Search results
16 sie 2010 · $tables = array('users','otherdata'); foreach($tables as $table){ db.execute("DROP TABLE "+$table); } or you can drop the database and re-create it empty (it's really not that much effort!): db.execute('DROP DATABASE SITEDATA'); db.execute('CREATE DATABASE SITEDATA');
26 wrz 2014 · To completely empty the database, dropping all tables (if that's what you really want to do), run this PHP script. $rows[] = $row; $sql = 'DROP TABLE IF EXISTS `' . mysql_real_escape_string($row['Name']) . '`;'; mysqli_query($link, $sql); ++$n;
12 sty 2016 · It is best to use truncate when you want to remove all the rows from the table. The following are three ways of removing all data from tables: truncate table t delete from t drop t What is the difference? Drop removes the table entirely from the database. This includes all triggers, constraints, indexes, and so on.
Delete Data From a MySQL Table Using MySQLi and PDO. The DELETE statement is used to delete records from a table: DELETE FROM table_name. WHERE some_column = some_value. Notice the WHERE clause in the DELETE syntax: The WHERE clause specifies which record or records that should be deleted.
3 mar 2018 · We use SQL DELETE Query to delete data with some condition from MySQL Table. Syntax: This will delete all rows of customers' tables but everything else will remain as it is (indexing, etc). DELETE FROM users This will delete all rows of users table where userId is 2. DELETE FROM users WHERE userId = 2 Modules: mysql: To handle sql connection and qu
The basic syntax of the DELETE statement can be given with: DELETE FROM table_name WHERE column_name=some_value. Let's make a SQL query using the DELETE statement and WHERE clause, after that we will execute this query through passing it to the PHP mysqli_query() function to delete the tables records.
There are two ways you can delete all rows from a table: Execute a DELETE statement without a WHERE clause. Execute a TRUNCATE TABLE statement. To execute the DELETE or TRUNCATE TABLE statement, you can call the exec () method of the PDO object.
