What does SELECT in MySQL return?

What does SELECT return SQL?

The SQL SELECT statement returns a result set of records, from one or more tables. A SELECT statement retrieves zero or more rows from one or more database tables or database views. In most applications, SELECT is the most commonly used data manipulation language (DML) command.

What is SELECT * from in MySQL?

SELECT is the keyword that starts the query and instructs MySQL on what task it must perform. FROM is a mandatory clause that specifies the table or tables to select the data from (if you apply to multiple tables, you must separate their names by commas or use the JOIN method).

What does SELECT 1 in MySQL mean?

The statement 'select 1' from any table name means that it returns only 1. For example, If any table has 4 records then it will return 1 four times.

What is a SELECT statement in MySQL and give write example?

Example - write to a file You can also use the MySQL SELECT statement to write the result set to a file. For example: SELECT order_id, quantity, unit_price FROM order_details WHERE quantity < 500 ORDER BY quantity INTO OUTFILE 'results. txt' FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' LINES TERMINATED BY '\n';