目录 写在前面 根据数据库获取该数据库下所有的表名 根据表名获取列名与列值 写在前面 在实现某个功能的时候,需要使用MySql数据库获取某数据的所有的表名以及该表名的所有列名与列值. 根据数据库获取该数据库下所有的表名 select table_name from information_schema.tables where table_schema='数据库表名' 根据表名获取列名与列值 select ORDINAL_POSITION as Colorder,Column_Name as C
查询数据库中所有表名select table_name from information_schema.tables where table_schema='csdb' and table_type='base table'; 查询指定数据库中指定表的所有字段名column_nameselect column_name from information_schema.columns where table_schema='csdb' and table_name='users'
查询数据库中所有表名select table_name from information_schema.tables where table_schema='数据库名' and table_type='base table';查询指定数据库中指定表的所有字段名column_nameselect column_name from information_schema.columns where table_schema='数据库名' and table_name='表名'; #查看分布式系统中不同
SELECT (case when a.colorder=1 then d.name else null end) 表名, a.colorder 字段序号,a.name 字段名, (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 标识, (case when (SELECT count(*) FROM sysobjects WHERE (name in (SELECT name FROM
SQL语句获取数据库中的表主键,自增列,所有列 获取表主键 1:SELECT TABLE_NAME,COLUMN_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGEWHERE TABLE_NAME<>'dtproperties' 2:EXEC sp_pkeys @table_name='表名' 3: select o.name as 表名,c.name as 字段名,k.colid as 字段序号,k.keyno as 索引顺序,t.name as
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 WHERE ID=OBJECT_ID(' 表名' )SELECT * FROM INFORMATION_SCHEMA.TABLESSELECT * FROM INFORMATION_SCHEMA.VIEWS
因为特殊需要,需要获取dbf数据库中的表的名称.现有 如下解决办法 public List<string> GetTableFields(string path) { List<string> tables = new List<string>(); var dt = GetSchemaTable(ConnectionString); foreach (DataRow dr in dt.Rows) { tables.Add(dr["COLUMN_NAME&qu
Mysql 下面是mysql获取数据库所有表的语句 select table_name from information_schema.TABLES where TABLE_SCHEMA='Username' information_schema这个是数据系统用来保存数据表的总表 select table_name tableName, engine, table_comment tableComment, create_time createTime from information_sche
原文地址:http://blog.csdn.net/pukuimin1226/article/details/7687538 ----查询数据库中用户创建的表 ----jsj01 为数据库名 select name tablename from jsj01..sysobjects where type='U' and name not in ('dtproperties') --查询表里的字段信息 exec sp_help 对象名 ---docs为表名 select * from syscolu
use information_schema; SELECT DISTINCT t.table_name, t.engine '表引擎', t.table_rowsFROM TABLES tWHERE 1 = 1AND t.table_schema = 'mysql_database_name'-- 自己数据库的名字 AND t. ENGINE IS NOT NULLORDER BY t.table_name,t.table_rows ; SELECTt.TABLE_SCHEMA '数据库',t
select TABLE_NAME from ( select TABLE_NAME ,) as cnt from information_schema.tables where TABLE_SCHEMA in ('db_a','db_b') and (table_name not like '%2018%' and table_name not like '%2019%') group by TABLE_NAME ) t1 limit ;
CREATE TABLE #RowCounts(NumberOfRows BIGINT,TableName VARCHAR(128)) EXEC sp_MSForEachTable 'INSERT INTO #RowCounts SELECT COUNT_BIG(*) AS NumberOfRows, ''?'' as TableName FROM ?' SELECT TableName,NumberOfRowsFROM #RowCounts ORDER BY NumberOfRows DESC
select TABLE_NAME, concat(truncate(data_length/1024/1024,2),'MB') as data_size, concat(truncate(index_length/1024/1024,2),'MB') as index_size from information_schema.tables where TABLE_SCHEMA = '数据库名称' group by TABLE_NAME order by data_length desc;