sql - What is the difference between "INNER JOIN" and "OUTER JOIN"? - Stack OverflowWhat is the difference between INNER JOIN and OUTER JOIN? How do LEFT OUTER JOIN, RIGHT OUTER JOIN, and FULL OUTER JOIN fit in?
INNER JOIN ON vs WHERE clause
For simplicity, assume all relevant fields are NOT NULL. You can do: SELECT table1.this, table2.that, table2.somethingelse FROM table1, table2 WHERE table1.foreignkey = table2.primarykey AND (some other conditions) Or else: SELECT table1.this, table2.that, table2.somethingelse FROM table1 INNER JOIN table2 ON table1.foreignkey = table2.primarykey WHERE (some other conditions) Do these two work on
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