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Describe about the role of bitmap indexes to solve aggregation problems?
Ans) Bitmaps are very useful in begin schema to join large databases to small databases. Answer queries and bit arrays are used to do logical operations on the databases. Bit map indexes are very well-organized in handling Gender differentiation; also repetitive tasks are performed with much larger efficiency.
What is the difference among using a filter and a query to find records? Filter is used to quickly limit the records as we are already viewing in a Datasheet or a form to those
What is Linear Addressing Mode. Ans. Linear Addressing: Addressing is the procedure of selecting one of the cells in a memory to be written in or to be read from. So as to fa
Find the generating function to denote the number of ways the sum 9 can be acquired while 2 distinguishable fair dice are tossed and the first shows an even number and the second s
Conventionally software has been written for serial computation in that programs are written for computers which have a single Central Processing Unit (CPU). Here the problems are
In a clinic 0.15 of the patients have got the HIV virus. Assume a blood test is carried out on a patient. If the patient has got the virus the test will turn out positive with prob
Explain the Advantages of High Level Languages? The major advantage of high-level languages over low-level languages is that they are easier to write, read, and maintain. Ultim
is a technique of temporarily removing inactive programs from the memory of computer system? Swapping is a technique of temporarily eliminating inactive programs from the memor
Procedure The only difference between e-commerce and conventional commerce is that goods in e-commerce are purchased over the internet using a credit card. Also buying and sel
Q. How to Access the Disk Data? Disks operate is semi-random mode of operation and generally referenced block wise. The data access time on a disk comprises two major component
The salient features of hyper threading are: i) Improved support for multi-threaded code, permitting multiple threads to run concurrently. ii) Response time and improved rea
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