Scripts

Technical Article

Pagination in stored procedure

You recently published a script showing how to do pagination (e.g. results 20 - 30 of 100) It's also possible to do it quicker and more elegantly without having to resort to building the sql string dynamically (never a good thing IMHO). You pass in 2 parameters, @PageIndex is the first record you want (so […]

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2006-05-31 (first published: )

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Technical Article

Backup Verification

The following script runs against the current server and retrieves number of days since last full or differential and the number of days between them. it also retrieves the number of hours since the last transaction log backup.It currently returns a grid output.currently the script is under going changes to send XML back to an […]

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2006-05-22 (first published: )

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Technical Article

Calculate distance between two points

The calculation of distance between two points using standard spherical geometry can be inaccurate for short distances (ten miles or less) because the sine function of very small angles approaches zero. The haversine approach (http://en.wikipedia.org/wiki/Haversine_formula) turns this around, so it is very accurate at small distances but has larger errors (about ten miles) for points […]

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2006-05-18 (first published: )

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Technical Article

BCP OUT all table data in your Database

Data Recovery is vital. This script will cursor through your database and BCP OUT the table data to a directory specifically for each day of the week (in numbers - where 1 = Sunday and 7 = Saturday) in order to have table recoverability up to 7 days. The first step is to create the […]

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2006-05-11 (first published: )

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Question of the Day

Adding new column with DEFAULT

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 = 0
 

See possible answers