Oracle sql interview questions and answers pdf free download
- Important Oracle Interview Questions with Answers
- Top 65 PL/SQL Interview Questions & Answers
- SQL Interview Questions & Answers Pdf Download – Top Oracle Interview Questions
- 500 Oracle interview questions and answers - Oracle FAQ PDF.pdf
Important Oracle Interview Questions with Answers
Oracle interview questions and answers for freshersand online the does
IntegrityConstraints Itcanbecalledasadeclarativewayinordertodefinea businessruleforatable'scolumn. Itcanbecalledasanoptionalstructurewhichisassociated withatablefordirectaccesstotherows Indexcanbecreatedforoneormorecolumnsinatable. Itcanbedefinedasaspecificnumberofcontiguousdata blocksinsingleallocation. ANALYZEcommandisusedtoperformvariousfunctionson index,table,orcluster,aslistedbelow: Ithelpsindentifyingmigratedandchainedrowsofthetableor cluster. Ithelpsincollectingthestatisticsaboutobjectusedbythe optimizer. Ithelpsindeletingstatisticsusedbyobjectfromthedata dictionary.
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PL SQL is a procedural language which has interactive SQL, as well as procedural programming language constructs like conditional branching and iteration. Cursor is a named private area in SQL from which information can be accessed. They are required to process each row individually for queries which return multiple rows. It then opens a cursor, gets rows of values from the active set in fields of the record and shuts when all records are processed. It is used for : 1 Audit data modifications. Function is called as a part of an expression.
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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.
Top 65 PL/SQL Interview Questions & Answers
Varchar 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.
SQL Interview Questions & Answers Pdf Download – Top Oracle Interview Questions
500 Oracle interview questions and answers - Oracle FAQ PDF.pdf