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hey this is pass Ephraim passes world of ICT the guy with the white hat and today were up for another microsoft access laning lesson and today were looking at field validations how we can make sure that data that comes into our system is good data and people dont accidentally do typos and get bad things entered into the system okay then so its hats off and glasses off and other glasses on and lets get started alright so in this lesson what were looking at is that field validation that involves checking values so that users are put reasonable values into the database and none of the fields are left blank or empty either so we dont want someone for example to put $0 in for a price because whats the point of selling it you might as well give it away for free now access allows us to set up these validation rules and this helps us to make sure that only good data is entered into the system we want it to be good and we dont have empty fields that are left blank okay because this is