If we want to limit the results to just a few books, say five, we would include what is known as a LIMIT clause: SELECT isbn, title, author_id FROM books LIMIT 5 If the table contains thousands of rows of data, this may be more data than we want. This narrows the width of the results set by retrieving only three columns, but it still retrieves all of the rows in the table. If we want to retrieve only certain columns, we would list them in place of the asterisk in a comma-separated list like so: SELECT isbn, title, author_id FROM books This will retrieve all of the data contained in the books table. Using a database from a fictitious bookstore, we might enter the following SQL statement to get a list of all columns and rows in a table containing information on books: SELECT * FROM books Actually, for the columns to select, we can use the asterisk as a wildcard to select all columns in a particular table. The basic, minimal elements of the SELECT statement call for the keyword SELECT, of course, the columns to select or to retrieve, and the table from which to retrieve rows of data. For absolute beginners who are just starting with MariaDB, you may want to read the MariaDB Basics article. In this article we will go through the basics of SELECT and will progress to more involved SELECT statements we will move from the beginner level to the more intermediate and hopefully you will find some benefit from this article regardless of your skill level. However, as you use MariaDB more, you may need more powerful SELECT statements. It's not necessary to know or use them all -you could execute very basic SELECT statements if that satisfies your needs. Since the SELECT statement is an essential SQL statement, it has many options available with it. The simplest way to retrieve data from MariaDB is to use the SELECT statement.
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