SQLColumnNames[conn] returns a list of {table, name} pairs for each column in an SQL connection. SQLColumnNames[conn, table] returns a list of the columns in table. SQLColumnNames[conn, SQLTable[table]] returns a list of the columns in table. SQLColumnNa
xx- to certain columns, not these ones listedFROMINFORMATION_SCHEMA.COLUMNSWHEREtable_name=@translationTableNameANDcolumn_nameNOTIN('Language','Id','tVersion','IsSynchronized')ORDERBYordinal_position---DECLARE@updateNVARCHAR(4000)DECLARE@colNameNVARCHAR(128)DECLARE@conditionsNVARCHAR(128)DECLARE@appendQ...
SELECT T.NAMEAS[TABLENAME], C.NAMEAS[COLUMNNAME], P.NAMEAS[DATATYPE], P.MAX_LENGTHAS[SIZE], CAST(P.PRECISIONASVARCHAR) +'/'+ CAST(P.SCALEASVARCHAR)AS[PRECISION/SCALE] FROM SYS.OBJECTSAST JOIN SYS.COLUMNSASCONT.OBJECT_ID=C.OBJECT_ID JOIN SYS.TYPESASPONC.SYSTEM_TYPE_ID=P.SYSTEM_TY...
三、知道了约束名就可以删除约束了 ALTER TABLE @TableName DROP CONSTRAINT @CONSTRAINT_NAME 四、将上面的代码合并,于是有下面的代码 DECLARE @TableName NVARCHAR(64) = '' DECLARE @ColumnName NVARCHAR(32) = '' DECLARE @CONSTRAINT_Key SYSNAME SELECT @CONSTRAINT_Key = c.name FROM sysconstraints a inne...
(2) SQL 如何从 SQL 查询中提取表名和列名 - 极客教程. https://geek-docs.com/sql/sql-ask-answer/173_sql_how_to_extract_table_names_and_column_names_from_sql_query.html. (3) MS SQL查询所有表行数,获取所有数据库名,表名,字段名 - po-A - 博客园. https://bing.com/search?q=sql+%e8...
"explicit value must be specified for identity column in table" error in SQL 2000 "FROM clause have the same exposed names. Use correlation names to distinguish them" "No transaction is active." error when trying to send a transactional SQL statment over MSDTC "Restricted data type attribute...
修改表:ALTER TABLE 表名 修改选项 。选项集合: { ADD COLUMN <列名> <类型>-- 增加列ALTER TABLE 职员 ADD 年末奖金 Money NULL(为职员表添加列,列名为年末奖金,允许为空值,数据类型为货币数据类型。) | CHANGE [COLUMN] <旧列名> <新列名> <新列类型>-- 修改列名或类型 ...
SELECT column1, GROUP_CONCAT(column2 SEPARATOR ',') AS concatenated_values FROM your_table_name GROUP BY column1; 用法示例 合并每个部门的员工名字: 代码语言:javascript 复制 SELECT department_id, GROUP_CONCAT(employee_name SEPARATOR ', ') AS employee_names FROM employees GROUP BY department_id;...
table_names=[]column_names=[]function_names=[]alias_names=[]columns_rank=0sql=get_sqlstr('read_sql.txt')stmt_tuple=analysis_statements(sql)foreach_stmtinstmt_tuple:type_name=get_main_functionsql(each_stmt)#get_ASTTree(each_stmt)blood_table(each_stmt)blood_column(each_stmt)column_visus(...