postgres=# CREATE TABLE book (id integer,titles text[]);
CREATE TABLE
postgres=#
postgres=# INSERT INTO book VALUES (102, '{"AAA\'s VVVV"}');
INSERT 0 1
postgres=# INSERT INTO book VALUES (103, '{"AAA", "VVVV"}');
INSERT 0 1
postgres=#
postgres=# select * from book;
id | titles
-----+----------------
102 | {"AAA's VVVV"}
103 | {AAA,VVVV}
(2 rows)
postgres=#
postgres=# UPDATE book
postgres-# SET titles='{"AAA\'s VVV","ABC"}'
postgres-# WHERE id = 102;
UPDATE 1
postgres=#
postgres=# select * from book;
id | titles
-----+-------------------
103 | {AAA,VVVV}
102 | {"AAA's VVV",ABC}
(2 rows)
postgres=#
postgres=# drop table book;
DROP TABLE
postgres=#
postgres=#