Oracle Nihileswaran No Comment 10Feb Share Welcome to CHOOLS ORACLE ASSESSMENT (YOU HAVE ONLY 30 MINUTES TO COMPLETE THIS PART [20 Questions]) **** Wishing You All The Best **** Instructions : To start the quiz, please provide your name, email id and phone number. All questions are mandatory* Answering each question is required before going on to the next page of questions. Your response is subject to change at any time. After completed the quiz click the submit button. If, once the time is up, it will be automatically submitted. The report will be mailed to your email address after the quiz is finished. 1. Which SQL function is used to find the average value in a column in Oracle? AVG SUM MIN MAX2. In Oracle, what does the term "DDL" stand for? Data Definition Language Data Description Language Database Definition Language Database Description Language3. Which statement is used to grant privileges to a user in Oracle? ALLOW GRANT GIVE PERMISSION4. What is the purpose of the ORDER BY clause in Oracle? To filter rows in a query To sort the result set To group rows based on a column To join tables5. What is the purpose of the ROWID in Oracle? To uniquely identify a row in a table To store the row count in a table To specify the order of the result set To create a primary key6. In Oracle, what is a primary key used for? To enforce uniqueness in a column To establish relationships between tables To provide a default value for a column To sort the result set7. In Oracle, what is the purpose of the SELECT statement? To update records To retrieve data To delete records To insert records8. What is the purpose of the WHERE clause in a SQL query? To specify the order of the result set To filter the rows returned by a query To join tables To group rows based on a column9. Which SQL function is used to find the highest value in a column in Oracle? SUM MIN AVG MAX10. In Oracle, what is the purpose of the COMMIT statement? To undo changes made by the current transaction To permanently delete data from a table To commit the current transaction To create a savepoint11. In Oracle, what does the acronym PL/SQL stand for? Procedural Language/Structured Query Language Programming Language/Standard Query Language Procedure Language/Structured Question Language Procedural Logic/Structured Query Language12. What is the default sorting order in an ORDER BY clause in Oracle? Descending Ascending Random Alphabetical13. Which statement is used to delete data from a table in Oracle? DELETE REMOVE DROP TRUNCATE14. What does SQL stand for? Structured Language Standard Query Language System Query Language Sequential Query Language15. Which function is used to find the minimum value in a column in Oracle? MIN AVG MAX SUM16. What is the purpose of the NVL function in Oracle? To convert a value to uppercase To replace NULL with a specified value To concatenate two strings To find the length of a string17. What is the purpose of the INDEX in Oracle? To define a unique constraint To enforce referential integrity To improve query performance To create a virtual column18. Which function is used to find the total number of rows in a table in Oracle? COUNT SUM AVG MAX19. What is the purpose of the UNION ALL operator in Oracle? To combine the result sets of two or more SELECT statements To join tables based on a condition To filter rows in a query To exclude duplicate rows from the result set20. Which statement is used to remove a table from the database in Oracle? REMOVE TABLE DELETE TABLE DROP TABLE ERASE TABLE5 out of 4Time is Up! Previous Postgre SQL February 10, 2024 Next Bootstrap February 10, 2024 You Might Also Like Hello world CHOOLS No Comment How to Disable Avast Antivirus CHOOLS No Comment AVG Review — Is the Absolutely free Version As effective as the Premium Version? CHOOLS No Comment Understanding the Limitations of Models of Managing CHOOLS No Comment Careers Similar To Teaching CHOOLS No Comment