Scripts

Technical Article

Parse a delimited string, return n-th value

This UDF will parse a string delimited by the character you specify and return the value in the n-th position you requested.Example:select dbo.fn_parse('this string', ' ', 1) --> 'this'select dbo.fn_parse('this string', ' ', 2) --> 'string'select dbo.fn_parse('this string', ' ', 3) --> NULLselect dbo.fn_parse('this  string', ' ', 2) --> ''

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2002-05-10

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Technical Article

Retrieve default value for parameter in procedure

This procedure will return DEFAULT value for the parameter in the stored procedure. Usage: Use pubs go declare @Value varchar(30) exec _GetParamDefault 'random_password','@password_type',@value OUTPUT SELECT @VALUE Also accepts different versions, by default, if not specified, first version info retrieved. exec _GetParamDefault 'random_password;2','@password_type',@value

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2002-05-10

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Technical Article

Check in New DDL to SourceSafe

Rather than invent (or learn) a whole new set of tools to preserve and version all DDL underneath our databases, we decided to use SourceSafe (something we're already using for all other source code). -- We've developed this VBscript to run nightly; it recreates object-level DDL in a given database and compares each object's script […]

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2002-05-09

158 reads

Technical Article

Multiple Replace

Like the replace function, but can replace more than 1 value at a time.e.g. select dbo.multiple_replace('hello', 'e', '1', default) gives 'h1llo'.  Equivalent to: select replace('hello', 'e', '1')e.g. select dbo.multiple_replace('hello world', 'e;w;ld', '1;2;END', default) gives 'h1llo 2orEND'e.g. select dbo.multiple_replace('hello world', 'e$w$ld', '1$2$END', '$') gives 'h1llo 2orEND'

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2002-05-09

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Technical Article

Scalar Function to Determine Age at a Given Date

This function was written to supplant cumbersome age-at calculations.  To execute, simply set a local INT variable equal to the output of the function.  For example, the following, given my birthdate, computes my own age:    DECLARE @age_at INT    SET @age_at = dbo.f_age_at ('2/16/1954', GETDATE ())

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2002-05-09

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Question of the Day

Multiple Values Inserted

I have this code on SQL Server 2022. What happens when it runs all at once?

DROP TABLE IF EXISTS dbo.Commission
GO
CREATE TABLE dbo.Commission
(id INT NOT NULL IDENTITY(1,1) CONSTRAINT CommissionPK PRIMARY KEY
, salesperson VARCHAR(20)
, commission VARCHAR(20)
)
GO
INSERT dbo.Commission
( salesperson, commission)
VALUES
( 'Brian', 12 ),
( 'Brian', 'None' )
GO
 

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