Frage im Vorstellungsgespräch bei Valeo
REST vs SOAP? Stateless vs statfull? OOP? Data structure? Sorting? Easy Problem solving? SQL?(Tricky query and relations design) ORM? Sessions,cookies,local storage and view state? Threads? Design patterns(Singleton, Factory)? Authorization techniques?
Antworten zu Vorstellungsgespräch
Anonym
19. Okt. 2019
I was asked to draw the ERD of a many to many relation of employee (employee_id,employee_name) and languages (language_id,language_name) each employee can speak many languages and each language is spoken by many employees , so I drew an extra table called language-employee with the employee_id and the language_id which has a one too many relation with each the employee and the language . then he asked me to write sql query to select the employee name and the language name, I used join