Views have a couple of limitations. : Create View « View « SQL Server / T-SQL Tutorial

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SQL Server / T-SQL Tutorial » View » Create View 
16. 2. 4. Views have a couple of limitations.
they must be static, so they cannot contain any variables in the WHERE clause.
that they cannot be sorted with ORDER BY unless the TOP command is also used.
9>
10CREATE TABLE employee(
11>    id          INTEGER NOT NULL PRIMARY KEY,
12>    first_name  VARCHAR(10),
13>    last_name   VARCHAR(10),
14>    salary      DECIMAL(10,2),
15>    start_Date  DATETIME,
16>    region      VARCHAR(10),
17>    city        VARCHAR(20),
18>    managerid   INTEGER
19);
20> GO
1INSERT INTO employee VALUES (1'Jason' ,  'Martin', 5890,'2005-03-22','North','Vancouver',3);
2> GO

(rows affected)
1INSERT INTO employee VALUES (2'Alison',  'Mathews',4789,'2003-07-21','South','Utown',4);
2> GO

(rows affected)
1INSERT INTO employee VALUES (3'James' ,  'Smith',  6678,'2001-12-01','North','Paris',5);
2> GO

(rows affected)
1INSERT INTO employee VALUES (4'Celia' ,  'Rice',   5567,'2006-03-03','South','London',6);
2> GO

(rows affected)
1INSERT INTO employee VALUES (5'Robert',  'Black',  4467,'2004-07-02','East','Newton',7);
2> GO

(rows affected)
1INSERT INTO employee VALUES (6'Linda' ,  'Green' , 6456,'2002-05-19','East','Calgary',8);
2> GO

(rows affected)
1INSERT INTO employee VALUES (7'David' ,  'Larry',  5345,'2008-03-18','West','New York',9);
2> GO

(rows affected)
1INSERT INTO employee VALUES (8'James' ,  'Cat',    4234,'2007-07-17','West','Regina',9);
2> GO

(rows affected)
1INSERT INTO employee VALUES (9'Joan'  ,  'Act',    6123,'2001-04-16','North','Toronto',10);
2> GO

(rows affected)
1>
2select from employee;
3> GO
id          first_name last_name  salary       start_Date              region     city                 managerid
----------- ---------- ---------- ------------ ----------------------- ---------- -------------------- -----------
          Jason      Martin          5890.00 2005-03-22 00:00:00.000 North      Vancouver                      3
          Alison     Mathews         4789.00 2003-07-21 00:00:00.000 South      Utown                          4
          James      Smith           6678.00 2001-12-01 00:00:00.000 North      Paris                          5
          Celia      Rice            5567.00 2006-03-03 00:00:00.000 South      London                         6
          Robert     Black           4467.00 2004-07-02 00:00:00.000 East       Newton                         7
          Linda      Green           6456.00 2002-05-19 00:00:00.000 East       Calgary                        8
          David      Larry           5345.00 2008-03-18 00:00:00.000 West       New York                       9
          James      Cat             4234.00 2007-07-17 00:00:00.000 West       Regina                         9
          Joan       Act             6123.00 2001-04-16 00:00:00.000 North      Toronto                       10

(rows affected)
1>
2>
3CREATE VIEW vwFinishedEmployeeAndCategories
4As
5SELECT TOP PERCENT ID, First_Name from Employee;
6> GO
1>
2>
3> drop view vwFinishedEmployeeAndCategories;
4> GO
1>
2> drop table employee;
3> GO
16. 2. Create View
16. 2. 1. The syntax of the CREATE VIEW statement
16. 2. 2. A view is a SELECT statement that's stored with the database.
16. 2. 3. WITH SCHEMABINDING clause protects a view by binding it to the database structure, or schema.
16. 2. 4. Views have a couple of limitations.
16. 2. 5. Create a view based on correlated subquery and then query it
16. 2. 6. Encrypting aView
16. 2. 7. A CREATE VIEW statement that uses TOP and ORDER BY clauses
16. 2. 8. Creating an Indexed View (CLUSTERED, NONCLUSTERED)
16. 2. 9. Using the ORDER BY Clause in a View with TOP 100 PERCENT
16. 2. 10. Supplying Column Names in the Header of the View
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