Oracle Entry-Level Interview Questions October 7, 2024September 15, 2024 by AJ Oracle Entry-Level Interview Questions Here is a quick and informal assessment quiz to evaluate the foundational knowledge and skills of candidates aspiring to start their careers in Oracle technologies. This assessment focuses on core database concepts, SQL proficiency, and an understanding of Oracle tools. Let's get right at it! 1 / 20 You can add a datafile to a tablespace by using the ALTER TABLESPACE ADD DATAFILE SIZE; statement. True or False? True False 2 / 20 Which schema object instructs Oracle to connect to remotely access an object of a database? Remote Link Data Link Sequence Database Link 3 / 20 What is the result of the following "ORA’NULL’CLE"? ORA CLE ORACLE NULL ERROR 4 / 20 The redo log buffer and Shared pool are elements of? Buffer cache SGA PGA PGA and Buffer cache 5 / 20 Which of these is not a type of backup in Oracle? COLD Backup FILE Backup HOT Backup RMAN Backup 6 / 20 Which of these are temporal data types? Sum datatype, Count datatype, and Average datatype Date datatype, Time stamp datatype, Interval datatype Join datatype, Equi datatype, Inner datatype Sub query, Sub joins, and Cross joins 7 / 20 Which of the following is not a type of join? Inner Spin Outer Equi 8 / 20 Which of the following is record based logical model? Object oriented model Network Model E-R Model None of the above 9 / 20 Which of the following components comprise an Oracle architecture? Database related background processes Tablespaces Datafiles All of the above-mentioned 10 / 20 Which schema object instructs Oracle to connect to remotely access an object of a database? Sequence Remote Link Data Link Database Link 11 / 20 Which of the following keyword is used with Data Control Language (DCL) statements? GRANT SELECT DELETE INSERT 12 / 20 The size and content of the PGA (Program Global Area) are independent of the Oracle server options installed. True or False? True False 13 / 20 Which processes is an instance made of Oracle? Memory processes Oracle background processes Data processes All of the Mentioned 14 / 20 Which of the following is a disadvantage of the Oracle database? Cost Complexity Difficult to manage All of the above 15 / 20 Which of the following package procedure is UNRESTRICTED in Oracle? EXECUTE_QUERY CLEAR_BLOCK CALL_INPUT USER_EXIT 16 / 20 Which of the following statements is not an advantage of bind variables? Bind variables also protect against SQL injection attacks, require minimal maintenance, and reduce memory usage. Bind variables improve performance through caching and reusing, reducing the need for parsing Bind variables uses heuristics or rules of thumb and statistics to decide on the most efficient execution plan based on available indexes, table size, and query complexity. Non of the above. 17 / 20 Which of the following is referred to as the language used application programs to request data from the DBMS? Query language DDL DML None of the above 18 / 20 Which of the following is not a Key in SQL Server? Alternate Foreign Secondary Primary 19 / 20 Which of the following is another name of Oracle database’s design? Database Schema Database Abstraction Database Instance None of the Mentioned 20 / 20 Which of the following areas of PGA stores binding variables and run-time buffers information? Stack space Private SQL area Session area SQL area Your score isThe average score is 0% 0% Restart quiz
