Using the commands SELECT, PROJECT, and JOIN write a sequence of instructions to answer each of the following questions about branches and their courses in terms of the following database: a. Which branches offer IT665? b. List all the branches present in Branch relation. c. Which branches offer 4 credit courses? Course relation CName ID Networks IT655 DataBase CS543 VLSI EC653 Branch relation BName ID Computer Science CS543 Computer Science EC653 Electronics & Communication IT655 Electronics & Communication EC653 Information Technology CS543 Information Technology IT655 4 Credits 4545

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