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What is data definition language? Explain it in detail? The SQL DDL allows specification of not only a set of relations, but also information after each relation, containing
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Explain Data Dictionary in short?
intent locking
Cyber Transit Ltd keeps up-to-date information on the processing and current position of each dispatched item. Dispatched items are the main concern of the Cyber Transit product tr
Explain what is RDBMS ? RDBMS - RDBMS is a database management system (DBMS) which stores data within the form of relations. Relational databases are powerful since they need f
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Rearrange Classes and Operations Sometimes, the similar operation is defined across different classes and can easily be inherited from a familiar ancestor, but more often oper
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
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