insert multiple data in a single field using separator

Question

Hi In my project I have one topic and related to that i have multiple questions. ex: topic question t1 q1 t1 q2 t1 q3 currently i am storing data in database like: topic question t1 q1 t1 q2 t1 q3 but i want like this: topic question t1 q1q2q3 please help me..

Sanjeeb Lenka · Answer

can you plz provide your front end design how you are selecting the topics. if you are using checkbox then on button click append the topic int to a string with comma and insert it.