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Associated query, a data table to an empty table

Time:09-16

Two tables, new data has been imported, the new table associated query no problem, and before building a table query, result countless according to the new table subquery, has associated conditions were determined

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The name of the table, the table structure and SQL posted up,

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Take a test data into two tables, and see whether the associated conditions are the same,

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Too many possibilities, rather than doubt the problem of database, question your operation went wrong

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The query is shown in figure

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Has two tables for the second time appear this kind of situation is not created at the same time, create can query at the same time, the other two different tables in addition to the name of the table are the same

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