MySQL replication 复制中主机和从机是通过什么进行数据同步的（)

双向复制(bidirectinal replication)

复制(replication)

滚环复制(rolling circle replication)

RNA复制(RNA replication)

半保留复制(semi-conservative replication)

Parallelism appears in the following forms except ______.

A．lookahead, pipelining, data parallelism

B．vectorization, concurrency, partitioning

C．simultaneity, overlapping, replication

D．multitasking, miniturization, digitalisation

A.user表

B.db表

C.procs_priv表

D.tables_priv表

A.max_questions

B.max_updates

C.max_updates

D.max_user_connections

A.master

B.model

C.tempdb

D.mysql

A.mysqldump

B.mysql

C.copy

D.mysqlimport