SQL and the JOIN Operator
How the JOIN operator works, the different types of JOINs and relevant information about joining tables.
2011-03-03 (first published: 2009-10-07)
47,613 reads
T-SQL
Retrieve consecutive records from the table based the value difference
Retrieve consecutive records from the table based the value difference
2009-11-04 (first published: 2009-10-06)
949 reads
2009-10-02
4,634 reads
2009-10-21 (first published: 2009-10-01)
2,303 reads
Ultimate Alter Script generator
In development enviornment we always get the modifications in tables from developers.As far as my concern writing scripts is tedious work for us. I hope below script will help you.
2009-10-30 (first published: 2009-10-01)
1,349 reads
2009-10-01
4,179 reads
Celko's SQL Stumper: The Data Warehouse Problem
Joe Celko comes back with a puzzle that isn't new, but one where the answer he originally gave now seems archaic: It is a deceptively simple problem, but is it true that the new features of SQL have simplified the solution? We leave it to the readers to provide the answer!
2009-09-28
3,535 reads
2009-09-25
3,569 reads
SQL WHERE Clause Optimization
SQL WHERE clause optimization is important to get maximum performance from a query. If an index exists on a column you obviously want the query to use it...
2009-09-25
9,654 reads
2009-09-24
4,678 reads
Blogs
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Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
SQL Server Enum Implementation: A Single-Row View Strategy for Avoiding Magic Values
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BIT_COUNT I
Comments posted to this topic are about the item BIT_COUNT I
Question of the Day
BIT_COUNT I
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers