wpdb::get_col()
Retrieves one column from the database.
Retrieves one column from the database.
Retrieves the character set for the given column.
Retrieves column metadata from the last query.
Retrieves the maximum string length allowed in a given column.
Retrieves an entire SQL result set from the database (i.e., many rows).
Retrieves one row from the database.
Retrieves the character set for the given table.
Finds the first table name referenced in a query.
Retrieves one variable from the database.
Determines if a database supports a particular feature.