题目内容
当用户对表中的数据进行下面哪种操作时不可使触发器自动触发执行______。
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设在某SQL Server 2000数据库中有选课表(学号，课程号，成绩)，该表有如下数据： 学号课程号成绩S01C0170S01C0255S02C0170 设在成绩列上定义了一个由UPDATE操作触发的触发器，该触发器用于禁止将不及格成绩(小于60)改为及格(大于60)。若执行语句： ·UPDATE选课表SET 成绩=成绩+10 WHERE 学号=’S01’ 则系统为该触发器生成的临时工作表及内容是______。
创建触发器时，以下说法错误的是______。
以下关于内嵌表值函数说法错误的是______。
I won"t be modest. I am gratified to discover that a paper I penned on inequality made its way into Matt Miller"s Washington Post column last week. Mr Miller asks why rising inequality has not【C1】______America"s least-favored classes to agitate for a【C2】______He agrees with my verdict: that access to【C3】______goods among the least well-off has ensured that material inequality is not as【C4】______as income inequality. 【C5】______modem conveniences have taken some of the【C6】______out of a relatively small income. This in turn has【C7】______the drive to seek causes of and cures for【C8】______"s discomfort. So the gap between rich and poor is sometimes less【C9】______, even if it is great and growing. Day-to-day experience is mostly a matter of our【C10】______circumstances, and if those are【C11】______enough, a widening gap in income, consumption or wealth is【C12】______to come often to our attention. Even if the abstract fact of rising inequality does come across our radar, it may【C13】______our sense of justice only if we"ve become convinced that inequality itself is【C14】______, or if we face related catastrophes. When I wrote the paper, official measures of income inequality had increased a good deal over the past few decades【C15】______consumption inequality seemed to have remained【C16】______New research suggests that consumption inequality has been increasing with income inequality【C17】______This may be true, but it seems【C18】______to the question of why America"s poor aren"t storming the barriers. The consumption data concerns how much we【C19】______, not how we experience what we buy, and that"s the real issue. Even if we could agree that inequality in real standards of living is rising, this is not something we actually experience unless we are hungry, or【C20】______with the entertainments of our leisure. 【C9】
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