User A issues the command: LOCK TABLES pets READ; Which command can User B execute against the pets table?（）
- A、UPDATE pets…
- B、SELECT….FROM pets
- C、INSERT INTO pets…
- D、ALTER TABLE pets…
正确答案:B
答案解析:有
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Oracle认证考试
Oracle认证考试
User A issues the command: LOCK TABLES pets READ; Which command can User B execute against the pets table?（）
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