SELECT column_name,column_name
FROM table_name
WHERE column_name operator value;
Below is a selection from the "Customers" table:
FROM table_name
WHERE column_name operator value;
Below is a selection from the "Customers" table:
| CustomerID | CustomerName | ContactName | Address | City | PostalCode | Country |
|---|---|---|---|---|---|---|
| 1 | Alfreds Futterkiste | Maria Anders | Obere Str. 57 | Berlin | 12209 | Germany |
| 2 | Ana Trujillo Emparedados y helados | Ana Trujillo | Avda. de la Constitución 2222 | México D.F. | 05021 | Mexico |
| 3 | Antonio Moreno Taquería | Antonio Moreno | Mataderos 2312 | México D.F. | 05023 | Mexico |
| 4 | Around the Horn | Thomas Hardy | 120 Hanover Sq. | London | WA1 1DP | UK |
| 5 | Berglunds snabbköp | Christina Berglund | Berguvsvägen 8 | Luleå | S-958 22 | Sweden |
WHERE Clause Example
The following SQL statement selects all the customers from the country "Mexico", in the "Customers" table:Example
SELECT * FROM Customers
WHERE Country='Mexico';
| CustomerID | CustomerName | ContactName | Address | City | PostalCode | Country |
|---|---|---|---|---|---|---|
| 2 | Ana Trujillo Emparedados y helados | Ana Trujillo | Avda. de la Constitución 2222 | México D.F. | 05021 | Mexico |
| 3 | Antonio Moreno Taquería | Antonio Moreno | Mataderos 2312 | México D.F. | 05023 | Mexico |
AND & OR Operators
Example
SELECT * FROM Customers
WHERE Country='Germany'
AND City='Berlin';
Number of Records: 1
CustomerID CustomerName ContactName Address City PostalCode Country
1
Alfreds Futterkiste
Maria Anders
Obere Str. 57
Berlin
12209
Germany
OR Operator Example
The following SQL statement selects all customers from the city "Berlin" OR
"München", in the "Customers" table:
Example
SELECT * FROM Customers
WHERE City='Berlin'
OR City='München';
Number of Records:
CustomerID CustomerName ContactName Address City PostalCode Country
1
Alfreds Futterkiste
Maria Anders
Obere Str. 57
Berlin
12209
Germany
Combining AND & OR
You can also combine AND and OR (use parenthesis to form complex
expressions).
The following SQL statement selects all customers from the country "Germany"
AND the city must be equal to "Berlin" OR "München", in the "Customers" table:
Example
SELECT * FROM Customers
WHERE Country='Germany'
AND (City='Berlin' OR City='München');
SQL ORDER BY Syntax
SELECT column_name, column_name
FROM table_name
ORDER BY column_name ASC|DESC, column_name ASC|DESC;
ORDER BY Example
The following SQL statement selects all customers from the "Customers" table,
sorted by the "Country" column:
Example
SELECT * FROM Customers
ORDER BY Country;
ORDER BY DESC Example
The following SQL statement selects all customers from the "Customers" table,
sorted DESCENDING by the "Country" column:
Example
SELECT * FROM Customers
ORDER BY Country DESC;
ORDER BY Several Columns Example
The following SQL statement selects all customers from the "Customers" table,
sorted by the "Country" and the "CustomerName" column:
Example
SELECT * FROM Customers
ORDER BY Country, CustomerName;
ORDER BY Several Columns Example 2
The following SQL statement selects all customers from the "Customers" table,
sorted ascending by the "Country" and descending by the "CustomerName" column:
Example
SELECT * FROM Customers
ORDER BY Country ASC, CustomerName DESC;
