A simple query to count duplicate records in a table using GROUP BY, HAVING COUNT(*) and ORDER BY, with the most repeated values first. A video is included.
SQL SERVER – 2005 – List All Stored Procedure Modified in Last N Days
A query on sys.objects to list every stored procedure modified in last N days, or ones created lately. I use 7 days; change it to what you need.
SQL SERVER – Result of EXP (Exponential) to the POWER of PI – Functions Explained
Quick examples of PI(), POWER() and EXP() in SQL Server, and the answer to the title: EXP to the POWER of PI returns 23.1406926327793.
SQL SERVER – FIX : ERROR Msg 244, Level 16, State 1 – FIX : ERROR Msg 245, Level 16, State 1
Msg 244 and Msg 245 come from converting a value to an incompatible data type, often with CAST or ISNULL. Examples of both, and why ISNULL casts to the first type.
Explaining a Database to Non-Programmers (It Won’t Play Your Flash Movie)
Explaining a database to non-programmers is a real skill. Here’s my old flash movie story and the plain comparisons that work in any meeting.
SQL SERVER – Convert Text to Numbers (Integer) – CAST and CONVERT
How to convert text to integer with CAST and CONVERT, whether they fail on alpha-numeric values (yes), and how to pull only the numbers from a string.
SQL SERVER – FIX : Error : msg 8115, Level 16, State 2, Line 2 – Arithmetic overflow error converting expression to data type
Msg 8115, arithmetic overflow error, comes when a value is too big for its column, like 111111 in a TINYINT. Check the value or widen the column definition.
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