This document contains 30 technical questions about MySQL covering topics such as its features and usage, data types, storage engines, indexing, and more. Some of the questions ask about the difference between concepts like FLOAT and DOUBLE, CHAR and VARCHAR, primary keys and candidate keys. Others ask about functions, commands, and operations related to MySQL like how to view the version, login using Unix shell, use myisamchk, control max HEAP table size, find the last auto increment value, see defined indexes, and convert between Unix and MySQL timestamps.

1. Technical Questions for 1 year Experience in Mysql
1. What is MySQL?
2. What are the technicalfeatures of MySQL?
3. Why MySQL is used?
4. What are Heap tables?
5. What is the default port for MySQL Server?
6. What are the advantages ofMySQL when compared with Oracle?
7. Differentiate betweenFLOAT and DOUBLE?
8. Differentiate CHAR_LENGTHand LENGTH?
9. How to representENUMs and SETs internally?
10. What is the usage of ENUMs in MySQL?
11. Define REGEXP?
12. Difference betweenCHAR and VARCHAR?
13. Give string types available for column?
14. How to get current MySQL version?
15. What storage engines are usedin MySQL?
16. What are the drivers in MySQL?
17. What does a TIMESTAMP do on UPDATE CURRENT_TIMESTAMP
data type?
18. What is the difference betweenprimary keyand candidate key?
19. How do you login to MySql using Unix shell?

2. 20. What does myisamchk do?
21. How do you control the max size of a HEAP table?
22. What is the difference betweenMyISAM Static and MyISAM Dynamic?
23. What are federatedtables?
24. What, if a table has one column defined as TIMESTAMP?
25. What happens when the column is set to AUTO INCREMENT andif you
reachmaximum value in the table?
26. How can we find out which auto increment was assignedon Last insert?
27. How can you see all indexes defined for a table?
28. What do you mean by % and _ in the LIKE statement?
29. How can we convert betweenUnix & MySQL timestamps?
30. What are the column comparisons operators?