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System error:These contain errors in database system or the OS, example, deadlocks.Such errors are fairly hard to detect and need reprogramming the erroneous components of the system software.
Question: This question refers to the database schema. a) Express the following queries in SQL: (i) Write the SQL code that will create the table Company. Your answer sh
how many types of data model in DBMS? explain data abstraction with its different level
Which is another name for weak entity? Child is another name of weak entity.
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
4. Describe three ways to handle missing field values
Question 1 Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? Question 2 With a necessary example explain (i)
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
what is union compatable?
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
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