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58、(16-1) choose the best answer: Examine the structure of the BOORSTRANSACTIONS table: Examine the SQL statement: SQL> SELECT FROM books_transactions 阅读全文
posted @ 2019-03-05 11:35
cnblogs_5359
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57、(14-17) choose two: Examine the structure of the DEPARTMENTS table You execute the following command: SQL> ALTER TABLE departments SET UNUSED (coun 阅读全文
posted @ 2019-03-05 10:21
cnblogs_5359
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