Is it the years____ you worked in the factory ____have a good effect on your literary works?
A. that; where
B. that; that
C. when; where
D. when; that
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It was _____ the exam results were known _____ a lot of time on computer games.
A. until; did the boy begin to regret having wasted
B. not until; that the boy began to regret to have wasted
C. not until; that the boy began to regret wasting
D. until; did the boy begin to regret to waste
( )操作是把已经存在磁盘的数据库文件恢复到数据库管理系统。
A. 附加数据库
B. 删除数据库
C. 分离数据库
D. 压缩数据库
SQL Server数据库的主数据文件的扩展名( )。
A. .sql
B. .mdf
C. .mdb
D. .db
下面那些数据库不能分离操作( )。
A. bookDB
B. Test
C. Model
D. xjglxt