Employee (Eid,Ename,Estreet,Ecity)
Company (Cid,Cname,Ccity)
WorksOn (Eid,Cid,Salary,DateofJoining)
1. Write the all DDL commands for a given schema?
2. How to add MobNo attribute in employee table and remove the MobNo from
employee table?
3. Define a check integrity constraint on salary that value must be between 5000
to 50000.
4. Explain the concept of referential integrity constraint for given schema.
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we do not any imformation
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