db相关

import sqlite3
conn=sqlite3.connect(‘D:/test.db‘)
c=conn.cursor()
sql=‘‘‘create table if not exists basic_info
(id int,
label text)‘‘‘

sql1=‘‘‘
insert into basic_info values (1,‘A‘);
insert into basic_info values (2,‘B‘)‘‘‘

c.execute(sql)
c.executescript(sql1)
c.executemany(‘insert into basic_info values (?,?)‘,[(3,‘C‘)])

for value in [(4,‘D‘)]:
    c.execute(‘insert into basic_info values (?,?)‘,value)

conn.commit()

rows=c.execute(‘select * from basic_info‘)
for row in rows:
    print row

rows=c.execute(‘select * from basic_info‘)
for row in rows.fetchall():
    print row

rows=c.execute(‘select * from basic_info‘)
for row in rows.fetchone():
    print row

rows=c.execute(‘select * from basic_info‘)
for row in rows.fetchmany():
    print row

c.close()
conn.close()