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(

Note that a JOIN without any other JOIN keywords (like INNER, OUTER, LEFT, etc) is an INNER JOIN. In other words, JOIN is a Syntactic sugar for INNER JOIN (see: Difference between …

INNER JOIN = JOIN. INNER JOIN is the default if you don't specify the type when you use the word JOIN. You can also use LEFT OUTER JOIN or RIGHT OUTER JOIN, in which case the …

Jan 2, 2009 · LEFT OUTER JOIN - fetches data if present in the left table. RIGHT OUTER JOIN - fetches data if present in the right table. FULL OUTER JOIN - fetches data if present in either …

An SQL JOIN clause is used to combine rows from two or more tables, based on a common field between them. There are different types of joins available in SQL: INNER JOIN: returns rows …

Oct 26, 2010 · FROM a INNER JOIN b ON a.id=b.id Or simply: SELECT a.id, b.id, a.col_2, b.col_2, ... FROM a JOIN b ON a.id=b.id It will only return all data where both 'a' & 'b' tables …

-- Here's the key to understanding CROSS APPLY: despite the totally different name, think of it as being like an advanced 'basic join'. -- A 'basic join' gives the Cartesian product of the rows in …

In order for me to match the tairport I have to perform another join on the previous matches from the first join. SELECT airline, flt_no, fairport, tairport, depart, arrive, fare FROM (SELECT * …

Feb 11, 2013 · However - I agree with it not being very elegant, and keep in mind a cross join with this kind of computation will result in slow performance with growing counts of transactions …

Sep 17, 2012 · The result of join is always a string, but the object to be joined can be of many types (generators, list, tuples, etc)..join is faster because it allocates memory only once. Better …