Parameters are loaded automatically from variables, no need to set them explicitly with Set Parameter

!|Insert|Users|
|username|name|userid?|
|pera|Petar Detlic|>>pera|
|Mika|Mitar Miric|>>mika|
|Zeka|Dusko Dugousko|>>zeka|
|DevNull|null|>>nll|


|Query|Select * from Users where userid=@pera|
|username|name|userid|
|pera|Petar Detlic|<<pera|
