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the of super market system done in database
Describe the statement in SQL which allows to change the definition of a table? In SQL Alter statement is used to allow the changes the definition of a table.
Process-oriented decompositions Process-oriented decompositions divide complex process, task or function into simpler sub processes until they get simple enough to be deal
Explain the main advantages of DBMS over File Oriented System ?
Explain the Static or conservative Two Phase Locking: Static (or conservative) Two Phase Locking: In this type of scheme, all the data items are locked earlier than any opera
Explain DML with some examples? DML - Data Manipulation Language: statements used for managing data within schema objects. Some examples: • SELECT - retrieve data from the a da
1. A company wants a report containing a breakdown of payroll by department. Input, which should be stored in 3 parallel arrays, includes each employee's department number, hourly
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
Which data type can store unstructured data? Raw data type can store unstructured data.
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
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