In first part 1, we have learnt some initial lessons to setup WordPress on the local host using Wampserver and its functional parts phpMyAdmin for database setup and managements. Taking the discussions further, we would like to introduce with database and its components as well as migration from local server to live one in this current post.
Know Database in WordPress Development
Generally, database consists of tables and data inside which are retrieve to generate HTML pages dynamically on infinite requests. Therefore, WordPress is considering the most powerful content management platform on the web and consists of more than 60% websites, which are running on the PHP code.
By default, each default database has eleven, default database table in WordPress fragmenting each table in different sections such as features, functionality, and various sections of the WordPress variables. For instant,
Comments: wp_commentmeta is a name of comments storing table where wp_ prefix is adding by default. If you look at the table closely, you will find four main fields like
Based on functionality each meta_id is in accordance with comment_id that manage the Meta information in the table for instant approving comment, showing pending comments, show editing functionality for comments like trash or recover or hide, etc.
Wp_comment is bit different and its table is consists of name of author of the comment, URL, email, texts of the comment, etc.
URL manager: wp_links is the table component that enables WordPress developers to manage blogrolls created by earlier versions of WordPress. Alternatively, we can use Link Manager plug-ins available in the market and create custom URL different ways to make our blog or WordPress website SEO friendly and user friendly so users can remember URLs easily.
Setting or Options: with wp_options table we can easily manage website settings like URL, admin email, categories default and custom, numbers of post per web page, set date and time format and so on features and functions for our website. In latest versions of WordPress, this option table is highly useful for the storage of plug-in settings for innumerable plugins to give extended functionality.
Post Management: wp_postmeta table is storing all Meta information related to your posts and pages of your WordPress site. This table is highly useful for theme or template creating WordPress programmers and SEO professionals to store their SEO meta data through SEO plugins available in the market.
Another table for post management is wp_posts that is storing data related to post types only or in other words content types. Therefore, you will find data related to your posts, pages, revisions, and other custom types of posts in this table.
Taxonomy: basically WordPress is offering powerful taxonomy system on the web so it permits you to organize content in decent and usable manners. If we define individual taxonomy items, we will use terms for them and these terms are store in wp_terms table so you can categories and tags your posts or pages and can easily manage relationships with other post types using wp_term_relationships table for a big WordPress web development. Similarly, wp_term-taxonomy helps to define taxonomy in intricate WordPress development project and can differentiate differences between categories and tags easily.
User Management: we have two tables to manage users at different permission levels for our WordPress website and its backend system. Wp_users and wp_usermeta are performing these functions of user managements by storing data about usernames, their passwords, their emails, and other relevant information at first hand.