A foreign key inventory needs both the constraint and its column pairings. I include schema names to identify each table clearly.
GROUPING_ID: Separate Stored NULL Values From ROLLUP Totals
GROUPING_ID helps me distinguish a stored NULL from a subtotal created by ROLLUP. Both can appear in the same column. I keep the grouping bits beside the numbers before adding presentation labels.
SQL SERVER – T-SQL Script to Attach and Detach Database
Detach Database operations remove a database from its instance without deleting its files. I preserve a recoverable backup before moving them.
SQL SERVER – T-SQL Script to Insert Carriage Return and New Line Feed in Code
Add a carriage return with CHAR(13) and a New Line Feed with CHAR(10) in T-SQL. Handy for formatting output, dynamic SQL with GO, and saving user text.
Refactoring a Long Stored Procedure Into Readable Steps
Learn refactoring a long stored procedure with output baselines, named temp tables, dead-code removal, and two-way EXCEPT checks before release.
The SQL Basics Almost Everybody Skips
Revisit SQL basics that change query results: NULL logic, logical processing order, grouped filters, and the difference between two common counts.
Writing Clear Error Messages in Procedures
Clear error messages in procedures identify the failed operation, useful keys, and next action without exposing sensitive data.