Why does SUM(SUM(Amount)) OVER () work? Because the window runs after GROUP BY. A short demo with shares, ranks and a filter trap.
Find SQL Server Agent Job Failures Before Users Do
Agent job failures hide in msdb until someone reads the history. This post builds three demo jobs, then finds the failed step and its message, the job that runs too long, the job that never starts, and the jobs that notify nobody.
SQL SERVER – Function to Round Up Time to Nearest Minute Interval
A small T-SQL function that rounds a datetime up or down to the nearest minute interval you pass in, with the code and how to call it.
Identity Overflow Check: How Close Is Each INT Column to 2,147,483,647
A table with few rows can still be one insert away from error 8115. Here is a check that shows the real headroom of every INT identity column.
SQL SERVER – Copy Data from One Table to Another Table – SQL in Sixty Seconds #031 – Video
Many developers still use a cursor to copy data from one table to another. This SQL in Sixty Seconds video shows INSERT INTO SELECT and SELECT INTO instead.
Finding the Error Log Folder and Other Paths From T-SQL
Pasted a server path into File Explorer and found nothing? The folder is on the server, not your laptop. Here are the queries that tell you where.
SQL SERVER – Move Database Files MDF and LDF to Another Location
Your new database sits in the default location and keeps growing. Here is how to move the MDF and LDF database files to another disk or drive.