有没有一种简单的方法可以使用 Ms 或 My SQL 服务器通过查询来提取表 DDL 信息? (最好两者都有?)
例如,使用MySQL Administrator / Navicat for MySql,有一个“DDL”函数,它生成“create table foo (....)”脚本。
有什么方法可以从查询本身获取这些信息,例如:
Select DDL from foo where table_name='bar';
有“创建表格栏(.....)”返回给我吗?
如果没有 - 有什么建议吗?
它是 mysql 特定的,但是
SHOW CREATE TABLE <table-name>
为您提供了表的 DDL。
你必须自己创建它。
可以查询
INFORMATION_SCHEMA.COLUMNS
获取列名和数据类型。
您无法以跨平台方式获取
CREATE Table
文本,但您可以从 INFORMATION_SCHEMA
视图中获取足够的信息来自行构建它。
我认为您正在寻找类似的东西。
这些查询生成的结果您可以复制和粘贴或用于自动化:
基于 “在 MySQL 数据库每个表的字段中搜索文本”的查询
SELECT
CONCAT('SHOW CREATE TABLE '
, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1), `TABLE_SCHEMA`, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1)
, CAST(CHAR(46) AS CHAR(8) CHARACTER SET LATIN1)
, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1), `TABLE_NAME`, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1)
, CAST(CHAR(59) AS CHAR(8) CHARACTER SET LATIN1)
) AS QUERY_GENERATOR
FROM `INFORMATION_SCHEMA`.`TABLES`
WHERE
UPPER(`TABLE_SCHEMA`)
NOT IN (
'INFORMATION_SCHEMA'
, 'MYSQL'
, 'PERFORMANCE_SCHEMA'
, 'SAKILA'
, 'SYS'
, 'WORLD'
)
AND UPPER(`TABLE_TYPE`) = 'BASE TABLE'
ORDER BY 1;
SELECT
CONCAT('SHOW CREATE VIEW '
, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1), `TABLE_SCHEMA`, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1)
, CAST(CHAR(46) AS CHAR(8) CHARACTER SET LATIN1)
, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1), `TABLE_NAME`, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1)
, CAST(CHAR(59) AS CHAR(8) CHARACTER SET LATIN1)
) AS QUERY_GENERATOR
FROM `INFORMATION_SCHEMA`.`TABLES`
WHERE
UPPER(`TABLE_SCHEMA`)
NOT IN (
'INFORMATION_SCHEMA'
, 'MYSQL'
, 'PERFORMANCE_SCHEMA'
, 'SAKILA'
, 'SYS'
, 'WORLD'
)
AND UPPER(`TABLE_TYPE`) = 'VIEW'
ORDER BY 1
;
SELECT
CONCAT('SHOW CREATE PROCEDURE '
, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1), `ROUTINE_SCHEMA`, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1)
, CAST(CHAR(46) AS CHAR(8) CHARACTER SET LATIN1)
, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1), `ROUTINE_NAME`, CAST(CHAR(96) AS CHAR(8) CHARACTER SET LATIN1)
, CAST(CHAR(59) AS CHAR(8) CHARACTER SET LATIN1)
) AS QUERY_GENERATOR
FROM `INFORMATION_SCHEMA`.`ROUTINES`
WHERE
UPPER(`ROUTINE_SCHEMA`)
NOT IN (
'INFORMATION_SCHEMA'
, 'MYSQL'
, 'PERFORMANCE_SCHEMA'
, 'SAKILA'
, 'SYS'
, 'WORLD'
)
ORDER BY 1
;