The sp_CheckAndDelete stored procedure specially created for handling process of data deleting efficiently in MS SQL Server 2000 tables, as it is too difficult to handle this process when dependants exist for record to be deleted. When the deleting process is done with sp_CheckAndDelete stored procedure, you will be informed the status of the process […]
2003-01-30
195 reads
When most developers think of joins, they think of a.SomethingID = b.SomethingID. This type of join, the equijoin, is vitally important to SQL programming; however, it only scratches the surface of the power of the SQL join. This is the first in a series of articles that will look at several different types of exotic joins in SQL. This article will focus on using the BETWEEN operator in joins when dealing with range-based data.
2017-08-23 (first published: 2003-01-22)
37,999 reads
Because of the way date and time values are stored in SQL Server, searching for a particular date or time is not as straightforward as you might think it would be. This article describes how date/time values are stored, how the database design can simplify (or complicate) data retrieval, and how to query date/time data to get the right results every time.
2003-01-21
36,134 reads
For most DBAs, normalization is an understood concept, a bread and butter bit of knowledge. However, it is not at all unusual to review a database design by a development group for an OLTP (OnLine Transaction Processing) environment and find that the schema chosen is anything but properly normalized. This article by Brian Kelley will give you the core knowledge to data model.
2003-01-13
18,745 reads
This script creates comma separated lists of columns in different formats. These lists can be copied and pasted into other T-SQL statements. The lists are formatted as: a simple list of column names, a list with the column names as declared variables (@ + column name + data type), a list with column names as […]
2002-12-26
213 reads
This SP will create an Access database from TSQL using ADOX.Instead of Access, the Provider can be changed so that it will create *any* kind of database from DBase 3, Oracle, Excel, etc...
2002-12-11
352 reads
There are times when you have a limited range of ids and these have to be re-used as they become available.The script lists the first missing id in a table.Note that this script works best for a table with a limited number of rows, say sub 100,000I tested this on a PIII 500MHz 256Mb RAM […]
2002-12-09
285 reads
Purpose: To compare two strings with a supplied operator and return true if the strings evaluate to true using the operator provided. This is useful for stored procs to use instead of dynamic sql. YAY! Allowing for the operator and value to be passed in as parms. So that the user on the front end […]
2002-12-07
865 reads
Sometimes people want a Stored Proc with optional parameters. A lot of times people will use a coalesce for this. The problem with optional paremeters is that the query plan will never be an exact mach for that specific query. ( You never know what paremeters are filled..... )To solve this problem look at the […]
2002-12-06
457 reads
Sometime one needs to perform an operation on all or selected databases on a server/instance. Microsoft provides undocumented store proc sp_MSForEachDb to achieve this. I use it for some clean up process as a SQL Job.
2002-11-30
455 reads
By Steve Jones
I don’t have SQL Server installed on my laptop. In an effort to keep...
Slow-running queries can degrade your Redshift cluster’s performance and lead to increased costs. Identifying...
By gbargsley
If you've been here before, you know this blog is usually about SQL Server,...
Hi all Can I get some perspective from the community please on performing in-place...
Comments posted to this topic are about the item How Long is a Long...
Comments posted to this topic are about the item T-SQL Trigonometric Functions in SQL...
In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?
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