A common problem in sql is how to calculate and process, for the current row, information that is based on the results (sum, product, difference, etc) of the rows read so far.A solution (we use) to this problem is to create a self join query based on the primary key using the condition of "greater […]
2006-03-23 (first published: 2006-03-02)
452 reads
This is an improved and expanded version of the previously posted script that moves indexes to a new file group. This version will:1. Create new filegrup and files for indexes2. Script out and recreate indexes on new drive3. NEW* output report to text file4. NEW* Will run with enclosed wrapper for ALL DATABASES ON THE […]
2006-03-22 (first published: 2006-03-02)
2,047 reads
Inspired by the script printing c# properties. Made more general.Reuires UDF (it is included).exec vbProp 'Employee'
2006-03-20 (first published: 2006-03-06)
172 reads
this script will generate CREATE index statements for all indexes in the database;there are already scripts out there that script constraints for primary keys and unique constraints, which automatically create an index behind the scenes. but what about the other indexes?uncomment two statements in order to filter out primary keys and Unique indexes so you […]
2006-03-17 (first published: 2006-03-07)
30,739 reads
2006-03-16 (first published: 2004-09-29)
228 reads
SQL Function to calculate number of business seconds between 2 datetime fields. Input Parameters: @startdate - Start Time (datatype DateTime) @enddate - End Time (datatype DateTime) @starthour - Start of Business Day (datatype DateTime) (Format: '1900-01-01 9:00:00') @endhour - End of Business Day (datatype DateTime) (Format: '1900-01-01 17:00:00') @workdays - Business Day string - Use […]
2006-03-15 (first published: 2005-01-17)
257 reads
This version uses the Sieve of Eratosthenes algorithm, which is very fast for moderate upper bounds, but which may be slower than the other versions when the upper bound is very large (because of the overhead of the initial table population)
2006-03-14 (first published: 2003-12-17)
130 reads
This scalar udf takes three parameters @Number INT, @Length INT, @Position CHAR(1) and returns a VARCHAR(50) string which pads @Number with zeros to the specified @Length either to the right or to the left, according to @Position ('L' or 'R').E.g. SELECT dbo.udf_PadNumber(5, 6, 'L') returns '000005' whereas SELECT dbo.udf_PadNumber(5, 6, 'R') returns '500000'. The function […]
2006-03-13 (first published: 2004-08-25)
173 reads
Simple job script to cycle the SQL Log ever 24 hoursThe job is set to disabled as you should review any script that creates a job before enabling it on your server.
2006-03-06 (first published: 2004-10-29)
1,040 reads
Based on Ramesh Kondaparthy's script (Script to Generate DataDictionary for Database, posted 8/5/2005), I made a few format changes and included a few more columns.I modified Ramesh's script so that I could copy the result and paste it into Word as the beginning of a Data Dictionary document. (Hint: Once you've pasted the result into […]
2006-03-01 (first published: 2005-08-12)
556 reads
By Steve Jones
It’s time for T-SQL Tuesday again and this is a great prompt to start...
How I used AI for this postChatGPT to generate images based on info specifically...
By ReviewMyDB
My T-SQL Tuesday #202 entry for Marlon Ribunal's invitation on memorable SQL Server outages....
Hello everyone, Last week we performed an upgrade of our SQL Server instance, moving...
Comments posted to this topic are about the item Adding new column with DEFAULT
I've got a web application for my side business. I've added a SQL Server...
Which number will the COUNT() return after executing the following statements:
DROP TABLE IF EXISTS #test; CREATE TABLE #test (id INT) INSERT INTO #test (id) SELECT * FROM GENERATE_SERIES(1, 3) AS gs ; ALTER TABLE #test ADD flag BIT CONSTRAINT DF_#test_flag DEFAULT 0; go UPDATE #test SET flag = 0 WHERE id = 1 UPDATE #test SET flag = 1 WHERE id = 2 INSERT INTO #test (id) VALUES (4) SELECT COUNT(*) FROM #test AS t WHERE flag = 0See possible answers