SóProvas


ID
646138
Banca
FCC
Órgão
TJ-PE
Ano
2012
Provas
Disciplina
Banco de Dados
Assuntos

São aggregate functions da SQL:

Alternativas
Comentários
  •  

    SQL Aggregate Functions

    SQL aggregate functions return a single value, calculated from values in a column.

    Useful aggregate functions:

    • AVG() - Returns the average value

    • COUNT() - Returns the number of rows
    • FIRST() - Returns the first value
    • LAST() - Returns the last value
    • MAX() - Returns the largest value
    • MIN() - Returns the smallest value
    • SUM() - Returns the sum