When reports are due at the end of the month, the Database Administrator can automatically provision more servers to that application to handle the increased demand. 37. Transportable Tablespace 5. Mention Oracle DBA Characteristics. Differentiate between a cluster and a grid. if(typeof e.data==='object'){ return; } In Oracle, months_between function is used to find number of months between the given dates. Difference between varchar and varchar2 data types? } Learn Oracle DBA from Intellipaat's Oracle DBA Training Course and excel in your career! Q7. IN, OUT and INOUT are the modes of parameters that can be passed to a procedure. SUBSTR returns specific portion of a string and INSTR provides character position in which a pattern is found in a string. if(window.addEventListener){ So, here we bring top AWS database interview questions and answers you need to be prepared with. anyone can answer please. Q #1) What do you understand by ‘Database’? Q4. What is difference between SUBSTR and INSTR? Information sharing makes sure that the information, the users and applications need, is available as and when it is requested for. List of items is set to be a collection of list of items. Oracle Database Administrators, also known as Oracle DBAs, are responsible for the implementation and management of a company’s Oracle database system. break; if(src&&src.indexOf("?") 43. A cursor variable is associated with different statements which can hold different values at run time. Logical Standby 4. 1. case "reloadPage": Oracle provides software to create and manage the Oracle Database. if(isJotForm&&"contentWindow" in iframe&&"postMessage" in iframe.contentWindow){ The WITH CHECK option clause specifies check level to be done in DML statements. This means that you do not need to install Oracle Database 11g Release 2 (11.2.0.1) before installing Oracle Database 11g Release 2 (11.2.0.2). Key discussions in this phase should include the following questions. Oracle base is the main or root directory of an oracle whereas ORACLE_HOME is located beneath base folder in which all oracle products reside. The goal is to make computing a utility, a commodity, and ubiquitous. window.handleIFrameMessage=function(e){ script.type='text/javascript'; The language may even be exactly the same as that used in the application, which does not force the programmer to have two representations of his objects. Synchronize converted data with Oracle database After Conversion - Right Click the targeted database and - click synchronize with database. This list includes characteristics of the Oracle database, roles of a Database Administrator, tools used for administering the Oracle database, comparing a cluster with a grid, the architecture of Oracle Grid Computing, and more. This query will display row numbers and the field values from the given table. else if(window.document.webkitExitFullscreen) window.document.webkitExitFullscreen(); 1) What are the components of physical database structure of Oracle database? var iframeParams=[]; + 1).split('&')); Using ROW ID is the fastest query method to fetch data from the table. A DBA has the authority to create new users, remove the existing users, or modify any of the environment variables or privileges assigned to other users. An interviewer may ask you these questions on Oracle.Oracle is a database server that is used to handle data in a structured manner. Oracle Database Interview Questions are the frequently asked questions in the interview process for database related job roles. A list item can have only one column, LOV can have one or more columns. 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