1.先提取备份数据中的前50行出来,查看一下备份数据格式 head -50 bakdb.sql > head50.txt 类似下面的数据是我们所需要提取的: /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; /*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; /*!40101 SET @
一.问题发现 命令行进入数据库实例手动给某张表进行alter操作,发现如下报错. mysql> use xx_xxx; No connection. Trying to reconnect... Connection Current database: *** NONE *** Reading table information for completion of table and column names You can turn off this feature to get a quic
sqlserver版: 查询当前数据库下所有表名: select * from sys.tables; 查询当前库下,一张表的表名,字段名,字段类型,字段长度: select a.name 表名,b.name 字段名,c.name 字段类型,c.length 字段长度 from sysobjects a,syscolumns b,systypes c where a.id=b.idand a.name='DSE_SYS_DISTRICT' and a.xtype='U'and b.xtype=c
--找到存放dbf文件的路径--E:\oracle\product\10.2.0\oradata\orcl--可以通过此语句进行查询select * from v$datafile; --创建表空间create tablespace cxjm logging datafile 'E:\oracle\product\10.2.0\oradata\orcl\cxjm.dbf' size 50m autoextend on extent management local; drop user cxjm
系统控制台——业务单据定制——货位间商品移库单(一步) 明细字段——增加“可销数量”字段. 然后修改明细字段的“商品编号”自定义查询方案. 增加自定义资料检索方案hwyksp SQL: select b.spbh,b.spmch,b.zjm,b.sptm,b.lshj,a.hwshl as kxshl,a.chbdj,b.gys,b.gys as shengccj from hwsp a left join spkfk b on a.spid=b.spid left join huoweizl
select [name] from [TPMS_PRD].[dbo].sysobjects where id in(select id from [TPMS_PRD].[dbo].syscolumns Where name='supplierid') 包含SupplierId这个字段的所有表 格式如下: select [name] from [库名].[dbo].sysobjects where id in(select id from [库名].[dbo].syscolumns Where