Interview Questions Answers.ORG
Interviewer And Interviewee Guide
Interviews
Quizzes
Home
Quizzes
Interviews DB Oracle Interviews:Concepts and ArchitectureData AccessDatabase ArchitectureDatabase ManagementDatabase Security OracleDistributed ProcessingFlexfieldForms ReportsGeneral OracleMemory ManagementMTO-SAP Financial AccountingOCIOracle AOLOracle AROracle Backup RecoveryOracle D2KOracle DatabaseOracle Database DeveloperOracle DB OptimizationOracle DBAOracle DeveloperOracle ETLOracle Forms 3.0Oracle Forms 4.0Oracle GLOracle PL-SQLOracle RMANOracle ScenariosOracle SecurityOracle SQLOracle System ArchitectureOracle Technology Network (OTN)Programmatic ConstructsRAC (Real Application Clusters)SQL Plus
Copyright © 2018. All Rights Reserved
Oracle DBA Interview Question:
Explain two easy SQL optimizations.
Submitted by: Administratora. EXISTS can be better than IN under various conditions
b. UNION ALL is faster than UNION (not sorting)
Submitted by: Administrator
b. UNION ALL is faster than UNION (not sorting)
Submitted by: Administrator
Copyright 2007-2024 by Interview Questions Answers .ORG All Rights Reserved.
https://InterviewQuestionsAnswers.ORG.
https://InterviewQuestionsAnswers.ORG.