public int findColumn(java.lang.String columnName) 參數 columnName String,包含資料行的名稱。 傳回值 指出資料行索引的 int。 例外狀況 SQLServerException 備註 這個findColumn 方法是由 java.sql.ResultSet 介面中的 findColumn 方法指定。 如果有多個資料行同名,findColumn 方法會傳回第一個區分大小寫的相符...
The sys.syslogins system table (SQL Server 2000) contains the following columns:ColumnExplanation sid This is the sid that was assigned in CREATE LOGIN statement status Not applicable createdate Date/time when Login was created using the CREATE LOGIN statement updatedate Date/time when Login was ...
The sys.sysusers system table (SQL Server 2000) contains the following columns:ColumnExplanation uid Unique numeric value status Not used name This is the user_name that was assigned in CREATE USER statement sid This is the sid that was assigned in CREATE LOGIN statement roles Not used create...
Here you will learn how to find gaps in the identity column values in a table in SQL Server. Consider the following Employee table has EmpID as identity column with seed value 1 and increment by 1.The above identity column EmpID has a missing value of 3. Let's see how to find it. ...
权限,分组表已经建好,但是又要实现不同产品需要不同等级不同分组的人员管理,在做数据库查询时,需要得到某字段中包含某个值的记录,但是它也不是用like能解决的,使用like可能查到我们不想要的记录,它比like更精准,查找资料后发现涉及到数据库的特有函数,候mysql的FIND_IN_SET函数就派上用场了,下面来具体了解一下...
For example, a 100 row table with a BIGINT column and an NVARCHAR(20) column might not exceed 100 * (8 + 2 * 20) = 4800 bytes. It might be true that if a table has a compressed size in SQL Server that's larger by some factor of S that it's extremely unlikely to fit in ...
SQL Server : find duplicates in ntext columnThis is a bit tricky, because as you write, it's...
Caused by: java.lang.IllegalStateException: can't find column in table. bo:com.kingdee.eas.hr.custom.performance.configuration.app.AppraisalIdentityRelationHR, prop:id at com.kingdee.bos.metadata.entity.EntityObjectInfo.innerGetMappingFieldOfProperty(EntityObjectInfo.java:1646) ~[sp-metadata.jar:] ...
--autoinc:表的auto_increment--avgrowlen:表的平均行长度--checksum:表的checksum--cmin:表的创建时间,以分钟为单位--ctime:表的创建时间,以天为单位--collation:表的排序规则--column-name:表的列名--column-type:表的字段类型--comment:表的注释--createopts:表的创建选项--datafree:表的剩余大小--datasiz...
1 row in set (0.00 sec) 4:查看当前数据库大小 例如,我要查看INVOICE数据库的大小,那么可以通过下面SQL查看 mysql> use information_schema Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A ...