首页select sid from choices where cid=’1-428’ _______________ select sid from choices where cid=’2-669’

select sid from choices where cid=’1-428’ _______________ select sid from choices where cid=’2-669’

时间: 2024-05-19 11:13:59 浏览: 22

jangrayhood.zip_Necessary Knowledge

It is important to understand how your programming language is implemented. Such knowledge dispels the fear and wonder of “What on earth is the compiler doing here?” imparts confidence to use the new features and provides insight when debugging and learning other language features. It also gives a feel for the relative costs of different coding choices that is necessary to write the most efficient code day to day.

Without more context, it is difficult to determine what is being asked. These are two separate SQL queries selecting the sid column from the choices table where the cid column matches a certain value. Is there a specific question or task associated with these queries?

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