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How to use subquery
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General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 9 SP1
Miscellaneous
Thread ID:
01514285
Message ID:
01514299
Views:
44
>>>Don't get it.
>>>Some example data and desired result?
>>
>>Here a sample code I am playing with:
>>
>>CREATE CURSOR Table1 (pk_fld i, task_no i)
>>INSERT INTO table1 VALUES (1,1)
>>INSERT INTO table1 VALUES (1,2)
>>CREATE CURSOR Table2 (task_no i, flda c(1), fldb c(1))
>>INSERT INTO table2 VALUES (1,"A","B")
>>INSERT INTO table2 VALUES (2,"C","D")
>>INSERT INTO table2 VALUES (3,"C","F")
>>INSERT INTO table2 VALUES (4,"K","I")
>>
>>
>>Keep in mind that the above case has more records in Table2 than in Table 1 and for this FULL JOIN seem to work. But I need to test it in the case when Table1 has more records than Table2.
>
>OK, and what you want from this?

I want the result to be
pk_fld task_no flda fldb
1 1 "A" "B"
1 2 "C" "D"
and so on.

But here is another scenario.

Say Table1 has the following records:
INSERT INTO table1 VALUES (1,1)
INSERT INTO table1 VALUES (1,2)
INSERT INTO table1 VALUES (1,2)
INSERT INTO table1 VALUES (1,2)
INSERT INTO table1 VALUES (1,2)
(that is a few records repeat both the PK and TASK_No). then the result should be:
pk_fld task_no flda fldb
1 1 "A" "B"
1 2 "C" "D"
1 2 "C" "D"
1 2 "C" "D"
1 2 "C" "D"

Do I illustrate it clear? It seems like FULL JOIN works but I want to be sure.
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
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