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What is the maximum length for alias names in terms of characters?(a) 64(b) 128(c) 256(d) 32The question was posed to me during an interview.This is a very interesting question from MySQL Identifier Syntax and Naming Rules in chapter Using SQL to Manage Data of MySQL

Answer»

The correct answer is (c) 256

To EXPLAIN I would say: The IDENTIFIERS in MySQL have a maximum length of 64 characters. However, the alias names for identifiers can have the number of characters up to 256. Aliases can ALSO be quoted or UNQUOTED.



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