Date Time Values and Time Zones
Dinesh looks at the date functions, how to work with time zones (or not), and does a brief comparison to see how you do similar tasks in Oracle.
2003-12-22
15,231 reads
Dinesh looks at the date functions, how to work with time zones (or not), and does a brief comparison to see how you do similar tasks in Oracle.
2003-12-22
15,231 reads
As Chris points out, in most applications these days you end up having to go with optimistic locking, which presents a few challenges. Chris works through the list of options. If you're building web/disconnected apps and need anything besides last update wins, this one is for you.
2003-12-19
9,474 reads
Sysdepends is a neat idea, but in practice it's not always accurate. This article talks about why it's not always reliable and presents some code (recursive even!) that will let you find all the dependencies by querying the system tables.
2003-12-18
9,421 reads
This article presents two best practices. One is about how to construct good table aliases, the other is about using ANSI join syntax. Good stuff!
2003-12-17
10,844 reads
This short article looks at some mistakes developers should avoid when they also have the task of designing the database, database objects, or TSQL used to access it.
2003-12-16
7,930 reads
Why would you ever create duplicate indexes? Does that even make sense? Steve Jones isn't sure, and that's for another day, but it sure caused him some problems. Follow along and find a solution for tracking these down.
2003-12-15
5,102 reads
Full text indexing is interesting, but not always easy for the user to apply well. Chris has some ideas about to make that
2003-12-11
12,189 reads
Red Earth Technologies announces the release of version 1.3 of Superior SQL Builder, its SQL tool that allows users to visually build complete SQL scripts without typing any code.
Superior SQL Builder introduces new SQL scripting technology, allowing users to quickly and easily transform their database data. In version 1.3 this scripting technology has been extended and enhanced so that complex SQL scripts can be built in less time and with greater ease.
2003-12-11
327 reads
Frank gives us his take on Codd's Rules. If you're new to databases, this is the core theory that resulted in the development of RDBMS. If you're more experienced with databases, maybe now is a good time to return to the rules to see how you're doing!
2003-12-10
20,381 reads
Ever wanted to use the SQL Trace system stored procedures instead of Profiler, but got intimidated by the cryptic system stored procedure calls? Then this article is just for you. It will show you how to use SQL Trace system stored procedures and provide you with wrapper stored procedures, that can be used to quickly get server side traces up and running.
2003-12-10
1,891 reads
I’m hosting a free webinar at MSSQLTips.com at the 19th of December 2024, 6PM...
By Steve Jones
I looked at row_number() in a previous post. Now I want to build on...
Recently I received a cry for help over Teams. The issue was that an...
Hi - I'm looking for advice regarding the best & quickest way to establish...
Hello. I am looking for a tool Data cleansing/conversion, was recommended HPE any...
I have a query that runs in a job to check on orphaned users....
I have this data in a SQL Server 2022 table:
player yearid team HR Alex Rodriguez 2012 NYY 18 Alex Rodriguez 2013 NYY 7 Alex Rodriguez 2014 NYY NULL Alex Rodriguez 2015 NYY 12 Alex Rodriguez 2016 NYY 9If I run this code, what are the results returned in the hrgrowth column?
SELECT player , yearid , hr , hr - LAG (hr, 1, 0) IGNORE NULLS OVER (ORDER BY yearid) AS hrgrowth FROM dbo.playerstats;See possible answers