ios sqlite

Last login: Tue Jun  2 08:39:17 on console

sunlihuodeMacBook-Air:~ sunlihuo$ pwd

/Users/sunlihuo

sunlihuodeMacBook-Air:~ sunlihuo$ sqlite3 test.sqlite

SQLite version 3.8.5 2014-08-15 22:37:57

Enter ".help" for usage hints.

sqlite> create table if not exists test(id integer primary key, name varchar2, age int);

sqlite> .tables

test

sqlite> .tables

test

sqlite> .schema test

CREATE TABLE test(id integer primary key, name varchar2, age int);

sqlite> alter table test add column test int;

sqlite> .schema test

CREATE TABLE test(id integer primary key, name varchar2, age int, test int);

sqlite> insert into test (name, age) values ('sunlihuo',18);

sqlite> select * from test;

1|sunlihuo|18|

sqlite> .mode column

sqlite> .headeron

Error: unknown command or invalid arguments:  "headeron". Enter ".help" for help

sqlite> select * from test;

1           sunlihuo    18                    

sqlite> .header on

sqlite> select * from test;

id          name        age         test      

----------  ----------  ----------  ----------

1           sunlihuo    18                    

sqlite> update table set name = 'sunlili' where id = 1;

Error: near "table": syntax error

sqlite> update test set name = 'sunlili' where id = 1;

sqlite> select * from test;

id          name        age         test      

----------  ----------  ----------  ----------

1           sunlili     18                    

sqlite> drop table if exists test;

sqlite> select * from test;

Error: no such table: test

sqlite>