如果是create table like,则execute command的时候会调用mysql_create_like_table,这里会打开源表(like之后的表,open_tables());之后开始开始创建新的表定义文件,创建新的表定义文件前会持有LOCK_open,创建完就释放;如果源表是information_schema的表,则通过mysql_create_l
首先我们运行MySQL8.0 Command,进入后需要输入密码,之后我先选择查看当前数据库中服务器中所有的数据库:show databases;(请别忘记了后面的分号) 如上这些都是系统自带的数据库,不用管。接下来创建我们需要的数据库,我创建一个存放学生-课程信息的数据库stu_cour:create database stu_cour; 接下来我们开始建表,建表...
选择“开始”→“程序”→“MySQL”→“MySQL 8.0 Command Line Client ”,打开 MySQL Command Line Client 进入提示输入密码的界面,如图所示。 MySQL 命令行窗口 输入正确的密码后,登录到 MySQL 软件,如果以这种方式登录 MySQL,需要保证 MySQL 服务处于启动状态。 3创建数据库...
PT_table_elementand sub classes, for the columns, indexes, etc. The collection of nodes returned after the bison parsing is known as the "Abstract Syntax Tree" that represents a SQL query. Sql command Once the bison parser has finished parsing a query text, the next step is to build a ...
(\s) Get status information from the server.system (\!) Execute a system shell command.tee (\T) Set outfile [to_outfile]. Append everything into given outfile.use (\u) Use another database. Takes database name as argument.charset (\C) Switch to another charset. Might be needed for ...
CREATE TABLE new_tbl LIKE orig_tbl; For more information, see Section 13.1.18.3, “CREATE TABLE ... LIKE Statement”. [AS] query_expression To create one table from another, add a SELECT statement at the end of the CREATE TABLE statement: CREATE TABLE new_tbl AS SELECT * FROM orig...
edit (\e) Edit command with $EDITOR. --编辑缓冲区的上一条SQL语句到文件,缺省调用vi,文件会放在/tmp路径下 ego (\G) Send command to MariaDB server, display result vertically. --控制结果显示为垂直显示 exit (\q) Exit mysql. Same as quit. --退出mysql ...
? (\?) Synonym for `help'. clear (\c) Clear the current input statement. connect (\r) Reconnect to the server. Optional arguments are db and host. delimiter (\d) Set statement delimiter. ego (\G) Send command to mysql server, display result vertically. ...
# 导数命令MYSQL>LOADDATALOCALINFILE'test.csv'INTOTABLEsbtest1FIELDSTERMINATEDBY','LINESTERMINATEDBY'\n'(id,name);# 报错信息ERROR1148(42000):The used command is not allowedwiththisMySQL version 2.3.2 问题分析解决 LOAD DATA LOCAL INFILE导入数据的权限是由参数 local_infile 控制的。在MySQL 5.7中,这...
假设我们已经使用 MySQL 创建了一个用户,并为该用户授予了合适的权限,例如CREATE权限。然而,当我们尝试使用该用户创建一个表时,可能会收到类似以下的错误信息: ERROR 1142 (42000): CREATE command denied to user 'user'@'host' for table 'table'