CREATE OR REPLACE VIEW view_name AS SELECT column1, column2, ... FROM table_name WHERE condition; 以下SQL将 "City" 列添加到 "Brazil Customers" 视图中:实例 CREATE OR REPLACE VIEW [Brazil Customers] AS SELECT CustomerName, ContactName, City FROM Customers WHERE Country = 'Brazil'; 亲自...
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You can add SQL statements and functions to a view and present the data as if the data were coming from one single table. A view is created with theCREATE VIEWstatement. CREATE VIEW Syntax CREATEVIEWview_nameAS SELECTcolumn1,column2, ... ...
Create View: CREATE VIEW emp_view ASSELECT empid, empnameFROM empWHERE empid>5;select * from emp_view Drop view: Drop view view_name; 2 Rajanikant Hawaldar 32 38.8k 443.9k 5y Please refer these links for simple understanding https://www.w3schools.com/sql/sql_view.asp http://www.mys...
Hi all, I'm only moderately experienced with writing SQL queries (I'm much more of an excel guy) so please bear with. I am trying to create a view based upon joining 5 tables, which is simple enough. But the issue is that a row in this view is only…
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MySQL CREATE VIEW 语句在SQL 中,视图是基于 SQL 语句结果集的虚拟表。视图包含行和列,就像真正的表一样。 视图中的字段是来自数据库中一个或多个真实表的字段。您可以将 SQL 语句和函数添加到视图中,并像数据来自单个表一样呈现数据。使用CREATE VIEW 语句创建视图。CREATE...
CREATEORREPLACEVIEW[Brazil Customers]AS SELECTCustomerName, ContactName, City FROMCustomers WHERECountry ="Brazil"; Try it Yourself » DROP VIEW TheDROP VIEWcommand deletes a view. The following SQL drops the "Brazil Customers" view: Example ...
Exercise: SQL Create TableWhat is the primary purpose of the SQL CREATE TABLE statement?To create a new table in a database To insert data into a table To join a table To delete a table from a databaseSubmit Answer » What is an Exercise? Test what you learned in the chapter: ...