- 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 a SQL JOIN, and what are the different types?
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 JOIN and INNER JOIN )
- Using . join() in Python - Stack Overflow
a = ['hello1', 'hello2', 'hello3'] ',' join(a) I would like to have 'and' instead of a comma before the last element of the list So I would get: hello 1, hello 2 and hello 3 instead of hello 1, hello 2, hello 3 Is there a way to accomplish this using join()? I know I can just type it in the list for a simple example like this, but the
- LEFT JOIN vs. LEFT OUTER JOIN in SQL Server - Stack Overflow
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 of the two tables CROSS JOIN, as the name suggests, does n times m pairings that join everything
- SQL JOIN: what is the difference between WHERE clause and ON clause?
The SQL JOIN clause allows you to associate rows that belong to different tables For instance, a CROSS JOIN will create a Cartesian Product containing all possible combinations of rows between the two joining tables While the CROSS JOIN is useful in certain scenarios, most of the time, you want to join tables based on a specific condition
- Can I use CASE statement in a JOIN condition? - Stack Overflow
A CASE expression returns a value from the THEN portion of the clause You could use it thusly: SELECT * FROM sys indexes i JOIN sys partitions p ON i index_id = p index_id JOIN sys allocation_units a ON CASE WHEN a type IN (1, 3) AND a container_id = p hobt_id THEN 1 WHEN a type IN (2) AND a container_id = p partition_id THEN 1 ELSE 0 END = 1
- SQL Server join where not exist on other table - Stack Overflow
SELECT S Id, S Name FROM [Service] S LEFT JOIN ServiceAsset SA ON S Id = SA ServiceId WHERE SA ServiceId IS NULL Note: INNER JOIN returns the matching rows whereas you want the non matching rows then use LEFT JOIN instead
- What is the difference between JOIN and INNER JOIN?
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 word OUTER is optional, or you can specify CROSS JOIN OR For an INNER JOIN, the syntax is: SELECT FROM TableA [INNER] JOIN TableB
|