File Name: oracle 10g questions and answers .zip
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. The maximum size for a raw in a table in bytes. Example is —.
Home page Contact Us. Net DWH New. What is a database trigger? A database trigger is event driven program. You do not need to invoke a trigger.
Welcome to Mindmajix - The leading global online training platform. There are a lot of opportunities from many reputed companies in the world. This course will help you to achieve excellence in this domain. SQL is a language used to communicate with the server to access, manipulate, and control data. Ans: Alias is a user-defined alternative name given to the column or table. By default column, alias headings appear in upper case.
To manage the database level tractions such as modifications of the data dictionary table that record information about the free space usage. One data block corresponds to a specific number of bytes of physical database space on disk. Changes made to the records are written to the on-line redo log files. So that they can be used in roll forward operations during database recoveries. Before writing them into the redo log files, they will first brought to redo log buffers in SGA and LGWR will write into files frequently. An extent is a specific number of contiguous data blocks, obtained in a single allocation and used to store a specific type of information. A user account is not a physical structure in database but it is having important relationship to the objects in the database and will be having certain privileges.
Oracle Data Guard Interview Questions. The ASM file is unavailable until the grid process starts. Ans: The following are the different benefits of using the Oracle Data Guard feature in your environment. High Availability. Data Protection. The off-loading Backup operation to standby database. Automatic Gap detection and Resolution in standby database.
IntegrityConstraints Itcanbecalledasadeclarativewayinordertodefinea businessruleforatable'scolumn. Itcanbecalledasanoptionalstructurewhichisassociated withatablefordirectaccesstotherows Indexcanbecreatedforoneormorecolumnsinatable. Itcanbedefinedasaspecificnumberofcontiguousdata blocksinsingleallocation. ANALYZEcommandisusedtoperformvariousfunctionson index,table,orcluster,aslistedbelow: Ithelpsindentifyingmigratedandchainedrowsofthetableor cluster. Ithelpsincollectingthestatisticsaboutobjectusedbythe optimizer.
By Priya Pedamkar. Oracle Database Interview Questions are the frequently asked questions in the interview process for database related job roles. Oracle as a database service provider to the industry is the leading vendor for Transactional systems, Data warehouse, enterprise grid computing, and in house legacy applications.
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Searching for a new job can be more difficult know a day even searching itself might become a big job for you. So, to clear all your confusions on interview locations, interview questions we have given detail on our Wisdomjobs site. For more details on Oracle 10g job Interview Questions and Answers and Oracle 10g job s visit our site. Question 1. What Is Oracle 10g? Answer : Oracle 10g is a version of the Oracle Database.
What is Oracle and what are its different editions? Answer: Oracle is one of the popular database provided by Oracle Corporation, which works on relational management concepts and hence it is referred to as Oracle RDBMS as well. It is widely used for online transaction processing, data warehousing, and enterprise grid computing. What is a Data Dictionary and how can it be created?
- На этих таблицах есть числа. Количество протонов.
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Oracle DBA Questions and Answers Pdf. This interview section questions contains a brief introduction to the Orcle DBA. It is intended as a tutorial on the Oracle.Reply