Write a select query that will be displayed the duplicated site name and how many times it is duplicated?
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Is it possible to extend the execution time of a php script?
What is php beginner?
What are the advantages of indexes?
does current version of mysql (myisam) supports foreign keys ?
What is echo and print in php?
Questions on OOP concepts 1. What are the access specifiers available in php ? Explain 2. What is object cloning ? 3. What are the differences between interface and abstract class ? 4. What is overloading ? 5. What is overriding ? 6. How to prevent function overriding ? 7. What is the use of "final" keyword ? 8. What is static variable ? How will access a static variable ? What is static class ?
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we store and display scores of users in different games. In MySQL, records are stored as tuples (user-id, game-id, score). Now we need to support ranks of users, i.e., each user should be informed of his current rank in the community. The challenge is to come up with the best way to store the data in MySQL so that the requirements are efficiently met.
Tell me what's the difference between include and require?
Why do we use sessions in php?
Explain scalar type declarations in php7?