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What are the two types of blocks in the fixed -length representation? Define them. Anchor block: Have the first record of a chain. Overflow block: Have the records other tha
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
courier company er-diagram
Describe the host language? Host Language: You could write applications along with SQL statements embedded inside a host language. The SQL statements give the database inter
Write the motivations led to development of OO-DBMS? 1. Programmer frustration with RDBMSs. 2. Requirement for special features.
Problem : (b) A deductive database system is essentially the outcome of applying mathematics logic to database management, where logic is used for both data representation and
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Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
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