On Monday, you dropped the DEPT table from your schema and then you re-created the DEPT table in your schema. On Wednesday, you have a requirement to restore the DEPT table from the recycle bin. Which statement is correct?()
A. You can restore the DEPT table by using the Oracle Flashback Drop feature, provided you use the RENAME TO clause.
B. You can restore the DEPT table by using the Oracle Flashback Drop feature and a system-generated name will be assigned to the restored table.
C. You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table with the name DEPT already exists in your schema.
D. You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.
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家庭经济困难幼儿每生每年生活补助金应为()元。
A. 1000
B. 750
C. 1250
D. 800
教育合同的变更不影响当事人请求损害赔偿的权利。变更本身给一方当事人造成损害的,另一方当事人也应对此承担赔偿责任。
A. 正确
B. 错误
GJ-25表示标称截面积为25mm2的铜绞线。
A. 正确
B. 错误