sql doubts - Mailing list pgsql-sql

From Gustavo Henrique
Subject sql doubts
Date
Msg-id 393D660A00010ECA@barra.domain.com.br> (added by postmaster@domain.com.br)
Whole thread Raw
List pgsql-sql
Could you help me ?

1- Whats the diference between TSQL and SQL ?

2- What are nested queries ?

3- I've seen people using DISTINCT, but what's ALL used for ?

Thanks very much for your attention,


Gustavo Henrique Maultasch
gustavoh@sysadmin.com.br


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