Top 20 MySQL Interview Question and Answer for Freshers PHP & MySQL

Описание: Top 20 MySQL Interview Question and Answer for Freshers PHP & MySQL

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1.What is MYSQL?
2.What are the technical features of MySQL?
3.What is the difference between MySQL and SQL?
4.What is the difference between Database and

Table?
5.What is Heap Table?
6.What is BLOB and TEXT in MySQL?
7.What is the difference between CHAR and VARCHAR?
8.What is the difference between TRUNCATE and

DELETE in MySQL?
9.What is the difference between FLOAT and DOUBLE?
10.What is the difference between FLOAT and DOUBLE?
11.What is the default port for MySQL server?
12. What is the difference between mysql_connect

and mysql_pconnect?
13. How to display nth highest salary from a table

in a MySQL query?
14. What is the difference between Primary key and

Candidate key?
15. What is the different between NOW() and

CURRENT_DATE()?
16. How many TRIGGERS are allowed in MySQL table?
17. What is the difference between

mysql_fetch_array and mysql_fetch_object?
18. How To Display Top 50 Rows?
19. How The User Can Get The Current SQL Version?
20. What Are Meant By Joins In MySQL?

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