10 amaliy ishi. Agrеgat funksiyalardan foydalanish
mb amaliy 3
- Bu sahifa navigatsiya:
- CREATE VIEW
- 2.AVG(); select avg(ish_staji) as ustozlarning ortacha reytingi from ustozlar; 3. MIN(); select min(yoshi) as eng yosh oqituvchi, FIO from ustozlar;
- 5.COUNT(); select count(*) as kollejdagi kafedralar soni from kafedra; 67. RAND(); ROUND(); select id, FIO, round(rand(yoshi)*100, 0) as random yosh from xodim;
- 11 – Amaliy ish. Murakkab so‘rovlar yaratish SQL LIMIT va SQL TOP operatorlarining vazifasi belgilangan satrlarni chaqirishdan iborat. SQL TOP operatori MS SQL
- SQL Server / MS Access Syntax: SELECT TOP number | percent column_name(s) FROM table_name WHERE condition ; MySQL
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