Learning immediately: https://edu.csdn.net/course/play/24797/282205?utm_source=blogtoedu
the sqlite3 Import
Conn = sqlite3.connect ( 'test52.db')
C = conn.cursor ()
# execute a query
c.execute ( 'SELECT * from user_tb')
# Description property (tuple) Returns the class information
for col in c .description:
Print (COL [0], End = '\ T')
Print ()
# or fetchall () returns all the data, the use of large amounts of data do not mind
# for Val in c.fetchall ():
# Print (Val)
# either fetchone () returns a row of data
# the while True:
# c.fetchone row = ()
# IF row:
# for Val in row:
# Print (Val, End = '\ T')
# Print ()
# the else:
# BREAK
# fetchmany (n) n is less than the number of list
# for Val in c.fetchmany (2):
# Print (Val)
for val in c:
print(val)
c.close()
conn.close()
