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INSERT --ÏòÊý¾Ý¿â±íÌí¼ÓÐÂÊý¾ÝÐÐ
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UPDATE --¸üÐÂÊý¾Ý¿â±íÖеÄÊý¾Ý
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DROP TABLE --´ÓÊý¾Ý¿âÖÐɾ³ý±í
ALTER TABLE --ÐÞ¸ÄÊý¾Ý¿â±í½á¹¹
CREATE VIEW --´´½¨Ò»¸öÊÓͼ
DROP VIEW --´ÓÊý¾Ý¿âÖÐɾ³ýÊÓͼ
CREATE INDEX --ΪÊý¾Ý¿â±í´´½¨Ò»¸öË÷Òý
DROP INDEX --´ÓÊý¾Ý¿âÖÐɾ³ýË÷Òý
CREATE PROCEDURE --´´½¨Ò»¸ö´æ´¢¹ý³Ì
DROP PROCEDURE --´ÓÊý¾Ý¿âÖÐɾ³ý´æ´¢¹ý³Ì
CREATE TRIGGER --´´½¨Ò»¸ö´¥·¢Æ÷
DROP TRIGGER --´ÓÊý¾Ý¿âÖÐɾ³ý´¥·¢Æ÷
CREATE SCHEMA --ÏòÊý¾Ý¿âÌí¼ÓÒ»¸öÐÂģʽ
DROP SCHEMA --´ÓÊý¾Ý¿âÖÐɾ³ýÒ»¸öģʽ
CREATE DOMAIN --´´½¨Ò»¸öÊý¾ÝÖµÓò
ALTER DOMAIN --¸Ä±äÓò¶¨Òå
DROP DOMAIN --´ÓÊý¾Ý¿âÖÐɾ³ýÒ»¸öÓò
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GRANT --ÊÚÓèÓû§·ÃÎÊȨÏÞ
DENY --¾Ü¾øÓû§·ÃÎÊ
REVOKE --½â³ýÓû§·ÃÎÊȨÏÞ
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COMMIT --½áÊøµ±Ç°ÊÂÎñ
ROLLBACK --ÖÐÖ¹µ±Ç°ÊÂÎñ
SET TRANSACTION --¶¨Ò嵱ǰÊÂÎñÊý¾Ý·ÃÎÊÌØÕ÷
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DECLARE --Ϊ²éѯÉ趨Óαê
EXPLAN --Ϊ²éѯÃèÊöÊý¾Ý·ÃÎʼƻ®
OPEN --¼ìË÷²éѯ½á¹û´ò¿ªÒ»¸öÓαê
FETCH --¼ìË÷Ò»Ðвéѯ½á¹û
CLOSE --¹Ø±ÕÓαê
PREPARE --Ϊ¶¯Ì¬Ö´ÐÐ×¼±¸SQL Óï¾ä
EXECUTE --¶¯Ì¬µØÖ´ÐÐSQL Óï¾ä
DESCRIBE --ÃèÊö×¼±¸ºÃµÄ²éѯ
---¾Ö²¿±äÁ¿
declare @id char(10)
--set @id = '10010001'
select @id = '10010001'
---È«¾Ö±äÁ¿
---±ØÐëÒÔ@@¿ªÍ·
--IF ELSE
declare @x int @y int @z int
select @x = 1 @y = 2 @z=3
if @x > @y
print 'x > y' --´òÓ¡×Ö·û´®'x > y'
else if @y > @z
print 'y > z'
else print 'z > y'
--CASE
use pangu
update employee
set e_wage =
case
when job_level = ’1’ then e_wage*1.08
when job_level = ’2’ then e_wage*1.07
when job_level = ’3’ then e_wage*1.06
else e_wage*1.05
end
--WHILE CONTINUE BREAK
declare @x int @y int @c int
select @x = 1 @y=1
while @x < 3
begin
print @x --´òÓ¡±äÁ¿x µÄÖµ
while @y < 3
begin
select @c = 100*@x + @y
print @c --´òÓ¡±äÁ¿c µÄÖµ
select @y = @y + 1
end
select @x = @x + 1
select @y = 1
end
--WAITFOR
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