SQL Basics | DML: Data Manipulation Language | SELECT
The SELECT statement is used to retrieve data from a database.
The returned data is stored in a result set.
SELECT syntax
SELECT column_name1, column_name2, ... FROM table_name;
Here, column_name1, column_name2, and so on are the names of the fields in the table from which data will be selected. They are called columns. To select all available fields from a table, use the following syntax.
SELECT * FROM table_name;
SELECT examples
Column example
SELECT column1, column2 FROM table_name;
Example
SELECT * FROM table_name;
You can load multiple columns at once, and you can select several pieces of data from a table.
SELECT demo
store_information table
| store_name | sales | txn_date |
|---|---|---|
| Los Angeles | 1500 | Jan-05-2018 |
| San Diego | 250 | Jan-07-2018 |
| Los Angeles | 300 | Jan-08-2018 |
| Boston | 700 | Jan-08-2018 |
sql
SELECT store_name FROM store_information;
Result
| store_name |
|---|
| Los Angeles |
| San Diego |
| Los Angeles |
| Boston |