SQL SELECT STATEMENT
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The SELECT statement is used to select data from a database.
The result is stored in a result table, called the result-set.
SQL SELECT Syntax
SELECT column_name(s)
FROM table_name |
SELECT * FROM table_name
|
An SQL SELECT Example
The "Persons" table:
P_Id
|
LastName
|
FirstName
|
Address
|
City
|
1
|
Hansen
|
Ola
|
Timoteivn 10
|
Sandnes
|
2
|
Svendson
|
Tove
|
Borgvn 23
|
Sandnes
|
3
|
Pettersen
|
Kari
|
Storgt 20
|
Stavanger
|
We use the following SELECT statement:
SELECT LastName,FirstName FROM Persons
|
LastName
|
FirstName
|
Hansen
|
Ola
|
Svendson
|
Tove
|
Pettersen
|
Kari
|
SELECT * Example
Now we want to select all the columns from the "Persons" table.We use the following SELECT statement:
SELECT * FROM Persons
|
The result-set will look like this:
P_Id
|
LastName
|
FirstName
|
Address
|
City
|
1
|
Hansen
|
Ola
|
Timoteivn 10
|
Sandnes
|
2
|
Svendson
|
Tove
|
Borgvn 23
|
Sandnes
|
3
|
Pettersen
|
Kari
|
Storgt 20
|
Stavanger
|
This post was written by: Rajendra Prasad
Rajendra Prasad is a professional blogger, web designer and front end web developer. Follow him on Facebook