if(typeof e.data==='object'){ return; } Cross join gives cartesian product of two tables – Rows from first table is multiplied with another table which is called cartesian product. 7 Database Administrator Interview Questions and Answers . 3. else if(window.document.msExitFullscreen) window.document.msExitFullscreen(); What are the benefits of oracle 11g? How to display row numbers with the records? Every Oracle Database migration requires a discovery and planning phase. When interviewing Oracle Database Administrators, the most suitable candidate will have … Q7. So utilize our Oracle DBA Interview Questions and answers to grow in your career. Contingency costs 2. The list contains questions useful for basic, freshers and experienced oracle professionals.Download Complete Oracle Interview Questions PDF. We have compiled a list of Oracle DBA interview questions to help you clear the Oracle DBA job interview. Learn Oracle DBA from Intellipaat's Oracle DBA Training Course and excel in your career! The answers to these questions help determine the grouping of databases, the number of databases to migrate, and the overall effort of the migration. Oracle DBA interview Question with Answer Part 21 ... the only difference is for oracle version. window.attachEvent("onmessage", handleIFrameMessage); script.src=src; Example is –. 5. if(!iframe){ return; } }else if(window.attachEvent){ var script=document.createElement('script'); An integrity constraint is a declaration defined a business rule for a table column. var src=ifr.src; if(args.length > 3){ Q5. Answer: Oracle Database is a relational database management system (RDBMS) which is used to store and retrieve the large amounts of data. Let’s get ahead to prepare with the latest AWS database interview questions and answers. The NVL function is used to replace NULL values with another or given value. 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. 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). We have compiled a list of Oracle DBA interview questions to help you clear the Oracle DBA job interview. Privilege can be given as system privilege or user privilege. Applications can be scheduled and migrated across servers in the grid. A sub query is added in the where clause of the main query. 41. 11. Q3. From 10g onwards we are using startup upgrade to upgrade the database. In an AWS interview, you may come across basic as well as advanced AWS database interview questions. 33. You have done a great job. These questions are common for both Senior Oracle DBA or Junior DBA. document.body.appendChild(script); Manageability 2.3. Duplicate rows in the table can be deleted by using ROWID. A cursor variable is associated with different statements which can hold different values at run time. case "reloadPage": What is the difference between rename and alias? Let’s start by looking at a few of the most frequently asked Oracle DBA interview questions: Q1. Oracle Interview Questions. Simple clusters have static resources for specific applications by specific owners. Q8. LOV is property whereas list items are considered as single item. + 1).split("&")); There are types – Domain Integrity, Referential Integrity and Domain Integrity. The software that manages the database is called the Oracle Database server. this is a complete knowledge pack instructional training. var ifr=document.getElementById("JotFormIFrame-203502300997451"); It will be beneficial for Cloud DBAs too. What are the different Oracle Database objects? if(ifr){ Differentiate between a cluster and a grid. Before migrating an Oracle database, you must gather some information about and back up the source database. A database buffer cache stores the data in memory for quicker access. Database migration projects can be hard, especially your first one, but the benefits of migrating your database to the cloud are significantly greater than the challenges migrations can present. Difference between varchar and varchar2 data types? if(src&&src.indexOf("?") Comments in Oracle can be represented in two ways –. Key discussions in this phase should include the following questions. Required fields are marked *. What is the maximum number of triggers that can be applied to a single table? Each cursor in Oracle has set of attributes which enables an application program to test the state of the cursor. Many organizations are hiring Oracle DBA experts to meet their requirements and the needs and demands of their customers. Improve Functionalities 2.1. 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