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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
what is data link layer
Modular growth: In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat
Explain the challenges before an E-business management.
WOUND-WAIT
What is DAG? The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and perm
Preliminary entities and attributes of human resourse management database management system
What is data integrity? Ans: It is the data consisted of in database that is accurate and consistent. (Data integrity means that the data should be valid as per to the give
prototype of a distributed information system for a national car part retail outlet chain.
what do you understand by enhanced entity-relationship
Draw the database using the ER approach and then make the tables accordingly. Populate the tables so that every table have at least 10 tuples. Then using Java and SQL, execute the
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