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- Users: omegatemplar
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self-join or subquery
Mark, INNER JOIN works on records that meet the conditions of the ON statement, these records are considered to be 'inside' the join. Hope this helps!- omegatemplar
- Post #4
- Forum: ANSI_SQL
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Inner Join on multiple tables
I have 20 or so tables which share one field. To start off on a low level I want to join all the fields of the tables on the common field, but I am having trouble getting rid of the common field being duplicated in the results SELECT * FROM table1 INNER JOIN table2 ON table1.a = table2.a Do I...- omegatemplar
- Thread
- Replies: 3
- Forum: ANSI_SQL
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Selecting rows that only contain TRUE values
Ah, thats one solution that I know but what I am really trying to ask is that lets say I take a book name and I want to find out what genre(s) it is in, meaning I only want to list the columns in the row that have a true value without necessarily knowing the column names. SELECT * FROM Table...- omegatemplar
- Post #3
- Forum: ANSI_SQL
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Selecting rows that only contain TRUE values
I have a database with a 15 columns 1 is a title 14 other are true/false categories containing genre types For example: BookName | Scifi |Fantasy |Mystery Star Trek | True | True | False How would I select the book name and all the values that are true for that specific book so that I get...- omegatemplar
- Thread
- Replies: 4
- Forum: ANSI_SQL
