A useful scenario is to use a UNION ALL view to model a merger, where each branch of the UNION ALL operation represents data from a branch or division of a company.
一个有用的场景是使用UNION ALL视图来为合并建模,其中UNION ALL操作的每个分支表示来自一个分公司或公司某部门的数据。
We can make a division more optimized if the divisor in a division operation is a power of two. The compiler USES a shift to perform the division.
如果除法运算中的除数是2的幂,我们对这个除法运算还可以进一步优化,编译器会使用移位运算来进行这种除法运算。
Bankers said although the alleged rogue trading occurred within the bank's previously well thought-of equities division, the meeting was told that there was no fundamental problem with that operation.
银行家说尽管违规交易出现在银行早期,思虑成熟的部门,会议中没有在操作上根本的问题。
应用推荐