ORACLE DATABASE INTERVIEW QUESTIONS
Course:Oracle
Chapter:Chapter 7 - DQL (Data Query Language)
Topic:STRING FUNCTIONS
Questions Count:10
1
What is the purpose of the CONCAT function in Oracle SQL?
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2
How do you use the SUBSTR function in Oracle SQL?
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3
How do you convert a string to upper case using the UPPER function in Oracle SQL?
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4
How do you use the INSTR function in Oracle SQL?
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5
How do you use the REPLACE function in Oracle SQL?
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6
How do you use the TRIM function to remove leading and trailing spaces in Oracle SQL?
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7
How do you use the LPAD function in Oracle SQL?
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8
How do you use the RPAD function in Oracle SQL?
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9
How do you use the REGEXP_SUBSTR function to extract a substring using a regular expression in Oracle SQL?
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10
Explain a scenario where you need to use multiple string functions in a real-world application and how you would implement it in Oracle.
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