Assume that you already have a table with 1000 rows. Now suppose, after some months, you feel a need to insert a sequence number column in the same table. Here is a script that I have worked out. If you have anyother better way then you are most welcome to comment on the same!
2006-03-28 (first published: 2006-02-16)
2,093 reads
Just plug this into your Query Analyser and play. This code is an easier way of converting currency to English which can be altered easily to suit your needs.I found that this script will help in avoiding the storage of Amount in Words everytime an amount is stored in applicatons that require the functionality.
2006-03-27 (first published: 2006-02-21)
423 reads
This script returns the main properties for all data files and log files in the current database including logical and physical file names, size, used space, and file growth parameter.
2006-03-24 (first published: 2006-02-25)
627 reads
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)
456 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)
2,053 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)
180 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)
30,763 reads
2006-03-16 (first published: 2004-09-29)
231 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)
258 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)
133 reads
Creating a Fabric workspace takes about 30 seconds. Restructuring workspaces after people have built...
By Steve Jones
It’s a small change, but a handy one. Flyway Desktop (FWD) now includes the...
By Steve Jones
Software is hard. While I love our Lucid Gravity, I realize that they are...
Comments posted to this topic are about the item Adding new column with DEFAULT...
Comments posted to this topic are about the item Advanced Deployment Scenarios: Stairway to...
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Which number did the two COUNT(*) return:
DROP TABLE IF EXISTS #tmp CREATE TABLE #tmp (id INT NOT NULL) INSERT INTO #tmp (id) SELECT gs.value FROM GENERATE_SERIES(1, 5) AS gs ALTER TABLE #tmp ADD my_value INT NOT NULL CONSTRAINT df_tmp_my_value DEFAULT 1 SELECT COUNT(*) FROM #tmp AS t WHERE my_value = 1 ALTER TABLE #tmp DROP CONSTRAINT df_tmp_my_value ALTER TABLE #tmp ADD CONSTRAINT df_tmp_my_value DEFAULT 2 FOR my_value SELECT COUNT(*) FROM #tmp AS t WHERE my_value = 1See possible answers