如需有關鎖定的詳細資訊,請參閱<Database Engine 中的鎖定>。 範例 下列範例會刪除 SalesPersonQuotaHistory 資料表中的所有資料列,因為並未利用 WHERE 子句來限制刪除的資料列數。 USE AdventureWorks2008R2; GO DELETE FROM Sales.SalesPersonQuotaHistory; GO ...
Deletes a SQL view from the current database. DELETE VIEW ViewName Parameters ViewName Specifies the name of the view deleted from the current database. Remarks Use CREATE SQL VIEW to create a SQL view and add the view to the current database. If a SQL view is opened and then deleted,...
Select a view. From the toolbar, click Delete. You will receive a confirmation message that you want to delete the selected Data View. Notes: You cannot delete Published Data Views. You must change the Status to Draft to be able to delete a Data View. Although deletion of a data view ...
int k = 0; foreach (DataGridViewRow dgvR in StockView.Rows) { DataGridViewCheckBoxCell CbxCell = (DataGridViewCheckBoxCell)dgvR.Cells[0]; if (Convert.ToBoolean(CbxCell.Value) == true) { SqlCommand cmd = new SqlCommand ("Delete from Studenttable where ID='"+ StockView.Rows[k].Cells[...
使用DELETE 语句从表中删除一行或多行,或者在 SPL 或 GBase 8s ESQL/C 的集合变量中删除一个或多个元素。 语法 用法 使用DELETE 语句移除以下任意类型的数据库对象或程序对象: 表中或视图中的行:一行,一组行或所有的行 集合数据类型的列中的元素
For that reason, you should back up your database before you delete any table fields or other database components. Delete from Datasheet view Open the table in Datasheet View. Locate the Yes/No field, right-click the header row (the name), and then click Delete Field. ...
For that reason, you should back up your database before you delete any table fields or other database components. Delete from Datasheet view Open the table in Datasheet View. Locate the multivalued field, right-click the header row (the name), and then click Delete Field. Click ...
| schema_name. ] table_or_view_name } syntaxsql Copier -- Syntax for Azure Synapse Analytics and Microsoft Fabric [ WITH <common_table_expression> [ ,...n ] ] DELETE [database_name . [ schema ] . | schema. ] table_name FROM [database_name . [ schema ] . | schema. ] table...
The object is deleted from the database project in bothSolution ExplorerandSchema View. If the database project is under version control, when you delete the object, the project file will be checked out. If the object you deleted had child objects, such as indexes or keys on a table, the...
The name of the user table containing the data to be deleted. DML statements are only supported in the defaultuser view. Each statement can only run on a single table. AStable_alias (Optional) A user-defined alias that ranges over a table to be deleted from. TheASkeyword is optional. ...