Multiple CTEs in One Query
CTEs are a great thing to use in your query. They are an excellent way to consolidate code and make it readable as well as create a “view” inside of your code. One great thing I have used them for...
Category: SQL Server
Script Indexes With Your Tables
Scripting tables inside of SQL Server Management Studio is a very simple task. Just right click and select script table. The problem is that, but default, the indexes on a table are not part of the script. Rather than scripting...
Select NULL AS Max or Min in SQL Query
By default the functions MAX and MIN do not count NULL in their evaluation of your data. If we have a column containing only dates for instance and there is a NULL date, MAX and MIN will both ignore that...
Truncating A Replicated Table
On a recent project that I was working on we came across an issue where we needed to replicate several databases on a new server. Much of the ETL had places where tables were truncated and reloaded. Normally this is...
CREATE SCHEMA Syntax Error
Recently while creating a script to migrate the new holding tables over to the stage and production machines I ran into a little issue. The holding table we are using in this case houses several different sets of data for...
Comma Delimited List with COALESCE
There may be a day when you need to create your own comma delimited list from data contained in a SQL table. Sure you could build a cursor and go through each row adding a comma after each record. The...
Server ‘SERVERNAME’ is not configured for RPC
I recently was doing some development on my local machine and needed to pull data from a linked server. I set up the linked server and everything was working great. Executing queries to pull the data to my machine was...
Removing The Date From The End of a String
Occasionally there may be the need to remove the date from the end of a string. This can be accomplished by using PATINDEX along with SUBSTRING. We will use PATINDEX to find where the date begins and then SUBSTRING to remove the...
Joining Tables That Contain NULL Values
As you can see we have two tables, with the same values. Joining on these tables is no problem at all. Simple, right? Well, take a look at what happens when we try to join on the column containing the NULL values....
Calculate the Date of Previous Sunday
There are a number of ways that you can calculate dates using T-SQL. A common practice is to find the first day of the week which can be accomplished easily by using the following function. SELECT DATEADD(wk, DATEDIFF(wk,0,GETDATE()), 0) However,...