Infytq DBMS Questions and Answers 2023: In this article, we will be discussing some important Infytq DBMS Questions and Answers which will help you guys to crack Infytq 2023 exam.
So, If you are also preparing for Infytq exam, Must prepare these questions.
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Question 1: Which SQL Clause is used to combine data from two or more tables ?
- ADD
- INSERT INTO
- MERGE
- JOIN
Correct Answer – 4th Option
JOIN
Question 2: Which is not a valid type of JOIN ?
- INNER JOIN
- LEFT UPPER JOIN
- OUTER JOIN
- LEFT OUTER JOIN
Correct Answer – 2nd Option
LEFT UPPER JOIN
Question 3: Which type of JOIN is used to returns all rows, if there is one match in both tables ?
- INNER JOIN
- FULL JOIN
- OUTER JOIN
- LEFT JOIN
Correct Answer – 1st Option
INNER JOIN
Question 4: Which type of JOIN is used to returns all rows from left table and only matched rows from right table ?
- INNER JOIN
- FULL JOIN
- OUTER JOIN
- LEFT JOIN
Correct Answer – 4th Option
LEFT JOIN
Question 5: Which type of JOIN is used to returns all rows from right table and only matched rows from left table?
- INNER JOIN
- RIGHT JOIN
- FULL JOIN
- LEFT JOIN
Correct Answer – 2nd Option
RIGHT JOIN
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Question 6: Which type of JOIN is used to returns all rows, if there a match in one of the tables?
- INNER JOIN
- RIGHT JOIN
- FULL JOIN
- LEFT JOIN
Correct Answer – 3rd Option
FULL JOIN
Question 7: What is the difference between UNION and UNION ALL?
- UNION ALL returns only DISTINCT values while UNION Operator returns all values.
- UNION Operator returns only DISTINCT values while UNION ALL returns all values.
- Both of Above.
- None of these.
Correct Answer – 2nd Option
Question 8: Which is the correct syntax for UNION Operator?
- SELECT column_name(s) FROM TABLE table_name1
UNION
SELECT column_name(s) FROM TABLE table_name2 - SELECT column_name(s) FROM table_name1
UNION
table_name2 - SELECT column_name(s) FROM table_name1
UNION
SELECT column_name(s) FROM table_name2 - SELECT column_name(s) FROM table_name1
UNION
table_name2
Correct Answer – 3rd Option
SELECT column_name(s) FROM table_name1
UNION
SELECT column_name(s) FROM table_name2
Question 9: INSERT, UPDATE and DELETE statements belong to ?
- DQL Language
- DDL Language
- DCL Language
- DML Language
Correct Answer – 4th Option
DML Language
Question 10: The SQL UNION Operator is combines the result of two or more ________ statements.
- INSERT
- UPDATE
- SELECT
- DELETE
Correct Answer – 3rd Option
SELECT