Scripts

Technical Article

List SQL backups

During the process of developing a script to make copies of local SQL database and transaction log backups, I needed to come up with an easy way of locating the backup files. This script queries the SQL2000 backup tables in the msdb database and returns backup start dates, types (D=database, L=Log, I=Differential) and the location […]

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2004-02-25

621 reads

Technical Article

Parsing an IP address into its separate octets

IP addresses are represented as xxx.xxx.xxx.xxx, where xxx is an integer between 0 and 255.  Each three-digit integer is called an octet, and all IP addresses comprise four octets.Help-desk applications and administrative tools often store the IP addresses for a company's PCs in a database.  An IP address can be represented either as a single […]

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2004-02-25

2,422 reads

Technical Article

Automate Audit Trigger Generation

I have been tasked with a daunting job of scripting I/U/D triggers for our new database. The job of the triggers is to Audit the activity on the tables. What column was changed to what value on what table and by whom. With over 60 tables, this is a daunting task. So off I went […]

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2004-02-24

1,073 reads

Technical Article

Find a string in Procedures, Triggers, etc

I want to thank James Travis for his original and excellent work and to Razvan Socol for alerting about a similar problem that led me to improve James' code. The problem is that when searching for a word that is split between two 8kb blocks, James' code would ignore it. The solution is to look […]

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2004-02-21

186 reads

Technical Article

Find Tables that need Statistics Update

Indexes and table Statistics play a big role in an OLTP database for better query performance. Maintaining statistics on a weekly basis is important but a heavily updated database tables need more emphasis on Statistics and frequent updates. Instead of trying to issue “sp_updatestats” for the entire database, you can choose tables which are heavily […]

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2004-02-17

2,019 reads

Technical Article

Copy rows generator

This stored procedure is created from the need to copy rows from a table with new value. The script itself will create stored procedure proc_copyrows.The parameters are@TableName: the table name@FilterField: filter field, default is null, means no filter@SourceValue: the value of filter field from source data to be copied@DestinationValue: the new value of filter field@SourceDB: […]

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2004-02-13

279 reads

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Question of the Day

ORDER BY alias

There is a table tmp_tab:

CREATE TABLE tmp_tab (
id int,
val int
);
INSERT INTO tmp_tab VALUES
(1, 1),
(2, NULL),
(3, 3),
(4, 4),
(5, 5);
You want to order the rows ids by the following expression:
    ISNULL(val, id) + 1
Which of the following queries produces the expected ordering and why? (Select all correct)

See possible answers