sp_purge_jobhistory

Removes the history records for a job. Example Purge job history records older than 30 days. Sources: https://docs.microsoft.com/en-us/sql/relational-databases/system-stored-procedures/sp-purge-jobhistory-transact-sql?view=sql-server-2017

PowerShell

PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language. Can be run as Jobs in SQL Server. Example Run Script From SQL Job Type: Operating system (CmdExec) Remove all files greater than a certain date. Type: PowerShell PowerShell Commands Here are 25 basic PowerShell... » read more

DBCC CheckDB

DBCC CHECKDB is used to check the physical integrity of the entire database. DBCC CHECKDB is used to detect corruption in the database, and should be run regularly.  This is accomplished by running several of the other DBCC commands, then doing some extra verification. Runs DBCC CHECKALLOC. Runs for every table DBCC CHECKTABLE. Runs DBCC... » read more

sp_cycle_errorlog

Every time SQL Server is started, the current error log is renamed to errorlog.1; errorlog.1 becomes errorlog.2, errorlog.2 becomes errorlog.3, and so on. sp_cycle_errorlog enables you to cycle the error log files without stopping and starting the server. Return Code Values 0 (success) or 1 (failure) Source: https://docs.microsoft.com/en-us/sql/relational-databases/system-stored-procedures/sp-cycle-errorlog-transact-sql?view=sql-server-2017

TSQL: Replicas Database

Query to return info about replicas. Query to return a list of Primary Replicas databases. Query to return a list of Non-Primary Replicas databases.

TSQL Error Handling

Example 1 Example 2 Sources: https://docs.microsoft.com/en-us/sql/t-sql/language-elements/raiserror-transact-sql?view=sql-server-ver15

Memory Pages Per Second

Pages/sec is the rate at which pages are read from or written to disk to resolve hard page faults. Memory: Pages/sec A high rate for the Pages/sec counter could indicate excessive paging. Memory: Page Faults/sec Monitor the Memory: Page Faults/sec counter to make sure that the disk activity is not caused by paging. Page Faults/sec is the... » read more