Alter Table Modify SQL Example This sample illustrates use of ALTER TABLE statement with MODIFY option. This SQL script contains eight queries. First one deletes table named "MyTable". The second creates this table with 2 fields. Queries 3 - 6 insert some data into the table....
The following SQL command deletes the clustered indexCIX_EmpDetails_EmpIdon theEmployeeDetailstable. Example: Delete Clustered Index Copy DROP INDEX CIX_EmpDetails_EmpId ON dbo.EmployeeDetails The following SQL statement deletes the non-clustered indexNCI_Employee_Emailon theEmployeetable. Example: Del...
Click the plus sign to expand SQL Server Agent. 單擊加號展開 Proxies 資料夾。 Click the plus sign to expand the subsystem node for the proxy (for example, ActiveX Script). 以滑鼠右鍵按下您要修改的 Proxy 帳戶,然後選取 [屬性] 。 在[proxy_nameProxy 帳戶屬性] 對話框中,視需要變更 Proxy 帳戶...
The following T-SQL script deletes a primary keyPK_Employee_EmployeeIDfrom theEmployeetable. Example: Delete a Primary Key Copy ALTER TABLE Employee DROPCONSTRAINTPK_Employee_EmployeeID; Delete a Primary Key using SSMS In the Object Explorer, expand the table that contains the primary key to be...
Only set @join_unique_key to 1 if you have a constraint on the joining column in the underlying table for the parent article that guarantees uniqueness. If @join_unique_key is set to 1 incorrectly, non-convergence of data may occur. Examples (Transact-SQL) This exampl...
InObject Explorer, connect to an instance of Database Engine. On the Standard bar, selectNew Query. Copy and paste the following example into the query window and selectExecute. SQLΑντιγραφή CREATETABLEdbo.doc_exy (column_aINT); GOINSERTINTOdbo.doc_exy (column_a)VALUES(10); ...
Input Example POST/ HTTP/1.1Host:vod.tencentcloudapi.com Content-Type:application/json X-TC-Action:ModifyMediaInfo <Common request parameters> {"Name":"New video","FileId":"123"} Output Example {"Response": {"CoverUrl":"http://123.vod2.myqcloud.com/vodgzp123/15517123183853310575/GMOrxp.jp...
Shared schedules are easier to maintain and give you more flexibility in managing scheduled operations. For example, you can pause and resume shared schedules. Also, if you find that too many scheduled operations are running at the same time, you can create multiple shared schedules. These schedu...
The script is run by launching the sqlcmd utility. Before deploying a script, run it with sqlcmd to ensure it executes as expected. The contents of scripts that are executed before and after the snapshot is applied must be repeatable. For example, if you create a table in the script, ...
Consider another example that uses the Cars table. Suppose that you want to make sure that no two records in the Cars table have the same set of values for Name, Year, Condition, and Price. You could create a UNIQUE constraint that applies to these f...