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$sql="Delete from users where id=id"; as it is, an id is always equal to itself, so you would be effectively deleting every user. you need to differentiate the ids
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.
15 Σεπ 2023 · To delete data, you’ll need to write SQL DELETE queries. Below is an example of a DELETE query that removes a user’s account: DELETE FROM users WHERE username='john_doe';
2 Αυγ 2011 · DROP DATABASE IF EXISTS se266; CREATE DATABASE se266; use se266; CREATE TABLE users ( user_id INT(11) NOT NULL AUTO_INCREMENT, user_first VARCHAR(50), user_last VARCHAR(50) NOT NULL, user_name VARCHAR(50) NOT NULL, user_password VARCHAR(50), user_is_admin BIT, PRIMARY KEY (user_id) ); -- create the users and grant priveleges to those users ...
DELETE Syntax. DELETE FROM table_name WHERE condition; Note: Be careful when deleting records in a table! Notice the. WHERE clause in the DELETE statement. The WHERE clause specifies which record (s) should be deleted. If you omit the WHERE clause, all records in the table will be deleted!
Deleting Database Table Data. Just as you insert records into tables, you can delete records from a table using the SQL DELETE statement. It is typically used in conjugation with the WHERE clause to delete only those records that matches specific criteria or condition.
19 Δεκ 2020 · A step-by-step tutorial with snippets for developing an easy and simple add, edit, and delete table rows in PHP and MySQL database.
