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![Join (SQL) - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_24.jpeg)
Join (SQL) - Wikipedia, the free encyclopedia
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日期:2024-07-10
A SQL join clause combines records from two or more tables in a database. It creates a set that can be saved as a table or used as it is. A JOIN is a means for combining fields from two tables by using values common to each. ANSI-standard SQL specifies fi...看更多