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Write a short note on QBE? Stands for "Query By Example." QBE is a feature involved along with various database applications which gives user-friendly techniques of running da
Eliminate Columns Not Dependent On Key The Employee Relation satisfies - First normal form - As it has no repeating groups. Second normal form - As it do not have multi-a
Example :; transfers transfer_amount from x's account to y's account ; Supposes x&y both accounts exist TRANSACTION (x, y, transfer_amount) Start transaction IF X AND Y
HOW MANY TYPES OF VIEWS
Project Description: This is going to be a School portal to handle each activities in school such as, School fees payment, online registration and every other payment, course re
This assignment is worth 45% of your final grade for this module. Marks will be awarded as follows: Prototypes (wireframe and web based prototype) You are expected
Deadlock Prevention One of the easiest approaches for avoiding a deadlock would be to obtain all the locks at the begin of the transaction. Though, this approach restricts conc
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
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