What exactly does the .join () method do? - Stack Overflow
I'm pretty new to Python and am completely confused by .join() which I have read is the preferred method for concatenating strings. I tried: strid = repr(595) print array.array('c', random.sample(
What is the difference between JOIN and INNER JOIN?
The fact that when it says INNER JOIN, you can be sure of what it does and that it's supposed to be just that, whereas a plain JOIN will leave you, or someone else, wondering what the standard said about …
What is a SQL JOIN, and what are the different types?
This JOIN combines LEFT OUTER JOIN and RIGHT OUTER JOIN. It returns rows from either table when the conditions are met and returns NULL value when there is no match. In other words, …
What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and ...
INNER JOIN gets all records that are common between both tables based on the supplied ON clause. LEFT JOIN gets all records from the LEFT linked and the related record from the right table ,but if …
SQL JOIN where to place the WHERE condition? - Stack Overflow
If a filter enters in a JOIN condition functionally (i.e. it is an actual join condition, not just a filter), it must appear in the ON clause of that join. Worth noting: If you place it in the WHERE clause instead, the …
CROSS JOIN vs INNER JOIN in SQL - Stack Overflow
Figure 1 is useful and correct as the first of 4 colourings of intersecting circle Venn diagrams for: (INNER) JOIN vs LEFT, RIGHT & FULL (OUTER) JOIN but not vs CROSS JOIN. Intersection rows …
LEFT JOIN vs. LEFT OUTER JOIN in SQL Server - Stack Overflow
Jan 2, 2009 · Left Join and Left Outer Join are one and the same. The former is the shorthand for the latter. The same can be said about the Right Join and Right Outer Join relationship. The …
Conditional JOIN Statement SQL Server - Stack Overflow
Oct 18, 2016 · Is it possible to do the following: IF [a] = 1234 THEN JOIN ON TableA ELSE JOIN ON TableB If so, what is the correct syntax?
oracle database - SQL "Join" on null values - Stack Overflow
1 Do you really want to be able to join the tables if a value is null? Can't you just exclude the possible null values in the join predicate? I find it hard to grok that rows in two tables can be related by a null …
Difference between RIGHT & LEFT JOIN vs RIGHT & LEFT OUTER JOIN …
What is the difference in results between: RIGHT JOIN and RIGHT OUTER JOIN LEFT JOIN and LEFT OUTER JOIN ? Can you please explain it through some examples?