Infosys DSE Role interview questions

my interview goes 30 minutes he asked me directly oops concepts then some SQL questions then jump to my project asked me project implementation and algorithms used in the project and asked internship project then some basics hr question last he asked me what is your future goal and where your see yourself 5 years down the line. what is polymoriphism what joints in SQL what is client server architecture tell me about your project some basics question related to net tech