Modifying an array subscript : Array Column Update « Array « PostgreSQL

1. PostgreSQL
2. Array
3. Array Column Update

Modifying an array subscript

postgres=#
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=# -- Modifying an array subscript
postgres=#
postgres=#
postgres=# UPDATE book
postgres-#         SET titles[1] = 'New\'s New'
postgres-#         WHERE titles[1] = 'AAA';
UPDATE 1
postgres=#
postgres=# SELECT titles[1] FROM book;
   titles
------------
 AAA's VVVV
 New's New
(2 rows)

postgres=#
postgres=# drop table book;
DROP TABLE
postgres=#
postgres=#
           
       

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