SQL Server: Fix – The server principal “elevated_user_login” is not able to access the database “my_database” under the current security context

The Error: This error wasted my morning. Although I have solved this issue before, it took a while to google and fix it again. So, this post is for my own edification and reference if for no other reason! --Proc [MyProcedureName] started AT:2020-10-13 09:49:43.4632735Msg 916, Level 14, State 1, Procedure MySchemaName.MyProcedureName, Line 31 [Batch Start …

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SQL Server: Dynamically Calculate Delta Values For Numeric And Date Columns From DMV’s Or Any Table

DMV's are very useful. In fact, they are like glass windows that lets you look at a running engine. There are lots of them and they give us lots of numbers but Most are cumulative in nature!  i.e., the numbers keep on increasing and never decrease. A variation of above like space usage where the …

PowerShell: Find & Replace SQL Server Stored Procedure/View/UDF/Trigger Code En Masse Based On Custom Criteria

Update April 19, 2019: Thanks to Tim (in comments), the updated script can also do find/replace in not just stored procedures but also views, UDF's and triggers. Today, a need came-up where a bunch of stored procedures had to be altered based on certain criteria. Easy way: Obviously, the easiest way would be to script …

SQL Server – Dynamically PIVOT ANY Column On ANY Table in ANY Database For ANY Aggregation With ANY Condition

SOURCE CODE ATTRIBUTION: Before I proceed, I want to give credit to the original procedure by sfrejofsky based on which I created this procedure (mostly improvements). The source of this procedure is https://stackoverflow.com/questions/10404348/sql-server-dynamic-pivot-query I had a need to do dynamic PIVOTing for one of my projects and instead of reinventing the wheel, I used the …

Oracle – Return SELECT Statement Results Like SQL Server SP’s – Using Pipelined Functions

Note: You can find a simpler version of this in my answer on StackOverflow. Returning SELECT statement results from procedures/functions? Everyone is familiar with Oracle functions that return basic data types (simple values with no internal components). Although rarely used, Oracle functions are however capable of returning more complex data types like cursors, arrays and …