ALTER TABLE "table_name" RENAME COLUMN "column 1" TO "column 2";Let's look at the example. Assuming our starting point is the Customer table created in the CREATE TABLE section: Table Customer Column Name Data Type First_Name char(50) Last_Name char(50) Address char(50) City ...
SQL 複製 EXEC sp_rename 'dbo.ErrorLog.ErrorTime', 'ErrorDateTime', 'COLUMN'; 請注意輸出警告,並確認其他物件或查詢未中斷:輸出 複製 Caution: Changing any part of an object name could break scripts and stored procedures. 如需詳細資訊,請參閱 sp_rename。相關內容...
为RenameColumnOperation生成SQL。应使用 Statement 方法添加生成的 SQL。 C# 复制 protected virtual void Generate (System.Data.Entity.Migrations.Model.RenameColumnOperation renameColumnOperation); 参数 renameColumnOperation RenameColumnOperation 要为其生成 SQL 的操作。 适用于 Entity Framework 6.2.0 产品...
Describe the bug Cannot parse column rename sql without COLUMN keyword. To Reproduce Steps to reproduce the behavior: Example SQL ALTER TABLE table_a RENAME col_a TO col_b; Parsing this SQL using JSqlParser with this statements CCJSqlParserUtil.parse("ALTER TABLE table_a RENAME col_a TO ...
ALTERTABLEdbo.MyTableALTERCOLUMNMyStringVARCHAR(50)COLLATELatin1_General_100_CI_AI_SC_UTF8; 将数据复制到使用新的排序规则的新表中,并替换同一数据库中的原始表。 在当前数据库中创建一个将继承数据库排序规则的新表,在旧表与新表之间复制数据,删除原始表,然后将新表重命名为原始表的名称。 该操作比就地...
Oracle数据库应该没问题的。提示的错误信息是什么？Sql Server 可以用 exec sp_rename '表名称.原列名','新列名','column';
sp_rename [ @objname = ] 'object_name' , [ @newname = ] 'new_name' [ , [ @objtype = ] 'OBJECT' ] 引數[ @objname = ] 'object_name'用戶物件或數據類型的目前限定或非限定名稱。 如果要重新命名的對像是數據表中的數據行,object_name必須是 form table.column 或schema.table.column。
[PK_Department_DepartmentID]; ALTER TABLE Test.Department DROP COLUMN DepartmentID; GO EXECUTE sp_rename 'Test.Department.DepartmentIDNew', 'DepartmentID', 'COLUMN'; GO ALTER TABLE Test.Department ALTER COLUMN DepartmentID SMALLINT NOT NULL; ALTER TABLE Test.Department ADD CONSTRAINT PK_Department...
ALTER TABLE table_name { ADD COLUMN clause | ALTER COLUMN clause | DROP COLUMN clause | RENAME COLUMN clause } JDBC数据源不支持此子句。 向表添加一列或多列,或将字段添加到 Delta Lake 表中的现有列。 备注 向现有 Delta 表添加列时,无法定义DEFAULT值。 对于现有行,添加到 Delta 表...
Is the name of a column in the table. Column names must follow the rules foridentifiersand must be unique in the table. column_name can be up to 128 characters. column_name can be omitted for columns that are created with a timestamp data type. If column_name is not specified, the ...