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int delete(mixed $id = null) Delete a record from the database.

$this groupBy(array $groups) Add a "group by" clause to the query.

Builder newQuery()

$this having(string $column, string $operator = null, string $value = null, string $boolean = 'and')

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$this limit(int $value) Set the "limit" value of the query.

mixed value(string $column) Get a single column's value from the first

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