以下哪种隔离级别属于“读未提交”？ A: READ UNCOMMITTED B: READ COMMITTED C: REPEATABLE READ D: SERIALIZABLE

READ COMMITTED会读取到其他事务中未提交的数据

当事务的隔离级别为以下级别时，可能出现脏读问题的是（ ）。 A: Read Uncommitted B: Read Committed C: Repeatable Read D: Serializable

在SQL标准所定义的4种隔离级别，(<br/>)是系统默认的。 A: READ<br/>UNCOMMITTED B: READ<br/>COMMITTED C: REPEATABLE<br/>READ D: SERIALIZABLE

SQL-99标准规定的事务的4个隔离级别中，能解决读脏数据现象的级别是______。 A: READ UNCOMMITTED B: READ COMMITTED C: REPENTABLE READ D: SERIALIZABLE

The categories of isolation generally include _________, _________ and ___________. A: geographical isolation B: artificial isolation C: ecological isolation D: isolation of breeding season

He finally realized that his idea of learning to read and write in English well in three months was just an _____. A: identification B: intimacy C: illusion D: isolation

He had thought of _________ the people’s cause, but he ended up ________an offense. A: being committed to, committing B: committing to, committing C: being committed to, committed D: committing to, committed

生殖隔离（reproductive isolation）

Loneliness and isolation are the features of the land.