分析:USE mysqlcrashcourse选择mysqlcrashcourse数据库,Database changed消息代表是mysql命令行程序选择数据库mysqlcrashcourse成功 注意:我们必须先使用USE打开对应的数据库,才能读取数据库中的数据。 了解数据库和表 如果不知道可以使用的数据库名时怎么办? 怎样能显示可用的数据库列表呢? 数据库、表、列、用户、权限等...
mysql> status---/usr/local/mysql/bin/mysql Ver 14.14 Distrib 5.7.27, for linux-glibc2.12 (x86_64) using EditLine wrapperConnection id: 11Current database:Current user: root@localhostSSL: Not in useCurrent pager: stdoutUsing outfile: '/tmp/tee.log'Using delimiter: ;Server version: 5.7.27...
--sigint-ignore Ignore SIGINT (CTRL-C). -o, --one-database Ignore statements except those that occur while the default database is the one named at the command line. --pager[=name] Pager to use to display results. If you don't supply an option, the default pager is taken from your...
展开来说,整数类型的长度警告信息为:Integer display width is deprecated and will be removed in a future,意思是int(11)这种写法已经过时了,应该直接写int,bigint 而字符集配置,在MySQL8.0里面默认是utf8mb4,如果我们手工写了utf8类型,会提示:'utf8' is currently an alias for the character set UTF8MB3,...
$ mysqlshow -u root -p db_learn Activity --count Enter password: Database: db_learn Table: Activity Rows: 99 +---+---+---+---+---+---+---+---+---+ | Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment | +---+---+---+---+---+-...
Display a help message and exit. --add-drop-database Command-Line Format --add-drop-database Write a DROP DATABASE statement before each CREATE DATABASE statement. --add-drop-table Command-Line Format --add-drop-table Write a DROP TABLE statement before each CREATE TABLE statement. ...
6.5.6 mysqlshow — Display Database, Table, and Column Information The mysqlshow client can be used to quickly see which databases exist, their tables, or a table's columns or indexes. mysqlshow provides a command-line interface to several SQL SHOW statements. See Section 15.7.7, “SHOW...
alter database db1 charset gbk; 1. 删 drop database db1; 1. 操作文件(表) use db1 ; 切换文件夹 select database; 查看当前所在文件夹 1. 2. 增 create table t1(id int,name char); 1. 查 #查看当前的这张t1表 show create table t1; #查看所有的表 show tables; #查看表的详细信息 desc...
-o, --one-database //忽视除了为命令行中命名的默认数据库的语句。可以帮跳过日志中的其它数据库的更新。 --pager[=name] //使用分页器来显示查询输出,这个要在linux可以用more,less等。 --no-pager //不使用分页器来显示查询输出。 -p, --password[=name] //输入密码 ...
Aurora MySQL database engine updates 2021-10-21 (version 2.10.1) (Deprecated) 2.10.1 CURRENT_TIMESTAMP PRODUCES ZEROS IN TRIGGER. (Bug #25209512) 2.10.0 Replication: -gtid-mode=ON -log-bin=OFF -slave-skip-errors Exec_Master_Log_Pos ...