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Consider the relations EMP(ENO,ENAME,AGE,BASIC_SALARY) WORK_IN(ENO,DNO) DEPT(DNO,DNAME,CITY) Express the following queries in SQL (i) Find names of employees who work in a dep
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
Discuss the types of integrity constraints in which must be checked for the update operations - Insert and Delete. Give examples. Insert operation can violet any of the subse
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
Benefits of heap files 1. This is a easy file Organisation method. 2. Insertion is somehow capable. 3. Good for bulk-loading data into a table. 4. Best if file
Consider the following database schema: STAFF(StaffNo, fName, lName, Position, sex, dob, branchNo) BRANCH(BranchNo, Street, City) Assume the following for the above database
i am not clear with the climetic condition of the north indian plain. can u plz explain it for me
What is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
prototype of a distributed information system for a national car part retail outlet chain.
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