Describe what you would have to do if indexes werent


Question: Identify one reason indexes are useful. Explain what you would have to do if indexes weren't available in order to achieve the reason you initially stated.

Part 1: Select one of the following Vendor's Relational Database Management SystemRDMS: Oracle (Oracle Database Server), Microsoft, IBM (DB2), Sybase, Any Open Source RDMS (MySQL, Firebird, PostgreSQL, Ingres), or SAP (MaxDB). Then, briefly review how the query optimizer generates and chooses a query plan.

Describe what you would have to do if indexes weren't available in order to get the reason you initially stated and how the query optimizer generates and selects a query plan.

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