Temp Tables in SQL Server
This is an entry level look at how temp tables work in SQL along with some tips about how to use them effectively.
2006-07-14 (first published: 2004-02-11)
82,300 reads
T-SQL
XTAB - CROSSTAB UTILITY
sp_XTAB (prototype) produces pivoted (crosstab) views/output with a minimum of fuss.No messing with code, just tell XTAB what you want to pivot.Tested to 764 pivoted columns, XTAB can generate up to 63000 characters of dynamic sql. Example (deliberately over-simplified)----------------------updated 27 January 2004Use NorthwindEXEC sp_XTAB 'Northwind','xtEMPL_COUNTRY','Orders','EmployeeID','ShipCountry', '', 'OrderID','COUNT','NULL', '', 'SELECT xtEMPL_COUNTRY.* FROM xtEMPL_COUNTRY' -- Include optional […]
2004-01-24
405 reads
UDF For Extracting Actual Time From Two DateTime
Hi guys, I have created a script of User-Defined-Function to extract the calulated time from two given datetime inputs. But you have to pass THREE parameters like :-a)Start Datetimeb)End Datetimec)To display the format either in HH:MM:SS or HH.MM , we use 'T'(HH:MM:SS) OR 'N'(HH.MM). Please feel FREE to E-mail me at […]
2004-01-14
148 reads
Generate Random Alphanumeric Strings
This script will generate and populate a table variable with a stipulated number of unique 8 randomly generated character alphanumeric values. This can be useful in situations where one has to allocate passwords or unique id to users. It accepts one input parameter "@HowMany int" representing the number of these alphanumeric values to generate; default=500.Usage: […]
2004-07-06 (first published: 2004-01-09)
3,524 reads
Generating random numbers in a range, sql2k
This script will generated random numbers within a choosen Upper and LowerBound. I'v created a random number (int's) generator since i couldnt find a script which exactly did what I was searching for. The RAND function seems to do repetive patterns, so i created a new function based on the NEWID function.After running the two […]
2004-10-08 (first published: 2004-01-09)
407 reads
View all triggers
this script simply returns list of all triggers and their dependant tables in current database.Ex:Select * from rk_vAlltriggers
2004-01-08
256 reads
Find Overlapping Jobs
Script lists all overlapping jobs that ran on selected server within last @Hoursback hours.Basically, idea behind this is to find jobs that are running at the same time, because that might significantly slow down server, especially if you have jobs that are running during business hours. You can do the same by looking into Jobs […]
2004-01-02
1,261 reads
trim leading character from column
this procedure takes a character, tablename and columnname as input-parameter; on execution it removes the given leading character from the table-column - as well as leading blanks. small and easy but very helpful.
2003-11-27
166 reads
Generating sequential numbers - the fast way
It is often necessary to generate a table with sequential numbers, up to a specified upper limit N. For small N, a simple INSERT in a WHILE loop will do. But, for large N, that solution becomes too slow. This script presents a different approach. It generates sequential numbers from the binary representation of N, […]
2004-12-30 (first published: 2003-11-24)
647 reads
Find Min/Max Values in a Set
New Author! The author tries to port a solution from Oracle and runs into a problem. Agree with the solution?
2003-11-21
11,576 reads
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Question of the Day
Transaction Log Truncation
In SQL Server 2025, where can I find information about items that prevent or delay the transaction log truncation?
See possible answers