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For what an append query be used?
It is simple to append records from one table to another using an append query. There is no requirement for the tables to have the similar number of fields or same field names. Though, the two tables must have matching fields and the data for primary key field should be unique and non-empty
What is the difference between Synchronous and Asynchronous updates? A program asks the system to perform a particular task, and then either waits or doesn't wait for the task
Explain how the Web enables effective collaborative computing. Discuss the similarities and differences among WebEx, Microsoft NetMeeting and Novell Groupwise software (in less tha
Q. Explain working of D Flip -Flop? D (data) flip-flop is modification of RS flip-flop. Problem of undefined output in SR flip-flop when both R and S become 1 gets avoided in D
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If you open your computers case, the motherboard is the flat, rectangular piece of circuit board to which the whole thing seems to connect to for one reason or one another. It'
Explain about Distributed Shared Memory Systems? Distributed Shared Memory (DSM) systems emulate a shared memory abstraction on loosely coupled architectures in order to allow
Define lazy swapper. Rather than swapping the whole process into main memory, a lazy swapper is used. A lazy swapper never swaps a page into memory unless that page will be re
Give brief description about arithmetic processing unit To execute the arithmetic operations there is a separate section known as arithmetic processing unit in CPU. The arithme
a. What are the differences among conventional signatures and digital signatures? Write a short note on "Attacks on digital signature". b. What is Public-Key Infrastructures
Q. Explain Usenet and Newsgroups? In Internet there exists another way to meet people and share information. One such way is through Usenet newsgroups. These are special groups
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