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Select Data From a MySQL Database. The SELECT statement is used to select data from one or more tables: SELECT column_name (s) FROM table_name. or we can use the * character to select ALL columns from a table: SELECT * FROM table_name. To learn more about SQL, please visit our SQL tutorial.
The SELECT statement is used to select data from a database. The data returned is stored in a result table, called the result-set. SELECT Syntax. SELECT column1, column2, ... FROM table_name; Here, column1, column2, ... are the field names of the table you want to select data from.
Learn how to use the MySQL SELECT statement to retrieve data from one or more tables in a database. With clear explanations and lots of examples, you'll be mastering the SELECT statement in no time.
This guide has covered the basics of the SELECT statement and how to use it to retrieve data from a MySQL database. With the advanced features of the SELECT statement and the ability to retrieve data using PHP, you can build powerful and efficient PHP/MySQL applications.
$sql = "SELECT id, firstname, lastname FROM MyGuests"; $result = mysqli_query($conn, $sql); if (mysqli_num_rows($result) > 0) { // output data of each row while ($row = mysqli_fetch_assoc($result)) { echo "id: ". $row["id"]. " - Name: ". $row["firstname"]. " ". $row["lastname"]. "<br>"; }} else { echo "0 results";} mysqli_close($conn ...
Database Queries. A query is a question or a request. We can query a database for specific information and have a recordset returned. Look at the following query (using standard SQL): SELECT LastName FROM Employees. The query above selects all the data in the "LastName" column from the "Employees" table.
You will learn how to query data from MySQL database by using PHP PDO and use PDO prepared statement to securely select data.
