What is surrogate key? Where we use it? Explain with examples.
Explain the difference between laravel 4 and laravel 5?
What is cache region?
What are hard waters?
Can s3 be cast-off with ec2 instances, in case of “yes” please specify how?
Does Hadoop requires RAID?
Can we create field without data element? If yes, how?
What are the purpose of close(), getc() and read() functions?
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What is difference between persistent and transient objects?
How are ayurvedic medicines marketed?
What is a JAR file?
What is alias mechanism?
What is difference between temporary table and container?
what is the typical block size of an HDFS block?