MySQL语法大全_自己整理的学习笔记 select * from emp; #凝视 #--------------------------- #----命令行连接MySql--------- #启动mysqlserver net start mysql #关闭 net stop mysql #进入 mysql -h 主机地址 -u username -p 用户password #退出 exit #--------------------------- #----MySql用户管理--…
MySQL · 引擎特性 · InnoDB 崩溃恢复过程 enum { SRV_FORCE_IGNORE_CORRUPT = 1, /*!< let the server run even if it detects a corrupt page */ SRV_FORCE_NO_BACKGROUND = 2, /*!< prevent the main thread from running: if a crash would occur in purge, this prevents it…
SHOW DATABASES;USE LangLibCEE;SHOW TABLES;SHOW COLUMNS FROM customers;DESC customers; SHOW STATUS WHERE Variable_name LIKE '%time';SHOW CREATE DATABASE httprunner;SHOW CREATE TABLE t; SHOW GRANTS;SHOW ERRORS;SHOW WARNINGS; SELECT prod_name FROM produ…
SHOW DATABASES;USE LangLibCEE;SHOW TABLES;SHOW COLUMNS FROM customers;DESC customers; SHOW STATUS WHERE Variable_name LIKE '%time';SHOW CREATE DATABASE httprunner;SHOW CREATE TABLE t; SHOW GRANTS;SHOW ERRORS;SHOW WARNINGS; SELECT prod_name FROM produ…
1. PHP is Hypertext Preproocessor. 2. Hello World: <?php Echo ‘Hello World!’; ?> 3. 标记风格: a) <?php ?> b) <script language=”php”></script> 4. 注释: a) // b) /**/ c) # 5. 数据类型: a) …
CREATE TABLE students(student_id INT UNSIGNED, name VARCHAR(30), sex CHAR(1), birth DATE, PRIMARY KEY(student_id)); INSERT INTO students(student_id, name, sex, birth) VALUES(41048101, 'Lucy Green', '1', '1990-02-14'); SELECT name FROM students WHERE…