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Re: please give me select sqls examples to distinct these!

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On Oct 25, 2022, at 7:55 AM, jacktby@xxxxxxxxx wrote:



typedef enum SetOperation
{
    SETOP_NONE = 0,
    SETOP_UNION,
    SETOP_INTERSECT,
    SETOP_EXCEPT
} SetOperation;

jacktby@xxxxxxxxx

Please use just text. 
What ‘dialect’ are using? In Postgres
0: select * from table
1: select * from table union select * from table is same shape
2: select * from table join table b on Id = idb 
3: select * from table except select * from tableb


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