20 Best Oracle Questions and Answers (Q&A) - ProProfs Discuss

Which statement produces the following output?

C. Block, English Professor
Answered: Dec 14, 2018

In order to produce an output that states Dear Customer customer_name with the customer_name data values come from the CUSTOMER_NAME column in the CUSTOMERS table, they need to SELECT Dear...Read More

2 Answers

3024 views

What is not a valid Oracle PL / SQL exception?

H. callum, Content Writer
Answered: Feb 07, 2019

In PL/SQL, an error condition is called an exception. Exceptions can be internally defined (by the runtime system) or user defined. Examples of internally defined exceptions include division by...Read More

2 Answers

1856 views

Which statement shows the view definition of the view EMP_VIEW (that is created based on the table EMP) in oracle?

L.Steven
Answered: Jan 07, 2018

The statement which shows the view definition of the view EMP_VIEW that is created based on the table EMP is given as: SELECT text FROM user_views WHERE view_name = EMP_VIEW. Oracle Corporation...Read More

2 Answers

1772 views

Which statement accomplishes this task?

John Smith
Answered: Apr 18, 2024

D. ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);

1 Answer

1185 views

What keywords describe the capabilities in the following case?

G.Carol
Answered: Feb 19, 2018

Different keywords can be taken out of text and portrayed as a summary. It allows readers to understand the context easily without having to go through all the reading. For instance, when you...Read More

2 Answers

1122 views

Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12?

John Smith
Answered: Apr 18, 2024

SELECT ename, salary*12 "Annual Salary" FROM employees;

1 Answer

993 views

Which query can you use to search for employees with the pattern 'A_B' in their names?

Answered: Apr 18, 2024

SELECT last_name FROM employees WHERE last_name LIKE %A&092;_B% ESCAPE &092; ;

1 Answer

895 views

What is true about joining tables through an equijoin?

M. Krasinski, Content Writer
Answered: Jul 20, 2018

You can join n tables (all having single column primary keys) in an SQL statement by specifying a minimum of n-1 join conditions. The columns in the join condition should coincide with each...Read More

2 Answers

878 views

Which statements are true regarding the order by clause?

RubiyaSameen
Answered: Apr 18, 2024

The sort is in ascending by order by default.
The ORDER BY clause comes last in the SELECT statement.

1 Answer

822 views

Which three statements insert a row into the table?

T. Moore, Writer
Answered: Jan 17, 2019

Based on the given structure, I know of two statements that will have the ability to insert a row into the table. The first one is letter A. The other statement that will have the ability to...Read More

2 Answers

736 views

Which four statements are true of the SQL statement DROP TABLE DEPT in the oracle?

John Smith
Answered: Apr 18, 2024

You cannot roll back this statement.
All pending transactions are committed
All data in the table is deleted, and the table structure is also deleted

1 Answer

710 views

Which select statement will the result ello world from the string Hello World?

John Smith
Answered: Apr 18, 2024

SELECT LOWER (TRIM ( H FROM Hello World )) FROM dual;

1 Answer

637 views

Which conditions in a PL / SQL block cause an exception to occur?

John Smith
Answered: Apr 18, 2024

The SELECT statement returns more than one row.
The SELECT statement does not have a WHERE clause.

1 Answer

380 views

What is the difference between SAP and Oracle?

A. Cook, English Professor
Answered: Sep 02, 2019

SAP is a well-known acronym that comes up when dealing with data processing. The acronym "SAP" simply means "Systems, Applications, and Products." SAP is majorly used in Enterprise Resource...Read More

2 Answers

375 views

Which SQL statement do you use here?

John Adney
Answered: Apr 14, 2017

SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE %SA\_% ESCAPE ;

2 Answers

334 views

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