Iscar interview questions

self Introduction, work situations, explaining cyber attack to an old man, 3 written questions: SQL, working with 2 tables of students and grades to output summary report without SQL, first non repeating char in string.

Initial technical interview, they asked me to talk about myself, my work experience, to talk about something challenging and how I solved it. Choose 1 of my project and talk about it, in which part I love to work, they start to ask technical question about the project.