Purpose: To explore troubleshooting practices within a DBMS using utilities and SQL commands to monitor and investigate database performance issues.
Details: The best developed databases can experience performance issues in a production environment. Something as easily overlooked as an inefficiently written query can overtax server resources. The volume of user requests at peak usage times can easily incur resource locking conflicts on the same resource. It is also common for an authorized user to leave their computer in the middle of a process that has engaged resource locks preventing others from its access. Situations like these are very common. It is up to the administrator to determine what is happening and how to remediate it.
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