Обсуждение: sql doubts

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sql doubts

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Gustavo Henrique
Дата:
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