how to retrieve the values that contains a part of value in the column

问题

Suppose I have a column lastName and I have the data as

kumar yadav
kumar shah
raghu.
kumar

Now I want to write a SQL query that to get the values whose last name contains kumar.

回答1:

Use the like operator

select *
from tablename
where lastname like '%kumar%'

来源：https://stackoverflow.com/questions/55862588/how-to-retrieve-the-values-that-contains-a-part-of-value-in-the-column