Answer the following problems.
problem 1) prepare down three kinds of Record based logical model?
problem 2) prepare down the types of relationships?
problem 3) What do you mean by key in RDMS?
problem 4) describe entity set, attributes, entities in detail with suitable ex?
problem 5) Define 1:1 and 1:M relations using the E-R diagram?
problem 6) What do you mean by instance, schema, sub- schema?
problem 7) What do you mean by database window?
problem 8) What do you mean by Database toolbar?
problem 9) What do you mean by menu bar, title bar?
problem 10) What do you understand by tables, columns, rows, queries, forms, reports?