Column: SQL Server secrets

[Database] blocking and deadlock 5 analysis summary of the above analysis, if the database application developer or administrator wants to affect the SQL Server lock application and release behavior, to alleviate the blocking or deadlock problem, consider the following factors: 1. select the transaction isolation level. The higher the transaction isolation level, the higher the isolation level and the lower the concurrency level. If you select a relatively high

[Database] blocking and deadlock 5 analysis summary of the above analysis, if the database application developer or administrator wants to affect the SQL Server lock application and release behavior, to alleviate the blocking or deadlock problem, consider the following factors: 1. select the transaction isolation level. The higher the transaction isolation level, the higher the isolation level and the lower the concurrency level. If you select a relatively high

[Database] blocking and deadlock 5 Analysis

To sum up the above analysis, if the database application developer or administrator wants to affect the SQL Server lock application and release behavior to alleviate blocking or deadlock problems, the following factors should be taken into account: 1. select the transaction isolation level. The higher the transaction isolation level, the higher the isolation level and the lower the concurrency level. If you select a relatively high isolation level, SQLServer will inevitably apply for more locks, and the holding time will also increase. So when designing an application, you must talk to the user and try to select the default isolation level (READCOMMITTED )....

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