61. Keltirilgan qaysi mbbt tekin gnu lisenziyasibilan tarqatiladi

90.Ichki bog‘lanish peratori – bu
a)*INNER JOIN
b)FULL OUTER JOIN
c)RIGHT OUTER JOIN
d)LEFT OUTER JOIN
91.Chap tashqi bog‘lanish operatori – bu
a)*LEFT OUTER JOIN
b)INNER JOIN
c)FULL OUTER JOIN
d)RIGHT OUTER JOIN
92.INTERSECT operatori nimaga mo‘ljallangan
a)*Ikkala tanlovda mavjud umumiy natijalarni chiqarish uchun
b)Birinchi tanlovda mavjud, lekin ikkinchisida yo‘q bo‘lgan natijalarni chiqarish uchun
c)Ikki so‘rov tanlovining natijalarini birlashtirish uchun
d)Ikki jadvaldan olingan natijalarni birlashtirish uchun
93.SELECT COUNT(id) FROM STUDENT so‘rovini nima qaytaradi
a)* STUDENTlarning miqdori
b)STUDENTning maksimal indentifikatori
c)STUDENTning oxirgi identifikatori
d)STUDENTning birinchi identifikatori
94.Qaysi operator yordamida «Raznostь» amali bajariladi
a)* MINUS
b)INTERSECT
c)UNION
d)DEVIDE