Oracle developer interview questions and answers pdf
Important Oracle Interview Questions with Answers | TestingBrainVarchar can store upto bytes and varchar2 can store upto bytes. Both are differed with respect to space. RAW datatype is used to store values in binary data format. The maximum size for a raw in a table in bytes. It also hold entire sub table.
oracle top most important interview questions and answers for freshers / experienced videos
Oracle Interview Questions
Here is a list of 60 interview questions about Oracle Database with their answers. The list contains questions useful for basic, freshers and experienced oracle professionals. Each question contains their answer also. Its a good practice to go through all of these questions before attending the interview. Its main areas of specialization include developing and marketing database software and technology, enterprise software products and cloud engineered systems. Oracle was second to Microsoft in terms of the highest revenue generation by a software making company in
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IntegrityConstraints Itcanbecalledasadeclarativewayinordertodefinea businessruleforatable'scolumn. Itcanbecalledasanoptionalstructurewhichisassociated withatablefordirectaccesstotherows Indexcanbecreatedforoneormorecolumnsinatable. Itcanbedefinedasaspecificnumberofcontiguousdata blocksinsingleallocation. ANALYZEcommandisusedtoperformvariousfunctionson index,table,orcluster,aslistedbelow: Ithelpsindentifyingmigratedandchainedrowsofthetableor cluster. Ithelpsincollectingthestatisticsaboutobjectusedbythe optimizer. Ithelpsindeletingstatisticsusedbyobjectfromthedata dictionary. Oracleform Oraclesecurity Oraclesystemprivilege Oracleobjectprivileges Oracletableprivileges.