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删除触发器tri—Sno的正确命令是——。
A.REMOVE TRIGGER tri—Sno
B.DROP TRIGGER tri—Sno
C.TRUNCATE FRIGGER tri—Sno
D.DELETE TRIGGER tri—Sno
参考答案
更多 “ 删除触发器tri—Sno的正确命令是——。A.REMOVE TRIGGER tri—SnoB.DROP TRIGGER tri—SnoC.TRUNCATE FRIGGER tri—SnoD.DELETE TRIGGER tri—Sno ” 相关考题
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在SQL Server 2000中,有商品表(商品号,商品名,单价)和销售表(商品号,销售时间,销售价格)。现要限制“销售价格”的取值必须在此商品“单价”的0.6倍到1.5倍范围之内,实现这个约束的正确代码是______。A.CHECK(销售价格BETWEEN单价*0.6 AND单价*1.5)B.CHECK(销售价格BETWEEN商品表.单价*0.6 AND商品表.单价*1.5)C.CREATE TRIGGER tri_Sales ON销售表FOR INSERT,UPDATE AS IF EXISTS(SELECT*FROM INSERTED a JOIN商品表b ON a.商品号=b.商品号 WHERE销售价格NOT BETWEEN单价*0.6 AND单价*1.5) ROLLBACKD.CREATE TRIGGER tri_Sales ON销售表INSTEAD OF INSERT,UPDATE AS IF EXISTS(SELECT*FROM INSERTED a JOIN商品表b ON a.商品号=b.商品号 WHERE销售价格NOT BETWEEN单价*0.6 AND单价*1.5) ROLLBACK
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下列关于触发器的说法,正确的是()。
A、后触发型触发器是在触发器执行完成后再执行引发触发器执行的语句B、触发器是由数据更改操作引发的自动执行的代码C、引发触发器执行的操作可以是SELECTD、CREATE TRIGGER tri ON table1 FOR INSERT定义的是前触发型触发器
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如果要从数据库中删除触发器,应该使用SQL语言的命令()。A.DELETE TRIGGERB.DROP TRIGGERC.REMOVE TRIGGERD.DISABLE TRIGGER
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设在SQL Server 2008中有如下定义触发器的语句:CREATE TRIGGER tri ON T1 INSTEAD OF INSERT AS……下列关于该触发器执行机制的说法,正确的是( )。
A.当在T1表上执行INSERT操作时,先执行INSERT操作,然后再执行tri触发器B.当在T1表上执行INSERT操作时,只执行tri触发器,而不实际执行INSERT操作C.当在T1表上执行INSERT操作时,先执行tri触发器,然后再实际执行INSERT操作D.当在T1表上执行INSERT操作时,先执行INSERT操作,如果操作正确,则无需执行tri触发器
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WhataretwobenefitsofclusteredaccesspointsonasmallbusinessnetworkusingtheCisco500SeriesAccessPoint?()
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以下触发器是当对[employee表]进行()操作时触发。Create Trigger abc on employeeFor insert,update,deleteAs⋯⋯A、只是修改B、只是插入C、只是删除D、修改、插入、删除
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单选题The cooperative announced last week that due to increasing sales in the tri-county area, it would distribute a quarterly dividend of more than twice the usual amount to all of its members.A
The cooperative announced last week that due to increasing sales in the tri-county areaB
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单选题如果要从数据库中删除触发器,应该使用SQL语言的命令()。A
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DISABLE TRIGGER
考题
单选题以下触发器是当对[employee表]进行()操作时触发。Create Trigger abc on employeeFor insert,update,deleteAs⋯⋯A
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判断题BSC中用来进行话音代码转换的单元是TRI。A
对B
错
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