Sql join on comma separated field

SELECT * FROM `TABLE1`
JOIN `TABLE2` ON `TABLE1`.`id` = `TABLE2`.`COMMA_SEPERATED_COLUMN` 
AND `TABLE2`.`COMMA_SEPERATED_COLUMN` REGEXP "(^|,)SPECIFIC_ID(,|$)"

############## OR #######################

SELECT * FROM table1 
LEFT JOIN table2 ast ON ast.nodeid = c_NodeId 
AND ',' + ast.GroupNames + ',' LIKE '%,' + table1.GroupAlphabet + ',%';

Comma seperated join mssql

select SM.ROLLNO,
       SM.NAME, 
       SM.ADDRESS,
       (
       select ','+CM.CourseName
       from dbo.CourseMaster as CM
       where ','+SM.Course+',' like '%,'+CM.CourseId+',%'
       for xml path(''), type
       ).value('substring(text()[1], 2)', 'varchar(max)') as Course
from dbo.StudentMaster as SM;

Source: dba.stackexchange.com

Similar codes

3 votes129 views1 answer
Oracle list dates without weekends
SQL
0 vote161 views1 answer
Postgres select from values
SQL
-1 vote82 views1 answer
How to create script to connect to oracle database and run query
SQL
0 vote150 views1 answer
Pgadmin check database
SQL
0 vote140 views1 answer
Regex any word except sql
SQL
0 vote135 views1 answer
Mysql order by rand limit 1 really slow
SQL
1 vote130 views2 answers
Replace text in sql
SQL
4 votes118 views4 answers
Rollback in sql
SQL
16 votes129 views3 answers
Delete row psql
SQL
12 votes214 views2 answers
Find duplicates mysql column
SQL