What is joining a table to itself called?(a) COMPLETE(b) SELF(c) OBSOLETE(d) CROSSThis question was addressed to me by my school principal while I was bunking the class.My enquiry is from Performing Multiple topic in portion Using SQL to Manage Data of MySQL

What is joining a table to itself called?(a) COMPLETE(b) SELF(c) OBSOL

1.	What is joining a table to itself called?(a) COMPLETE(b) SELF(c) OBSOLETE(d) CROSSThis question was addressed to me by my school principal while I was bunking the class.My enquiry is from Performing Multiple topic in portion Using SQL to Manage Data of MySQL
Answer» Right choice is (b) SELF To EXPLAIN I would say: JOINING a table to itself in a database is called ‘self-join’. When a self-join is being PERFORMED, the table is being used multiple times within the QUERY and a table name qualifier is unnecessary.

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What is joining a table to itself called?(a) COMPLETE(b) SELF(c) OBSOLETE(d) CROSSThis question was addressed to me by my school principal while I was bunking the class.My enquiry is from Performing Multiple topic in portion Using SQL to Manage Data of MySQL

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