1# fused-effects-squeal [](http://hackage.haskell.org/package/fused-effects-squeal)
3This is an overview of the way this library works. If you would like to learn how Squeal itself works you should head to the [morphismtech/squeal repository](https://github.com/morphismtech/squeal).
7There are two sepaeate effects with corresponding carriers: `Squeal` (with `SquealC`) and `SquealPool` (with `SquealPoolC`).
9`Squeal` mimics the functions from `MonadPQ` (from `squeal-postgresql`) and represnts the "inside a transaction" effect.
11You can run it directly with `runSquealWithConn` family of functions, but you probably want to use a connection pool.
13`SquealPool` allows you to call `runSqueal` function, which picks a connection from the connection pool and runs the `Squeal` effect.
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