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Editorial Team
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Asked: 2026-06-15T19:56:40+00:00

I have 2 tables 1st table contain names,email,vegetable_Fruits, and drinks CREATE TABLE Likes (

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I have 2 tables 1st table contain names,email,vegetable_Fruits, and drinks

CREATE TABLE Likes
(
Name varchar(20),
email varchar(20),
Vegetables_Fruits varchar(20),
Drinks varchar(20)
)

i am storing name and email of people those like vegetable ,Fruits and drinks
A person can have any one value
if a person likes vegetable i will update the table as

name email 1 0

if a person likes fruits then

name email 2 0

if a person likes drinks then

name email 0 1

Insert query

INSERT INTO Likes(Name,email,Vegetables_Fruits,Drinks)
     VALUES("aaa","aaa@example.com",1,0),("bbb","bbb@example.com",2,0),("ccc","cc@example.com",0,1),("ddd","dd@example.com",2,0),("eee","ee@example.com",2,0),("fff","ff@example.com",1,0),("ggg","gg@example.com",0,1),("hhh","hh@example.com",0,1)

I have another table which contain list of emails

CREATE TABLE emailList
(
Likes_Vegetables varchar(50),
Likes_Fruits varchar(50),
Drinks varchar(50)
)

Insert Query

INSERT INTO emailList(Likes_Vegetables,Likes_Fruits,Drinks)
       VALUES("aaa@example.com,ff@example.com","bbb@example.com,dd@example.com,'ee@example.com'","hh@example.com,gg@example.com,cc@example.com")

I want to update the 2nd table (emailList) based on the values of 1st table(Likes)
What is the query for this

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1 Answer

  1. Editorial Team
    update emailList 
set 
Likes_vegetables=(select Group_concat(email) from LIKES where Vegetables_Fruits=1),
Likes_Fruits=(select Group_concat(email) from LIKES where Vegetables_Fruits=2),
Drinks=(select Group_concat(email) from LIKES where Drinks=1)
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