T-SQL

SQLServerCentral Article

A Normalization Primer

  • Article

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.

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2003-01-13

18,715 reads

Technical Article

CSV Lists of Columns in Different Formats

  • Script

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 […]

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2002-12-26

211 reads

Technical Article

To find the next available ID

  • Script

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 […]

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2002-12-09

268 reads

Technical Article

Dynamic String Compare (W/O the dynamic sql)

  • Script

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 […]

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2002-12-07

862 reads

Technical Article

Stored Proc with optional parameters

  • Script

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 […]

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2002-12-06

456 reads

Technical Article

Converting Binary data to a Hex Character String

  • Script

Occassionally you might want to convert a binary number into some printable string.   This would allow you display some meaning fully numbers hex characters, instead of just some unreadable garbage.  This script takes a binary field, of basically any length, and converts it, character by character, to a character string.  The character string will contain […]

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2002-11-07

471 reads

Technical Article

sp_DBCompare

  • Script

This simple script make a comparison between two given database. It compare: The table present in both database            The data type, lenght, nullability, precision for each table.            The object present in both database. The StoredProc is able to compare database across different server, simple make […]

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2002-10-31

812 reads

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Question of the Day

UNISTR Basics

What does this code return in SQL Server 2025+? (assume the database has an appropriate collation)

SELECT UNISTR('Hello 4E16754C') AS 'A Classic';
A:   B:  

See possible answers