移动端

  • 题王微信公众号

    题王微信公众号

    微信搜“题王网”真题密题、最新资讯、考试攻略、轻松拿下考试

单选题

Two database users, Jack and Bill, are accessing the SupportCenter STAFF table of the SupportCenter DB database. When Jack modifies a value in the table, the new value is invisible to Bill. Which is the modified value invisible to Bill?()

发布日期:2022-07-14

Two database users, Jack and Bill, are accessing t...
A

The modified data are not available on disk.

B

The modified data have been flushed out from memory.

C

The modified rows of the SupportCenter STAFF table have been locked.

D

Jack has not committed the changes after modifying the value.

E

Both users are accessing the database from two different machines.

标签: "暂无标签"

题王网让考试变得更简单

扫码关注题王,更多免费功能准备上线!