mysql 查询库名,表名,主键名 select table_schema, table_name,column_name from INFORMATION_SCHEMA.KEY_COLUMN_USAGE t where t.table_schema='HIS466' ...
select col.table name,col.column name from information schema.table constraints tab, information schema.constraint column usage col where col.constraint name tab.constraint nameand col.table name tab. ...
2018-08-28 17:54 0 1730 推荐指数:
mysql 查询库名,表名,主键名 select table_schema, table_name,column_name from INFORMATION_SCHEMA.KEY_COLUMN_USAGE t where t.table_schema='HIS466' ...
查找指定库中所有表名 注:替换db_name为自己的数据库名 示例 ...
查询数据库中所有表名select table_name from information_schema.tables where table_schema='数据库名称';查询指定数据库中指定表的所有字段名column_nameselect column_name from ...
select relname as TABLE_NAME ,col_description(c.oid, 0) as COMMENTS from pg_class cwhere relkind = ' ...
SELECT table_name,table_type,table_schema FROM information_schema.TABLES WHERE table_schema = ...
SELECT sys.tables.name as TableName from sys.tables ...
查询数据库里所有表名和字段名的语句SQL 查询所有表名:SELECT NAME FROM SYSOBJECTS WHERE TYPE='U'SELECT * FROM INFORMATION_SCHEMA.TABLES查询表的所有字段名:SELECT NAME FROM SYSCOLUMNS ...
SELECT * FROM INFORMATION_SCHEMA.columns WHERE TABLE_NAME='Account'SELECT (case when a.colorder=1 then d.name else '' end) as 表名,--如果表名相同就返回 ...