We can use this function to combine multiple rows into single one. Generally to create comma separated list for each unique item. So this can create comma separated product list for any given category. The same can be used to make a list of items in a given order.ThanksMohit Nayyarhttp://mohitnayyar.blogspot.com/
2007-09-14
3,830 reads
This script was designed to restore a backup of a SQL Server 2000 database from disk file to SQL Server 2005.Unfortunatelly the RESTORE will leave land mines for you to find the hard way, this script was updated to fix all that I have found:Change CONCAT_NULL_YIELDS_NULL ON, PAGE_VERIFY CHECKSUM, Compatibility level to 90, remove the […]
2007-09-14
4,533 reads
This is a simple script that when used by command-line OSQL/ISQL can help you locate a stored procedure.How many times have you been looking for stored procedure code and could not find it? This is a simple method to locate lost code.When you manage many database servers this can become a common problem. The scenario […]
2007-09-14
2,114 reads
Quite often I need to cut off the first (or last) few characters of a string. To do just that I created two functions LSTR() and RSTR().Syntax: LSTR( @stringtocut, @length )Note: @stringtocut is trimmed in the functionWhen @length is equal or larger than zero, this function performs the same as LEFT( LTRIM(RTRIM(@stringtocut)), @length ).When @length […]
2007-09-13
1,607 reads
2007-09-13 (first published: 2007-05-16)
340 reads
Hi this is my first post on sql....The below procedure will check the current errorlog(past one hour errorlog will be scanned)for the keyword "error" (you can include your own key word) .. If you run the procedure it will look for keyword error in the past one hour... it will be use full for some […]
2007-09-12 (first published: 2007-05-06)
759 reads
2007-09-11 (first published: 2007-05-03)
586 reads
This improved Split function allows for multi-byte delimiters, optional null values, and optional null value substitution.
2007-09-10 (first published: 2007-05-01)
474 reads
Hai buddies,The following procedure can be used to find whether there are any blocks in the sql server.The procedure if run in Master database , can be used like any other system stored procedure from any database.The output of the proc will contain the followingSPID OF RUNNING APPLICATIONAPPLICATION NAMEEXECUTING DATABLOCKED (Y/N)BLOCKING SPIDBLOCKING APPLICATIONEXECUTING DATA (BLOCKING […]
2007-09-09
3,714 reads
It helps you in situaions whenever you wish to create commm seperated values actually originating from multiple records. Say, your query return three records in folloing patter:Student_Name=============RickyAdamMathewBut, say you wish to have records in following patter:Student_Name============Ricky, Adam, MathewThat is how it works. Try it...I beleive it will help you a lot
2007-09-07 (first published: 2007-05-01)
492 reads
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...
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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