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 The NVL function is used to replace NULL values with another or given value? True False 2 / 20 How many memory layers does Oracle shared pool have? 3 2 10 4 3 / 20 Which of the following is correct in this scenario? The user can not create tables The user can create tables The user cannot query any tables None of the Mentioned 4 / 20 Which schema object instructs Oracle to connect to remotely access an object of a database? Sequence Remote Link Data Link Database Link 5 / 20 What is the result of the following ‘ORA’NULL’CLE’? Error ORACLE NULL ORA CLE 6 / 20 Which of the following is a disadvantage of the Oracle database? Cost Complexity Difficult to manage All of the above 7 / 20 You can add a datafile to a tablespace by using the ALTER TABLESPACE ADD DATAFILE SIZE; statement. True or False? True False 8 / 20 Which of the following keyword is used with Data Control Language (DCL) statements? GRANT SELECT DELETE INSERT 9 / 20 When you join two or more tables, views, or materialized views, you combine ____ from both tables, views, or materialized views. Columns Rows Both A and B None of the above 10 / 20 What is the result of the following "ORA’NULL’CLE"? ORA CLE ORACLE NULL ERROR 11 / 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 12 / 20 Which of the following is not a type of join? Inner Spin Outer Equi 13 / 20 Which of the following commands is used to obtain the structure of an Oracle table? STRUCTURE [TableName]. DESCRIBE STRUCTURE [TableName]. DESC TABLE [TableName]. DESCRIBE [TableName]. 14 / 20 Which of these is not a type of backup in Oracle? COLD Backup FILE Backup HOT Backup RMAN Backup 15 / 20 Which of the following package procedure is UNRESTRICTED in Oracle? EXECUTE_QUERY CLEAR_BLOCK CALL_INPUT USER_EXIT 16 / 20 Which processes is an instance made of Oracle? Memory processes Oracle background processes Data processes All of the Mentioned 17 / 20 What is the result of the following "ORA’NULL’CLE"? ORA CLE ORACLE NULL ERROR 18 / 20 Which of the following is not a Key in SQL Server? Alternate Foreign Secondary Primary 19 / 20 Which of the following is correct about Oracle? OracleDB is another name for it Oracle is a relational database management system Oracle was built in 1977 All of the above-mentioned 20 / 20 Which of the following is another name of Oracle database’s design? Database Schema Database Abstraction Database Instance None of the Mentioned Your score isThe average score is 0% 0% Restart quiz
