import sqlite3
con=sqlite3.connect('firma.db')
con.row_factory=sqlite3.Row
cur=con.cursor()
cur.execute("DROP TABLE IF EXISTS pracownicy")
cur.execute("""
CREATE TANLE IF NOT EXESTS pracownicy (
id INTERGER PRIMARY KEY ASC,
imie varchar(50),
nazwisko varchar(70)
) """)
cur.executescript("""
DROP TABLE IF EXESTS telefony;
CREATE TABLE IF NOT EXESTS telefony(
nr_tel varchar(20) PRIMARY KEY,
opis varchar(250),
pracownicy_id INTERGER,
FOREIGN KEY (pracownicy_id) REFERENCES pracownicy(id)
) """)
cur.execute("INSERT INTO pracownicy VALUES(NULL,?,?);",('Jan','Kowalski'))
cur.execute("INSERT INTO pracownicy VALUES(NULL,?,?);",('Adam','Nowak'))
cur.execute("INSERT INTO pracownicy VALUES(NULL,?,?);",('Ola','Wiosna'))
cur.execute("SELECT id FROM pracownicy WHERE imie=?",('Jan',))
pracownicy_id=cur.fetchone()[0]
telefon=(
('500500500','komórka',pracownicy_id)
('500500505','stacjonarny',pracownicy_id)
)
cur.executemany("INSERT INTO telefony VALUES(?,?,?);",telefon)
def czytajdane():
cur.execute('SELECT * FROM pracownicy')
pracownik=cur.fetchall()
for prac in pracownik:
print(prac['id'],prac['imie'],prac['nazwisko'])
print()
cur.execute(
"""
SELECT nr_tel, nazwisko FROM pracownicy,telefony WHERE pracownicy_id=telefony.pracownicy_id
""")
telefon=cur.fetchall()
for tel in telefony:
print(tel['nr_tel'],tel['nazwisko'])
print()
czytajdane()
cur.execute('SELECT id FROM pracownicy WHERE nazwisko=?',('Nowak',))
pracownicy_id=cur.fetchall()[0]
cur.execute('DELETE FROM pracownicy WHERE id=?',(3,))
con.commit()
czytajdane()
con.close()
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