Category Archives: Script

How to run a command using System credentials

PsExec can be downloaded from https://docs.microsoft.com/en-us/sysinternals/downloads/psexec and execute with -sid parameters!   Why do we need this? When a script is scheduled using Scheduled tasks and configured to run as System same credentials will be used. This process is to … Continue reading

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QueryStore – Regressed queries based on execution count

Handy TSQL statement to find gergressed queries on a given time based on execution count. I had a scenario to validate if application is executing any statements more frequently on a given time. Following SQL can be used to find … Continue reading

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SQL Recursive CTE example

* Recursive CTE

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SQL Alwayson Preferred Node workaround, Fallback script

We have Always-On configured between Node-1, Node-2 with Auto Failover enabled. Unfortunately one minor functionality was partially impacted when AG is primary on Node-2. Business is very particular about not changing it to Manual Failover mode. End up creating a … Continue reading

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Interesting observation with DATETIMEOFFSET data type in SQL

Calculating daily max values of a table will be different if you are using/storing the data in DATETIMEOFFSET format. Basic difference is, while comparing the data between DATETIMEOFFSET and DATE (or DATETIME), DATETIMEOFFSET value will be converted to UTC and … Continue reading

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Search SQL Error Logs using TSQL – xp_readerrorlog

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TSQL to find users and their access on a given database

TSQL to find users and their access on a given database

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