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Sybase » Transact-SQL » Coding »

Transact SQL: looping constructs

     




The while ().. begin..end is the best way to preform loops within
a stored procedure. Note that declared variables in T-SQL need to
be initialized.


create proc proc_looper (@loops int) as

declare @count integer,
@power2 float

select @count = 0, @power2 = 1

while (@count < @loops)
begin
select @power2 = @power2 * 2

select @count = @count + 1
end

select 'Result is: ', @power2

return
go









Sybase : Related Topics

Sybase : Transact-SQL : Transact SQL: numeric functions
Sybase : Transact-SQL : Transact SQL: string functions
Sybase : Transact-SQL : Transact SQL: date/time functions
Sybase : Transact-SQL : Transact SQL: misc functions
Sybase : Transact-SQL : Transact SQL: Conditionals
Sybase : Transact-SQL : Transact SQL: Cursors
Sybase : Transact-SQL : Transact SQL: Complex Updates
Sybase : Transact-SQL : Transact SQL: Finding duplicate rows in a table
Sybase : Transact-SQL : Using Temporary Tables
Sybase : Transact-SQL : Inner/Outer Joins
Sybase : Transact-SQL : Isolation Levels
Sybase : Transact-SQL : Reporting: SQL Performance and Tuning
Sybase : Transact-SQL : Case Statement
Sybase : Transact-SQL : Date processing: stripping time from datetime
Sybase : Transact-SQL : Safely delete a large number of rows without blowing the t-log
Sybase : Transact-SQL : Transact SQL: date/time formats
Sybase : Transact-SQL : Creating a stored procedure
Sybase : Transact-SQL : Custom query plans
Sybase : Transact-SQL : Rowcount setting - limiting result sets
Sybase : Transact-SQL : Ranking Data - with Duplicates
Sybase : Transact-SQL : Forcing an index in a query
Sybase : Transact-SQL : Median Calculation, with pure SQL
Sybase : Transact-SQL : Lead and Lag with pure SQL

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