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60题、choose one When does a database checkpoint occur? A) When there is an online redo log switch. B) When the SHUTDOWN ABORT command is issued. C) Whe 阅读全文
posted @ 2019-07-18 13:11
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59题、choose three Which three statements are true about naming methods? A) In the Easy Connect method, clients can connect to a database server by usin 阅读全文
posted @ 2019-07-18 10:55
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