Inverse lookup
What will be an ideal response?
Invserse lookup implies resolving an IP address to a host name. A special domain, named in- addr.arpa is used for IP address-to-name mappings.
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The write-ahead feature implies that the page cannot be written until the update records of both transactions have been stored in the log. Assuming update records contain after-images, the page does not have to be written out except as dictated by the rule relating to the use of checkpoint records.
What will be an ideal response?
An SQL statement is an instruction using ________
A) Standard Question Language B) Standard Query Language C) Structured Query Language D) Structured Question Language
What is the feature which allows a connection to an external database without having to copy all the external records into the current database?
A) Copying B) Embedding C) Linking D) Table Relationships
The average burning times of American Standard lightbulbs (made in China) are normally distributed, with a mean of 1,300 hr and a standard deviation of 130 hr, according to quality control studies. A company installs a large number of these bulbs at the same time. After what amount of time should we expect 7.5% of them to burn out? (Hint: This will split the total area under the normal curve into an area of 0.0750 on the left-hand tail and 0.9250 on the other.)
A. 
hr
B. 
hr
C. 
hr
D. 
hr
E. 
hr