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Mysql Select command

The SELECT command in MySQL is used to retrieve data from one or more tables in a database. The syntax for the SELECT statement is as follows:

SELECT column1, column2, ..., columnN
FROM table_name
WHERE condition
ORDER BY column_name [ASC|DESC]
LIMIT num_rows OFFSET offset_value;

The SELECT statement retrieves one or more columns from a table in a database. The columns to be retrieved are specified by a comma-separated list of column names. To retrieve all columns from a table, use an asterisk (*) in place of the column names.

The FROM clause specifies the name of the table from which the data is to be retrieved.

The WHERE clause is optional and specifies a condition that must be satisfied for a row to be retrieved. The condition can include operators such as =, !=, <, >, <=, >=, LIKE, IN, BETWEEN, and NOT.

The ORDER BY clause is used to sort the result set in ascending or descending order based on one or more columns. The default sorting order is ascending, but you can specify descending order by adding the DESC keyword after the column name.

The LIMIT clause is used to limit the number of rows returned by the query. It takes two arguments: num_rows, which specifies the maximum number of rows to return, and offset_value, which specifies the number of rows to skip before starting to return rows.


To retrieve all columns from a table named employees:

FROM employees;

To retrieve the first_name and last_name columns from the employees table where the department column is equal to ‘Sales’ and the salary column is greater than 50000:

SELECT first_name, last_name
FROM employees
WHERE department = 'Sales' AND salary > 50000;

To retrieve the product_name and unit_price columns from the products table sorted in descending order by unit_price:

SELECT product_name, unit_price
FROM products
ORDER BY unit_price DESC;

To retrieve the first 10 rows from the orders table:

FROM orders

To retrieve the next 10 rows from the orders table after skipping the first 10 rows:

FROM orders

These are some of the basic examples of using the SELECT command in MySQL to retrieve data from one or more tables in a database. The SELECT command can be combined with other commands such as JOIN, GROUP BY, and HAVING to perform more complex queries.