Using SELECT Statements on Views in SQL Server

Q

Can SELECT Statements Be Used on Views in SQL Server?

✍: FYIcenter.com

A

Select (query) statements can be used on views in the same way as tables. The following tutorial exercise helps you creating a view and running a query statement on the view:

CREATE VIEW myLinks AS SELECT * FROM fyi_links 
   WHERE url LIKE '%fyi%'
GO

SELECT tag, counts, url, created 
   FROM myLinks ORDER BY counts DESC
GO
tag     counts  url                     created
DBA     972     dba.fyicenter.com       2007-05-19
SQA     728     sqa.fyicenter.com       2007-05-19
DEV     120     dev.fyicenter.com       2006-04-30

⇒ Filtering Out Duplications in the Returning Rows in SQL Server

⇐ Counting Rows with the COUNT(*) Function in SQL Server

⇑ Using SELECT Statements and GROUP BY Clauses in SQL Server

⇑⇑ SQL Server Database Tutorials

2016-10-26, 1864🔥, 0💬

"GROUP BY" - Dividing Query Output into Multiple Groups in SQL Server
How To Divide Query Output into Multiple Groups with the GROUP BY Clause in SQL Server? Sometimes, you want to divide the query output into multiple groups, and apply group functions on each individual groups. Dividing query output into multiple groups can be done with the GROUP BY clause. Here is t... 2016-10-25, 2950🔥, 0💬

Using SELECT Statements on Views in SQL Server
Can SELECT Statements Be Used on Views in SQL Server? Select (query) statements can be used on views in the same way as tables. The following tutorial exercise helps you creating a view and running a query statement on the view: CREATE VIEW myLinks AS SELECT * FROM fyi_links WHERE url LIKE '%fyi%' G... 2016-10-26, 1865🔥, 0💬

Mixing Group Functions with Non-group Selection Fields in SQL Server
Can Group Functions Be Mixed with Non-group Selection Fields in SQL Server? If a group function is used in the SELECT clause, all other selection fields must be group level fields. Non-group fields can not be mixed with group fields in the SELECT clause. The script below gives you an example of inva... 2016-10-25, 1582🔥, 0💬

Sorting Query Output in Descending Order in SQL Server
How To Sort Query Output in Descending Order in SQL Server? If you want to sort a column in descending order, you can specify the DESC keyword in the ORDER BY clause. The following SELECT statement first sorts the "tag" in descending order, then sorts the "counts" in ascending order: SELECT tag, cou... 2016-10-26, 1437🔥, 0💬

Sorting Query Output by Multiple Columns in SQL Server
Can the Query Output Be Sorted by Multiple Columns in SQL Server? You can specifying multiple columns in the ORDER BY clause as shown in the following example statement, which returns rows sorted by "tag" and "counts" values: SELECT tag, counts, url, created FROM fyi_links ORDER BY tag, counts GO ta... 2016-10-26, 1390🔥, 0💬

Sorting Query Output with ORDER BY Clauses in SQL Server
How To Sort the Query Output with ORDER BY Clauses in SQL Server? If you want the returning rows to be sorted, you can specify a sorting expression in the ORDER BY clause. The simplest sort expression is column name who's values will be sorted by. The following select statement returns rows sorted b... 2016-10-26, 1373🔥, 0💬

Filtering Out Duplications in the Returning Rows in SQL Server
How To Filter Out Duplications in the Returning Rows in SQL Server? If there are duplications in the returning rows, and you want to remove the duplications, you can use the keyword DISTINCT in the SELECT clause. The DISTINCT applies to the combination of all data fields specified in the SELECT clau... 2016-10-26, 1312🔥, 0💬

Group Functions in Query Statements in SQL Server
What Are Group Functions in Query Statements in SQL Server? Group functions are functions applied to a group of rows. Examples of group functions are: COUNT(*) - Returns the number of rows in the group. MIN(exp) - Returns the minimum value of the expression evaluated on each row of the group. MAX(ex... 2016-10-25, 1310🔥, 0💬

Adding More Test Data for Query Statements in SQL Server
How To Add More Data to the Testing Table in SQL Server? If you want to continue with other tutorial exercises in this FAQ collection, you need to add more data to the testing table. Follow the script below to add a new column and more rows: ALTER TABLE fyi_links ADD tag VARCHAR(8) GO UPDATE fyi_lin... 2016-10-26, 1273🔥, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.