作业帮AsIstarttosmite,amottocomesintomymind,“Goodfriends
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are you helen?yes,i am.are you mike?no,i amot.这两个问句的特点
areyouhelen?yes,iam.areyoumike?no,iamot.这两个问句的特点areyouhelen?yes,iam.areyoumike?no,iamot.这两个问句的特点arey
帮我解释一下这条sql语句的意思select month01.pk_deptdoc as dept,month01.amot as month01,month02.amot as month02from(select h.pk_deptdoc,sum(expense_amot) as amot from te_expense_b b left join te_expense h on b.pk_expense=h.pk_expensewhere
帮我解释一下这条sql语句的意思selectmonth01.pk_deptdocasdept,month01.amotasmonth01,month02.amotasmonth02from(selec