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What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
Describe the algorithm to draw the dependency graph? Ans: Algorithm to draw Precedence Graph is like this: a. For every transaction T i participating in schedule S, make
What is a transaction ? The Transaction is a unit of data processing. For instance, many of the transactions at a bank may be withdrawal or deposit of money; transfer of money f
Describe the shadow paging technique.
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
how to operate database in access ?
what is definition hierarchical data model
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
Australian Bureau of Statistics (ABS) provides retail data for different groups and different states as well as the aggregate numbers. Table 11 " Retail Turnover, State by Industry
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)
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