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mysql取得数据库所有表名和字段注释_MySQL

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mysql取得数据库所有表名和字段注释

 

1、取字段注释 

Java代码  

Select COLUMN_NAME 列名, DATA_TYPE 字段类型, COLUMN_COMMENT 字段注释  

from INFORMATION_SCHEMA.COLUMNS  

Where table_name = 'companies'##表名  

AND table_schema = 'testhuicard'##数据库名  

AND column_name LIKE 'c_name'##字段名   

 

2、取得表注释

Java代码  

Select table_name 表名,TABLE_COMMENT 表注释 from INFORMATION_SCHEMA.TABLES Where table_schema = 'testhuicard' ##数据库名   

AND table_name LIKE 'companies'##表名   

 

mysql手册:23.1. INFORMATION_SCHEMA表

3、取得某数据库下所有表的注释

Java代码  

$tt = mysql_query("show table status;");  

$table_info=array();  

while($re = mysql_fetch_array($tt,MYSQL_ASSOC)){  

                 //$re["Comment"],这个就是表的注释  

                 $table_info[] = $re;  

 } ......  

 

更新自增值 ALTER TABLE [Table]members AUTO_INCREMENT=10000

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