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Dude questions

• Why is this table not normalized?
• What is wrong with this reasoning to determine the upper bound?
• Disadvantages of having many Indexes in a SQL database?
• Why is query router storing all of the data in mongodb cluster?
• Using median selection in quicksort?
• Specifying join condition "ON columns" in hibernate HQL?
• When to use "$and" operator in mongodb?
• How to compute "shortest distance" between two words?
• How is broadcasting applying in this example of numpy?
• Time complexity of the java code

Dude answers