Understanding Oracle Operators: Beginner-Level Quiz

Which operator will be evaluated first in the following SELECT statement?

SELECT (2+3*4/2-5) FROM dual;

The _____ operator in Oracle is used to combine two result sets and returns the data which are common in both the result set.

According to Oracle, the ____ operator returns all rows that are not returned in the second SELECT statement from the first SELECT statement.

The ORDER BY clause can be used to order the results of a query using the Oracle ____ operator.

Duplicates are not removed by the UNION operator. True or False?

The INTERSECT Operator picks up records that are ____ from several SELECT queries in Oracle.

When you run several SELECT statements in Oracle, you can use the ____ Operator to return the results.

Which statement is true regarding operators used with subqueries?

If a SQL statement contains multiple set operators, then Oracle Database evaluates them from the right to left unless parentheses explicitly specify another order. True or False?

The UNION operator combines the results of two or more SELECT queries into a single result set – as if it came from a single query.

In the case of UNION Operations, there must be the ___ number of expressions in both statements of the SELECT statement.

You can use the Oracle ____ operator if you don't want to remove duplicate data.

In the results sets of the SELECT statements inside the UNION ALL, the result sets must contain fields of a ___ type.

When two or more Oracle Select statements are combined with the _____ operator, the result sets are combined.

The _______ Operators in Oracle are used for performing mathematical calculations such as Addition, Subtraction, Multiplication, Module, and Division represented by the expected +, -, *(star or asterisk), %, and / forward slash symbols respectively on the given operand values.

UNION ALL combines the results from multiple ____ statements in Oracle.

Operators are used to expressing the conditions in Select statements. True or False?

After the UNION, the result set would only contain a ____ instance of it because Oracle removes duplicates.

Hoe many types of operators are there in Oracle?

Which is not a type of operator in Oracle?