PHPMyAdmin: foreign key, what is it? In SQL database language in general, and in particular in PHPMyAdmin, a foreign key is a field of a table of the database that is depending on the field of another database. This means that it is not possible to create an entry in a table refere...
In the case of a query like the SELECT statement we spoke about, being a key really means that the field is indexed so that the database can look it up quickly. So in phpMyAdmin you define the field to be indexed by viewing the table structure and clicking the index ic...
phpMyAdmin database Step 2 Do a quick scan or sort of the “Type” column, and you can see which Storage Engine types your tables are using. In this example below, you can see that two of the tables are still using MyISAM. MyISAM database tables If you found some, then it’s ...
But when i post the job into database, the company_ID show 0(which means when company register, the company_ID should be 2, for example, but in table job, it show 0). What should i do or what php code should i add to get the correct company_ID in table job. And when the com...
Do not forget to set theFOREIGN_KEY_CHECKS’s value to1to re-enable the foreign key constraint check. We can also use the same commands inphpMyAdmin, but make sure to UNCHECK the option highlighted in the following screenshot. Remember, when we set the value ofFOREIGN_KEY_CHECKSback to1...
Note: There is a known issue with some versions of PHP that causes problems withcaching_sha2_password. If you plan to use this database with a PHP application — phpMyAdmin, for example — you may want to create a user that will authenticate with the older, though still secure,mysql_nati...
Note: There is a known issue with some versions of PHP that causes problems withcaching_sha2_password. If you plan to use this database with a PHP application — phpMyAdmin, for example — you may want to create a user that will authenticate with the older, though still secure,mysql_nati...
MethodaddForeignKey: /** * Adds foreign key to the table. * *@paramstring $fkName - the name of the foreign key; *@paramstring $column - the name of the column key for the foreign key; *@paramstring $refTable - the name of the foreign table; ...
If you import your database thru web interface like phpmyadmin, then you need to edit the sql dump file. Add this to the 1st line of your sql db dump file:- SET foreign_key_checks = 0; then add this line to the last line in your sql db dump file:- ...
This tutorial will be showing you how to install phpMyAdmin with Apache, MariaDB, PHP7.4 (LAMP stack) on Ubuntu 20.04 LTS. phpMyAdmin is a free and open-source web-based database management tool