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 ________ are generally executed in the form of subqueries where rows are picked up only from the first (left) table concerning a condition (or a set of conditions) that is matched in the second table. Anti-Join Query Semi-Join Query Natural Join Outer Join 2 / 20 Which of the following is not a Key in SQL Server? Alternate Foreign Secondary Primary 3 / 20 The redo log buffer and Shared pool are elements of? Buffer cache SGA PGA PGA and Buffer cache 4 / 20 What is the result of the following ‘ORA’NULL’CLE’? Error ORACLE NULL ORA CLE 5 / 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 6 / 20 How many memory layers does Oracle shared pool have? 3 2 10 4 7 / 20 Which schema object instructs Oracle to connect to remotely access an object of a database? Sequence Remote Link Data Link Database Link 8 / 20 What is the result of the following "ORA’NULL’CLE"? ORA CLE ORACLE NULL ERROR 9 / 20 Which of the following package procedure is UNRESTRICTED in Oracle? EXECUTE_QUERY CLEAR_BLOCK CALL_INPUT USER_EXIT 10 / 20 The size and content of the PGA (Program Global Area) are independent of the Oracle server options installed. True or False? True False 11 / 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]. 12 / 20 You can add a datafile to a tablespace by using the ALTER TABLESPACE ADD DATAFILE SIZE; statement. True or False? True False 13 / 20 Which of the following is a disadvantage of the Oracle database? Cost Complexity Difficult to manage All of the above 14 / 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 15 / 20 Which of the following is not a type of join? Inner Spin Outer Equi 16 / 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 17 / 20 What is the result of the following "ORA’NULL’CLE"? ORA CLE ORACLE NULL ERROR 18 / 20 Which of the following is the oldest database model? Physical Deductive Relational Network 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 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 Your score isThe average score is 0% 0% Restart quiz
