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If no database has been selected, specifying a database qualifier is necessary.(a) True(b) FalseI got this question during an interview.This interesting question is from MySQL Identifier Syntax and Naming Rules topic in portion Using SQL to Manage Data of MySQL

Answer»

Right ANSWER is (a) True

Explanation: When no database has been selected, not specifying the database qualifier would be CONFUSING. A table cannot be referred to if the database qualfier is ABSENT SINCE it would be unclear as to which database it belongs to.



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