最初，咱们需要通过以下敕令来检查MySQL就业器是否运转：

ps-ef|grepmysqld

如若MySql照旧运转，以上敕令将输出mysql进度列表，如若mysql未运转，你不错使用以下敕令来运转mysql就业器:

mysql-uroot-p

插足或退出MySQL就业器,你不错本质以下敕令:

root@localhost>showdatabase;

ERROR1064(42000):YouhaveanerrorinyourSQLsyntax;checkthemanualthatcorrespondstoyourMySQLserverversionfortherightsyntaxtousenear'database'atline1

root@localhost>showdatabases;

Database

information_schema

mysql

performance_schema

sys

4rowsinset(0.00sec)

root@localhost>usemysql;

Readingtableinformationforcompletionoftableandcolumnnames

Youcanturnoffthisfeaturetogetaquickerstartupwith-A

Databasechanged

root@localhost>^C

root@localhost>exit