SQL Ñ»·
declare @i int
set @i=1
while @i<30
begin
insert into test (userid) values(@i)
set @i=@i+1
end
---------------
while Ìõ¼þ
begin
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set @i=@i+1
end
WHILE
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{ sql_statement | statement_block }
[ BREAK ]
{ sql_statement | statement_block }
[ CONTINUE ]
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Boolean_expression
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{sql_statement | statement_block}
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USE pubs
GO
WHILE (SELECT AVG(price) from titles) < $30
BEGIN
UPDATE titles
SET price = price * 2
SELECT MAX(price) from titles
IF (SELECT MAX(price) from titles) > $50
BREAK
ELSE
CONTINUE
END
PRINT 'Too much for the market to bear'
B. ÔÚ´øÓÐÓαêµÄ¹ý³ÌÖÐʹÓà WHILE
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(
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[×Ö¶Î2] ntext null ,
[×Ö¶Î3] datetime,
[×Ö¶Î4] money null ,
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[×Ö¶Î7] image null ,
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