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 difference between INNER join and OUTER join
1 Inner join matches tables on keys, but outer join matches keys just for one side. For example when you use left outer join the query brings the whole left side table and matches the right …
How can I delete using INNER JOIN with SQL Server?
Sep 10, 2016 · I want to delete using INNER JOIN in SQL Server 2008. But I get this error: Msg 156, Level 15, State 1, Line 15 Incorrect syntax near the keyword 'INNER'. My code: DELETE …
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 …
java - What is the difference between JOIN and JOIN FETCH when …
Also, JOIN FETCH is a great way to address the LazyInitializationException when using Hibernate as you can initialize entity associations using the FetchType.LAZY fetching strategy along with …
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?
What's the difference between INNER JOIN, LEFT JOIN, RIGHT …
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 …
sql - How to do join on multiple criteria, returning all combinations ...
May 28, 2014 · SELECT WeddingTable, TableSeat, TableSeatID, Name, Two.Meal FROM table1 as One INNER JOIN table2 as Two ON One.WeddingTable = Two.WeddingTable AND …
sql - Condition within JOIN or WHERE - Stack Overflow
The question and solutions pertain specifically to INNER JOINs. If the join is a LEFT/RIGHT/FULL OUTER JOIN, then it is not a matter of preference or performance, but one of correct results. …
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 …