WP QueryBuilder 1.6.3 is released.
Examples
Insert Statement

Insert Statement

Insert data in table

First parameter is the table name without table prefix.

$db::insert('querybuilder', [
    [
        'name'	=> 'Keramot UL Islam',
        'email' => 'keramotul.@gmail.com',
    ]
]);

Bulk insertion is also available.

$db::insert('querybuilder', [
    [
        'name'	=> 'Keramot UL Islam',
        'email' => 'keramotul.@gmail.com',
    ],
	[
        'name'	=> 'CodesVault',
        'email' => 'codesvault.@gmail.com',
    ]
]);