CREATE VIEW --创建一个视图 DROP VIEW --从数据库中删除视图 CREATE INDEX --为数据库表创建一个索引 DROP INDEX --从数据库中删除索引 CREATE PROCEDURE --创建一个存储过程 DROP PROCEDURE --从数据库中删除存储过程 CREATE TRIGGER --创建一个触发器 DROP TRI
private Button btn = new Button(); private void Form1_Load(object sender, EventArgs e) ...
N'IsUserTable')=1)BEGINdropTABLEtbnameEND--存储过程IFexists(SELECT1fromsys. sysobjectswhereid=object_id(N'System_GetTableCreateSql')ANDOBJECTPROPERTY(id, N'IsProcedure')=1)BEGINdropPROC
if exists(select name from sysobjects where name='large_order') drop function large_order go --下面开始建立函数large_order,输入一个货币参数,返回查询订单表 Create function large_order(@higher_than money) Returns @order_table table/*定义返回数据表*/ (客户名称 char(255),产品名称 varchar(10),定...
EXEC (@sql) CREATE TABLE #SpaceUsed (tableName NVARCHAR(254), rows varchar(11), reserved varchar(18), data varchar(18), index_size varchar(18), unused varchar(18)) DECLARE @tableName NVARCHAR(254) SELECT @tableName = N'' WHILE EXISTS (SELECT * FROM #tables WHERE tableName > @tableNa...
此示例使用 R 中的 RevoScaleR 创建一个模型,然后调用 T-SQL 中的实时预测函数。 步骤1。 准备并保存模型 运行以下代码以创建示例数据库和所需的表。 SQL 复制 CREATE DATABASE NativeScoringTest; GO USE NativeScoringTest; GO DROP TABLE IF EXISTS iris_rx_data; GO CREATE TABLE iris_rx_data ( "Sepa...
cannot create an index on a view Cannot create an instance of OLE DB provider Error 7302. Cannot detach the database 'BDEV' because it is currently in use. Cannot drop a SQL Database cannot drop database because currently its in use cannot drop table cannot find tables in SSMS? Cannot ...
cannot create an index on a view Cannot create an instance of OLE DB provider Error 7302. Cannot detach the database 'BDEV' because it is currently in use. Cannot drop a SQL Database cannot drop database because currently its in use cannot drop table cannot find tables in SSMS? Cannot ...
SQLIndexSchema De naam van de tabel waaraan deze index is gekoppeld. table— Eigenschap, klasse flash.data.SQLTriggerSchema De naam van de tabel waarvoor trigger is gedefinieerd of de naam van de weergave als de trigger is gedefinieerd voor een weergave. table— Eigenschap, klasse ...
Exists Find FindAll FindIndex FindLast FindLastIndex ForEach GetEnumerator GetRange IndexOf Insert InsertRange LastIndexOf Remove RemoveAll RemoveAt RemoveRange Reverse Slice Sort ToArray TrimExcess TrueForAll 显式接口实现 OrderedDictionary<TKey,TValue>.Enumerator ...