Executing basic CRUD operations on existing tables
WordPress provides well-optimized built-in methods for accessing the existing database tables. Therefore, we don't need to write our own queries. Let's see how basic Create, Read, Update, Delete (CRUD) operations are executed on existing tables.
Inserting records
All the existing tables contain a pre-built insert functions for creating new records. Some of these functions uses a predefined set of parameters while other functions accepts array of information for inserting the record. Let's take a look at some of the frequently used insert functions:
| Creates a new post or page in the |
| Creates a new option in the |
| Creates a new user in the |