Saturday, 7 April 2012

MySql Order By Example


ORDER BY Example

The "Persons" table:
P_IdLastNameFirstNameAddressCity
1HansenOlaTimoteivn 10Sandnes
2SvendsonToveBorgvn 23Sandnes
3PettersenKariStorgt 20Stavanger
4NilsenTomVingvn 23Stavanger
Now we want to select all the persons from the table above, however, we want to sort the persons by their last name.
We use the following SELECT statement:
SELECT * FROM Persons
ORDER BY LastName
The result-set will look like this:
P_IdLastNameFirstNameAddressCity
1HansenOlaTimoteivn 10Sandnes
4NilsenTomVingvn 23Stavanger
3PettersenKariStorgt 20Stavanger
2SvendsonToveBorgvn 23Sandnes


ORDER BY DESC Example

Now we want to select all the persons from the table above, however, we want to sort the persons descending by their last name.
We use the following SELECT statement:
SELECT * FROM Persons
ORDER BY LastName DESC
The result-set will look like this:
P_IdLastNameFirstNameAddressCity
2SvendsonToveBorgvn 23Sandnes
3PettersenKariStorgt 20Stavanger
4NilsenTomVingvn 23Stavanger
1HansenOlaTimoteivn 10Sandnes

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