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54题、choose two Which two statements describe the relationship between a scheduler window, a resource manager plan, and a job class? A) A scheduler win 阅读全文
posted @ 2019-06-27 14:03
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53题、choose two The HR user executes the following query on the EMPLOYEES table but does not issue COMMIT, ROLLBACK, or any data definition language (D 阅读全文
posted @ 2019-06-27 13:16
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