How to create your own crawler?

Question

Trying to create my own search engine.If there is anyone who has already done this project?

Answer 1

I've created a search engine for alumni,
to fetch records of alumni of my college.

Answer 2

I purchase a hosting and a domain,
Start coding in PHP using HTML, CSS and JavaScript.
All I had to do was insert some data in database and fetch it to the webpage.

Answer 3

Hello sachin can you please tell me more about that?I mean the procedure.How you begun?Tools and languages you used,etc.

Answer 4

that's not a search engine I guess.Search engine searches the web and not the database.Did you make a crawler or spider?