User Defined Data Types (UDF) is one of the useful concepts in SQL Server. However UDF can't be modified after they are being used. You would have to remove your User Defined Data Type from each table before you can change it. This will be a big job under certain circumstances.This procedure changes all tables […]
2002-04-19
1,058 reads
This procedure will return useful columns information for VB developers. It shows column name, data type, size, vbtype, checktable (refferenced table) and flags: NoNull, IsIdentity, IsPK.Calling sample: mysp_columns 'customers'
2002-04-19
783 reads
Microsoft missed the code boat on this one. Use this function to find the true index of set of characters.
2002-04-18
614 reads
This script list all the users defined for each database on the server, it give the database name, the login name and the role defined.Its use full to have quick view of witch users are dbo on witch databaseEnsure that you have the result in grid in query analyzer, and just cut and paste the […]
2002-04-18
967 reads
Ever need to write reports out to a folder? I have found that creating output files are SA-WEET! (and easy too) The sample script uses BCP to create an HTML file.This process works well for reports that need to be generated nightly and take too long to run in real time. Use an SMTP mail […]
2002-04-18
4,482 reads
This procedure was written to create an event schedule where the schedule may have non-consecutive days. The input for the procedure is START DATE, END DATE, and DAYMAP The DAYMAP input parameter is a decimal number whose binary representation describes the schedule days over potentially a 4 week period (read from right to left). […]
2002-04-17
319 reads
Following script gives an example how to handle errors inside stored procedure with returning information about type of error occured
2002-04-17
1,715 reads
There are times you want to kill all the connections in a database. This would do that trick. This can be very useful when you replace a database regularly and some connections still exist so your automated restore fails. You can issue this command to kill all the connections before issuing a restore command.
2002-04-17
2,530 reads
During some maintenance task, you might not want any one to connect to a database. This script would help you do that. If you need to run this script, you might also need my other script to kill connections.
2002-04-17
797 reads
Sometimes, during test stage, you may need to truncate or delete all your tables in a database, without droping constraints, truncating and recreating constraints (DRI). You can use the TRUNCATE TABLE statement to removes all rows from a table without logging the individual row deletes, but tables referenced by a FOREIGN KEY constraint can not […]
2002-04-17
1,598 reads
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
Comments posted to this topic are about the item Server-Level Table sizes
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
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) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers