Plan Reuse topic in chapter Performance Tuning and Optimization of SQL Server

The conditions that invalidate a plan include which of the following?(

1.	The conditions that invalidate a plan include which of the following?(a) An explicit call to sp_compile(b) Executing a stored procedure using the WITH COMPILE option(c) Changes made to a table or view referenced by the query(d) All of the mentionedThis question was posed to me during a job interview.The doubt is from Query Plan Reuse topic in chapter Performance Tuning and Optimization of SQL Server
Answer» CORRECT ANSWER is (C) CHANGES made to a table or view REFERENCED by the query The explanation is: ALTER TABLE and ALTER VIEW are used to made changes to the table.

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