WebDec 19, 2024 · SELECT (SELECT `AUTO_INCREMENT` FROM `information_schema`.`TABLES` WHERE `TABLE_SCHEMA` = 'mySchema' AND `TABLE_NAME` = 'myTable') - 1; which returns the wrong AUTO_INCREMENT. The problem is the TABLES table of information_schema is not updated with the current value, unless I … WebNov 22, 2024 · information_schema. 数据库 中的information_schema是用来作什么的:Information_schema 是我们安装了Mysql之后就会含有的一个数据库，这个库在mysql中就是个信息数据库，它保存着mysql 服务器 所维护的所有其他数据库的信息，包括了数据库名，表名，字段名等。. 在常规的sql ...

mysql隐藏information_mysql数据库中 …

WebSep 30, 2009 · For formatted output: describe [db_name.]table_name; For an SQL statement that can be used to create a table: show create table [db_name.]table_name; Share. Improve this answer. Follow. edited Sep 8, 2024 at 8:19. answered Sep 30, 2009 at 15:20. WebSep 14, 2012 · Of course information_schema.tables is more preferable than SHOW TABLES statement (which was used in old MySQL versions < 5.0). It gives more useful information, it is standard system schema (you can find similar schema in other databases, e.g. SQL Server). You can use standard SELECT statement to retrieve information from this … omc of axminster

MySQL :: MySQL Information Schema :: 2 Introduction

WebOct 14, 2008 · select * from INFORMATION_SCHEMA.TABLE_CONSTRAINTS where CONSTRAINT_TYPE = 'FOREIGN KEY'; You can view all constraints by using select * from information_schema.table_constraints; (This will produce a lot of table data). You can also use this for MySQL: show create table tableName; WebAug 24, 2024 · Information Schema提供的是当前项目的元数据视图，不支持跨项目的元数据访问。. 如果需要对多个项目的元数据进行统一查询、分析，需要分别获取各个项目中的元数据并整合在一起进行跨项目元数据分析。. 元数据系统表目前提供准实时视图，对元数据时效 … WebFeb 22, 2024 · 1 Schema概念. schema在 数据库 中表示的是数据库对象集合，它包含了各种对像，比如：表，视图，存储过程，索引等等。. 一般一个用户对应一个集合，所以为区 … is a printer input output or storage