Table created. Table created. Table created. Table created. Table created. Table created. Table created. Sequence created. Sequence created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. 1 row created. KOD_PREDMET NAZEV ----------- ------------------------------ 1 Zaklady Programovani KOD_STUDENT JMENO PRIJMENI ----------- ------------------------------ ------------------------------ 1 Pavel Zuna 2 Honza Novak 3 Jiri Novotny 4 Jana Halova KOD_UCITEL JMENO PRIJMENI ---------- ------------------------------ ------------------------------ 1 Bohuslav Stefan 2 Karel Branka SEMESTR AVG(STUDENT.KREDITY) --------- -------------------- 1 34 SELECT P.kod_predmet, P.nazev, COUNT(V.*) FROM Predmet P, vyucuje V WHERE P.kod_predmet = V.kod_pred * ERROR at line 1: ORA-01747: invalid user.table.column, table.column, or column specification KOD_UCITEL JMENO PRIJMENI ---------- ------------------------------ ------------------------------ 1 Bohuslav Stefan 2 Karel Branka KOD_UCITEL JMENO PRIJMENI ---------- ------------------------------ ------------------------------ 1 Bohuslav Stefan 2 Karel Branka