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Normalization is the process of organizing a database to reduce redundancy and improve data integrity. It involves dividing large tables into smaller, related tables and defining relationships between them. This reduces data duplication and ensures that data is stored efficiently, making updates and deletions easier and more reliable. a) Data Warehousing involves collecting and managing large amounts of data but does not specifically target redundancy. b) Data Mining involves analyzing large datasets to discover patterns and trends, not reducing redundancy. d) Indexing improves the speed of data retrieval but does not address redundancy. e) Partitioning involves dividing a database into smaller segments for easier management but does not eliminate redundancy.
In a mixture of milk & water, 20 litres water is mixed due to which ratio changes from 5 : 4 to 1 : 4. Find initial quantity of mixture. (in litres)
Sugar costing Rs. 140/kg is mixed with sugar costing Rs. 100/kg in a ratio of 6:4, respectively. Calculate the price per kg of th...
A mixture of milk and water measures 60 litres. It contains 10% water. How much water should be added to it, so that the water may be 25%?
Two types of pulses, priced at ₹80 per kg and ₹90 per kg, are mixed in a ratio such that the resulting mixture is sold at ₹107.5 per kg with a 25%...
A container contains Alcohol and water in ratio of 3:1 and Capacity of Container is 40 lit. If half of the Container is replaced with 15 lit of water th...
In a mixture, the quantity of sugar is 25% of the quantity of water. On removing 70 litres mixture and adding 10 litres each of sugar and water, the qua...
In a ‘10Y’ litres of mixture of milk and water, the quantity of milk is 60%. According to which of the following statements the value of ‘Y’ wi...
A container has 120 liters of milk and 'x' liters of water. If 25% of the mixture is removed and then 10 liters of water are added such that the quantit...
An 84-litre mixture contains 75% milk. If 'x' litres of water are added to this mixture, the quantity of milk in the resulting mixture becomes 27 litres...
From a container of Beer, a thief has stolen 25 litres of beer and replaced it with same quantity of water. He again repeated the same process. Thus in...
