PHP Engineer
- Wipro Technologies
- 1-2 years
Questions
- What are the different types of operators available in PHP?
- Explain the difference between single quotes ('') and double quotes ("") in PHP.
- How do you handle file uploads in PHP?
- What is the difference between include() and require() in PHP?
- Explain the concept of autoloading in PHP.
- How do you create a new database in MySQL?
- What are primary keys and foreign keys in MySQL? How are they used?
- Explain the difference between the CHAR and VARCHAR data types in MySQL.
- How do you join tables in MySQL? Explain different types of joins.
- What is the difference between UNION and UNION ALL in MySQL?
