WP_Query, Metadata, and Options
Retrieve and store WordPress content with query, metadata, and option APIs.
wpdb and Custom Tables
Use the wpdb database object safely for prepared SQL and custom table workflows.
Data Migrations and Versioned Schema Changes
Manage plugin database changes with versioned options, safe upgrades, and repeatable migration functions.
. WordPress Database and Queries
Work with posts, metadata, options, custom tables, WP_Query, and wpdb safely.