On Wed, May 31, 2023 at 03:17:14PM +0800, Wen Yi wrote: > Hi team, > when I learn the postgres, I try to store the ' into the database, > > but something unexpected happend. > > > postgres=# CREATE TABLE test (str varchar); > CREATE TABLE > postgres=# INSERT INTO test values ('''); > postgres'# SELECT * FROM test; In here, in prompt, you can see that it's waiting for you to end your '-qutoed string. You seem to expect INSERT INTO test values ('''); to do something, which it won't as it's not full query. What do you think this should be doing? Best regards, depesz