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    • Curso Firebird
      • Curso Firebird SQL 01 – Conhecendo ISQL Tool
      • Curso Firebird SQL 02 – Domínios
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      • Curso Firebird SQL 04 – Primary Key
      • Curso Firebird SQL 05 – Chaves Compostas
      • Curso Firebird SQL 06 – Foreign key Restrict e Cascade
      • Curso Firebird SQL 07 – Insert into
      • Curso Firebird SQL 08 – Select
      • Curso Firebird SQL 09 – Where
      • Curso Firebird SQL 10 – Like
      • Curso Firebird SQL 11 – Update
      • Curso Firebird SQL 12 – Delete
      • Curso Firebird SQL 13 – Order By
      • Curso Firebird SQL 14 – First
      • Curso Firebird SQL 15 – In
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      • Curso Firebird SQL 17 – Generator e Trigger
      • Curso Firebird SQL 18 – Exception
      • Curso Firebird SQL 19 – Join
      • Curso Firebird SQL 20 – Left Join
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      • Curso Firebird SQL 33 – Concatenate
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    • Como Instalar
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      • MySQL Server #1 – Databases
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      • MySQL Server #11 – Inner Join, Left Join e Right Join
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      • MySQL Server #15 – Order By
      • MySQL Server #16 – Sum e Group by
      • MySQL Server #17 – AVG
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      • Replicação de dados com MySQL
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    • Instalando PostgreSQL
      • PostgreSQL #1 Instalando no Linux Ubuntu 18 e derivados como Mint e Elementary
      • PostgreSQL #2 Instalando no Windows 10
      • Instalar PostgreSQL 14 no Windows 11
    • Curso PostgreSQL
      • PostgreSQL #3 Tablespace no Linux
      • PostgreSQL #4 Tablespace no Windows
      • PostgreSQL #5 Database
      • PostgreSQL #6 Schemas
      • PostgreSQL #7 Domain
      • PostgreSQL #8 Tables
      • PostgreSQL #9 Tables: add, alter e drop
      • PostgreSQL #10 Primary Key
      • PostgreSQL #11 Foreign key
      • PostgreSQL #12 Insert
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      • Curso PostgreSQL #16 Where
      • Curso PostgreSQL #17 Join, Left Join e Right Join
      • Curso PostgreSQL #18 Like
      • Curso PostgreSQL #19 In
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      • Curso PostgreSQL #21 Order By
      • Curso PostgreSQL #22 sum() e group by
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      • Curso PostgreSQL #24 Min() e Max()
      • Curso PostgreSQL #25 Having
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      • Curso PostgreSQL #27 Copiar estruturas das tabelas
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  • SQL Server
    • Dicas SQL Server
      • Instalar Microsoft SQL Server em 7 Minutos no Ubuntu e derivados (mint, popos, etc)
      • Instalar MySQL Server no Ubuntu 19.10
    • Curso SQL Server
      • Curso SQL Server #01 Instalar no Windows 11
      • Curso SQL Server #02 Create Database
      • Curso SQL Server #03 Create Table
      • Curso SQL Server #04 Primary key
      • Curso SQL Server #05 Foreign Key
      • Curso SQL Server #06 Insert
      • Curso SQL Server #07 Update
      • Curso SQL Server #08 Delete
      • Curso SQL Server #09 Select
      • Curso SQL Server #10 Select com Where
      • Curso SQL Server #11 Like
      • Curso SQL Server #12 Join
      • Curso SQL Server #13 In
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StartDB

Banco de dados para iniciantes, by Daniel de Morais – InfoCotidiano

  • Inicio
  • Firebird
    • Curso Firebird
      • Curso Firebird SQL 01 – Conhecendo ISQL Tool
      • Curso Firebird SQL 02 – Domínios
      • Curso Firebird SQL 03 – Create table
      • Curso Firebird SQL 04 – Primary Key
      • Curso Firebird SQL 05 – Chaves Compostas
      • Curso Firebird SQL 06 – Foreign key Restrict e Cascade
      • Curso Firebird SQL 07 – Insert into
      • Curso Firebird SQL 08 – Select
      • Curso Firebird SQL 09 – Where
      • Curso Firebird SQL 10 – Like
      • Curso Firebird SQL 11 – Update
      • Curso Firebird SQL 12 – Delete
      • Curso Firebird SQL 13 – Order By
      • Curso Firebird SQL 14 – First
      • Curso Firebird SQL 15 – In
      • Curso Firebird SQL 16 – Between
      • Curso Firebird SQL 17 – Generator e Trigger
      • Curso Firebird SQL 18 – Exception
      • Curso Firebird SQL 19 – Join
      • Curso Firebird SQL 20 – Left Join
      • Curso Firebird SQL 21 – Right Join
      • Curso Firebird SQL 22 – Alias
      • Curso Firebird SQL 23 – Union
      • Curso Firebird SQL 24 – Extract
      • Curso Firebird SQL 25 – Sum( ) e Group By
      • Curso Firebird SQL 27 – Stored Procedures
      • Curso Firebird 26 – AVG
      • Curso Firebird SQL 28 – Distinct
      • Curso Firebird SQL 29 – Max ( )
      • Curso Firebird SQL 30 – Min ( )
      • Curso Firebird SQL 31 – Upper( )
      • Curso Firebird SQL 32 – Lower( )
      • Curso Firebird SQL 33 – Concatenate
      • Curso Firebird SQL 34 – Having
  • MySQL
    • Como Instalar
      • Instalar MySQL Server no Ubuntu 19.10
      • Instalando MySQL Server no Windows
      • Instalar MySQL Server no Linux (deb)
      • Instale MySQL e Workbench no Debian 10
    • Curso MySQL
      • MySQL Server #1 – Databases
      • MySQL Server #2 – Tables
      • MySQL Server #3 – Primary Key
      • MySQL Server #4 – Foreign Key
      • MySQL Server #5 – Insert
      • MySQL Server #6 – Update
      • MySQL Server #7 – WorkBench
      • MySQL Server #8 – Select
      • MySQL Server #9 – Delete e Truncate
      • MySQL Server #10 – Where
      • MySQL Server #11 – Inner Join, Left Join e Right Join
      • MySQL Server #12 – Like
      • MySQL Server #13 – In
      • MySQL Server #14 – Between
      • MySQL Server #15 – Order By
      • MySQL Server #16 – Sum e Group by
      • MySQL Server #17 – AVG
      • MySQL Server #18 – Count
      • MySQL Server #19 – Union
      • MySQL Server #20 – Distinct
      • MySQL Server #21 – Having
      • MySQL Server #22 – Replace
      • MySQL Server #23 – Function
      • MySQL Server #24 – Trigger
      • MySQL Server #25 – View
      • MySQL Server #26 – Stored Procedure
      • MySQL Server #27 – Copiar Estruturas e Registros
      • MySQL Server #28 – if e case
      • MySQL Server #29 – timediff
      • MySQL Server #30 – Extract
      • MySQL Server #31 – Criptografia
      • MySQL Server #32 – Change Column
      • MySQL Server #33 – Duplicar registro
    • Dicas MySQL
      • Replicação de dados com MySQL
      • Tenho xamp e não quero usar phpMyAdmin
      • Como usar um subselect com update
      • Como usar um subselect em uma consulta SQL
      • Consulta SQL retornando total de Vendas
  • PostgreSQL
    • Instalando PostgreSQL
      • PostgreSQL #1 Instalando no Linux Ubuntu 18 e derivados como Mint e Elementary
      • PostgreSQL #2 Instalando no Windows 10
      • Instalar PostgreSQL 14 no Windows 11
    • Curso PostgreSQL
      • PostgreSQL #3 Tablespace no Linux
      • PostgreSQL #4 Tablespace no Windows
      • PostgreSQL #5 Database
      • PostgreSQL #6 Schemas
      • PostgreSQL #7 Domain
      • PostgreSQL #8 Tables
      • PostgreSQL #9 Tables: add, alter e drop
      • PostgreSQL #10 Primary Key
      • PostgreSQL #11 Foreign key
      • PostgreSQL #12 Insert
      • PostgreSQL #13 Update
      • PostgreSQL #14 Delete
      • PostgreSQL #15 Select
      • Curso PostgreSQL #16 Where
      • Curso PostgreSQL #17 Join, Left Join e Right Join
      • Curso PostgreSQL #18 Like
      • Curso PostgreSQL #19 In
      • Curso PostgreSQL #20 Between
      • Curso PostgreSQL #21 Order By
      • Curso PostgreSQL #22 sum() e group by
      • Curso PostgreSQL #23 AVG()
      • Curso PostgreSQL #24 Min() e Max()
      • Curso PostgreSQL #25 Having
      • Curso PostgreSQL #26 Union
      • Curso PostgreSQL #27 Copiar estruturas das tabelas
      • Curso PostgreSQL #28 Extract
      • Curso PostgreSQL #29 Select Into
  • SQL Server
    • Dicas SQL Server
      • Instalar Microsoft SQL Server em 7 Minutos no Ubuntu e derivados (mint, popos, etc)
      • Instalar MySQL Server no Ubuntu 19.10
    • Curso SQL Server
      • Curso SQL Server #01 Instalar no Windows 11
      • Curso SQL Server #02 Create Database
      • Curso SQL Server #03 Create Table
      • Curso SQL Server #04 Primary key
      • Curso SQL Server #05 Foreign Key
      • Curso SQL Server #06 Insert
      • Curso SQL Server #07 Update
      • Curso SQL Server #08 Delete
      • Curso SQL Server #09 Select
      • Curso SQL Server #10 Select com Where
      • Curso SQL Server #11 Like
      • Curso SQL Server #12 Join
      • Curso SQL Server #13 In
  • Dicas

Posts recentes

  • Criptografando campos no MariaDB com AES
  • Backup Compactado MariaDB ou MySQL no Linux
  • Instalar PostgreSQL 14 no Windows 11
  • Migrando (exportar / importar ) registros de um banco de dados
  • Curso SQL Server #13 In

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Tags

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Obrigado pela visita!

MySQL Server #17 – AVG

Daniel Morais

A função AVG () retorna o valor médio de uma coluna numérica.

Posted in: Curso MySQL ServerTagged: avg, calcular média, media, select avg

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