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INNER JOIN ON vs WHERE clause

...ed is a cartesian product of the tables to which a filter is applied which selects only those rows with joining columns matching. It's easier to see this with the WHERE syntax. As for your example, in MySQL (and in SQL generally) these two queries are synonyms. Also note that MySQL also has a STR...
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Return anonymous type results?

... join b in db.Breeds on d.BreedId equals b.BreedId select new DogWithBreed() { Dog = d, BreedName = b.BreedName }; return result; } It means you have an extra class, ...
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How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?

...rrect in the build settings. You need to make sure the correct profile is selected for the "Debug" configuration, and to be safe, that you have selected the correct profile for both the "Debug" and child-node labelled "Any iOS SDK": Although this screenshot shows the "Automatic Developer" profil...
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How to get first character of a string in SQL?

... SELECT SUBSTR(thatColumn, 1, 1) As NewColumn from student share | improve this answer | follow ...
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Disable Drag and Drop on HTML elements?

... This might work: You can disable selecting with css3 for text, image and basically everything. .unselectable { -moz-user-select: -moz-none; -khtml-user-select: none; -webkit-user-select: none; /* Introduced in IE 10. See http://ie.mic...
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How do I see all foreign keys to a table or column?

... For a Table: SELECT TABLE_NAME,COLUMN_NAME,CONSTRAINT_NAME, REFERENCED_TABLE_NAME,REFERENCED_COLUMN_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE REFERENCED_TABLE_SCHEMA = '<database>' AND REFERENCED_TABLE_NAME = '&lt...
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SQL Inner-join with 3 tables?

... You can do the following (I guessed on table fields,etc) SELECT s.studentname , s.studentid , s.studentdesc , h.hallname FROM students s INNER JOIN hallprefs hp on s.studentid = hp.studentid INNER JOIN halls h on hp.hallid = h.hallid Based on your request for ...
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NULL values inside NOT IN clause

... Query A is the same as: select 'true' where 3 = 1 or 3 = 2 or 3 = 3 or 3 = null Since 3 = 3 is true, you get a result. Query B is the same as: select 'true' where 3 <> 1 and 3 <> 2 and 3 <> null When ansi_nulls is on, 3 <&...
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Xcode 6 Storyboard the wrong size?

...way at some point." You probably haven't added the layout constraints. Select your label, tap the layout constraints button on the bottom: On that menu add width and height (it should NOT be the same as mine) by checking their checkbox and click add constraints. Then Control-drag your label t...
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“where 1=1” statement [duplicate]

...hould ignore it No magic, just practical Example Code: commandText = "select * from car_table where 1=1"; if (modelYear <> 0) commandText += " and year="+modelYear if (manufacturer <> "") commandText += " and value="+QuotedStr(manufacturer) if (color <> "") command...