Question
Explain the purpose of heartbeat queries.
Answer
The Heartbeat query is a query that is used to test the performance of the database, and to predict the response time of the database, the database administrator posts a query. This query is also called canary queries. Heartbeat queries can take a different amount of time to process in the database. This depends on the workload.
Purpose:
Heartbeat queries are straightforward queries that can run various times throughout the day or night to privilege the RDBMS's performance by the DBA (Database Administrator).If the query takes a long time to run, there might be a source problem, say an unsuitable combination of jobs or inefficient queries.
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