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  2. Delete (SQL) - Wikipedia

    en.wikipedia.org/wiki/Delete_(SQL)

    DELETE requires a shared table lock; Triggers fire; DELETE can be used in the case of: database link; DELETE returns the number of records deleted; Transaction log - DELETE needs to read records, check constraints, update block, update indexes, and generate redo / undo. All of this takes time, hence it takes time much longer than with TRUNCATE

  3. Truncate (SQL) - Wikipedia

    en.wikipedia.org/wiki/Truncate_(SQL)

    In SQL, the TRUNCATE TABLE statement is a Data Definition Language (DDL) operation that deletes all rows of a table without causing a triggered action. [1] The result of this operation quickly removes all data from a table, typically bypassing a number of integrity enforcing mechanisms.

  4. phpMyAdmin - Wikipedia

    en.wikipedia.org/wiki/PhpMyAdmin

    phpMyAdmin is a free and open source administration tool for MySQL and MariaDB. As a portable web application written primarily in PHP , it has become one of the most popular MySQL administration tools, especially for web hosting services .

  5. Comparison of MySQL database engines - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_MySQL...

    This is a comparison between notable database engines for the MySQL database management system (DBMS). A database engine (or "storage engine") is the underlying software component that a DBMS uses to create, read, update and delete (CRUD) data from a database.

  6. HeidiSQL - Wikipedia

    en.wikipedia.org/wiki/HeidiSQL

    View all databases on the server, connect to a single database to work with its tables and data; View connected databases' total and table size in KB/MB/GB within the database/table tree structure; Create new, alter existing databases' name, character set and collation, drop (delete) databases; Tables, views, procedures, triggers and events

  7. Data manipulation language - Wikipedia

    en.wikipedia.org/wiki/Data_manipulation_language

    In SQL, the data manipulation language comprises the SQL-data change statements, [3] which modify stored data but not the schema or database objects. Manipulation of persistent database objects, e.g., tables or stored procedures, via the SQL schema statements, [3] rather than the data stored within them, is considered to be part of a separate data definition language (DDL).

  8. Outline of MySQL - Wikipedia

    en.wikipedia.org/wiki/Outline_of_MySQL

    It is a light-weight alternative to phpMyAdmin, distributed under the Apache license (or GPL v2) as a single PHP file (around 300 KiB in size). Database Workbench – a software application for development and administration of multiple relational databases including MySQL, with interoperationality between different database systems

  9. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    Queries allow the user to describe desired data, leaving the database management system (DBMS) to carry out planning, optimizing, and performing the physical operations necessary to produce that result as it chooses. A query includes a list of columns to include in the final result, normally immediately following the SELECT keyword.