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...
@@FETCH_STATUS in nested loops @@ServerName returns wrong value in SQL SERVER 2008 ##TempTable and INSERT-SELECT FROM an existing Table with an IDENTITY column %rowtype equivalent in SQL server ++ operator in TSQL - bug or feature? 2 tables referencing each other using foreign key.is it ...
AI代码解释 --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...
To retrieve all Logins in SQL Server, you can execute the following SQL statement:SELECT * FROM master.sys.sql_logins;The sys.sql_logins view contains the following columns:ColumnExplanation name This is the login_name that was assigned in CREATE LOGIN statement principal_id Numeric value sid ...
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. ...
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 ...
To find the constraint name in SQL Server, use the viewtable_constraintsin theinformation_schemaschema. The columntable_namegives you the name of the table in which the constraint is defined, and the columnconstraint_namecontains the name of the constraint. The columnconstraint_typeindicates the ...
To retrieve all Users in SQL Server using the SQL Server 2000 system tables, you can execute the following SQL statement:SELECT * FROM master.sys.sysusers;The sys.sysusers system table (SQL Server 2000) contains the following columns:ColumnExplanation uid Unique numeric value status Not used ...
i find out which tables in which databases have a column with a given name in SQL Server ...
created then your column_name has only unique values. If there are dupes in your column_name, ...