WordPress database

WORDPRESS MEETUP CEBUOCT. 5 ,2013

Tuesday, October 8, 13

HOW WORDPRESS WORKS

QUICK TOUR TO WORDPRESSDATABASE

WHY WOULD I USE WPDB?

1. custom database queries

1. custom database queries2. when using a plugin

1. custom database queries2. when using a plugin3. simplifying and optimizing server loads

1. custom database queries2. when using a plugin3. simplifying and optimizing server loads4. it’s easy to maintain and flexible

1. custom database queries2. when using a plugin3. simplifying and optimizing server loads4. it’s easy to maintain and flexible5. makes you a better WP developer

WORDPRESS DATABASEWORDPRESS DATABASE CLASS - WPDB

codex.wordpress.org/Function_Reference/wpdb_Class

CREATE$wpdb->insert( ! 'table', ! array( ! ! 'column1' => 'value1', ! ! 'column2' => 123 ! ), ! array( ! ! '%s', ! ! '%d' ! ) );

READ$mypost = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = 10");

echo $mypost->post_title;

UPDATE$wpdb->update( ! 'table', ! array( ! ! 'column1' => 'value1',!// string! ! 'column2' => 'value2'!// integer (number) ! ), ! array( 'ID' => 1 ), ! array( ! ! '%s',! // value1! ! '%d'!// value2! ), ! array( '%d' ) );

DELETE

// Default usage.$wpdb->delete( 'table', array( 'ID' => 1 ) );

// Using where formatting.$wpdb->delete( 'table', array( 'ID' => 1 ), array( '%d' ) );

QUESTIONS?Feel free to ask anything regarding WordPress or web

development in general.

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WordPress database

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