What is Self Join?

There are two versions of Thread.Join :-
. Thread.join().
. Thread.join(Integer) this returns a Boolean value.
The Thread.Join method is useful for determining if a thread has completed before starting another task. The Join method waits a specified amount of time for a thread to end. If the thread ends before the time-out, Join returns true; otherwise it returns False. Once you call Join, the calling procedure stops and waits for the thread to signal that it is done.
Example you have "Thread1" and "Thread2" and while executing 'Thread1" you call "Thread2.Join()".So "Thread1" will wait until "Thread2" has completed its execution and the again invoke "Thread1".
Thread.Join(Integer) ensures that threads do not wait for a long time. If it exceeds a specific time which is provided in integer the waiting thread will start. (More...)

SharePoint-based Web sites can be password-protected to restrict access to registered users, who are invited to join via e-mail. In addition, the site administrator can restrict certain members' roles by assigning different permission levels to view post and edit. (More...)

EQUI JOIN (More...)

ON clause (More...)

Join puts data from two or more tables into a single result set. (More...)

Using the method Join() as follows.

var arr = new Array();
arr = ["one","two","three","four"];
alert(arr.join(",")); (More...)

Matched records from the tables and unmatched records from left table. (More...)

Select s.name,s.code,m.eng,m.math from Student S INNER Join Marks m on s.RollNo=m.RollNo; (More...)

It depends.

Generally speaking JOINs are much better than EXISTS & EXISTS is better than IN, performance wise.

If your result set is small then you can use IN or EXISTS.

But if result set contains a large set of records, then use JOINS.


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return rows when there is at least one match in both tables. (More...)

Used in an SQL statement to query data from two or more tables, based on a relationship between certain columns in these tables.
Types of JOIN:
JOIN: Return rows when there is at least one match in both tables
LEFT JOIN: Return all rows from the left table, even if there are no matches in the right table
RIGHT JOIN: Return all rows from the right table, even if there are no matches in the left table
FULL JOIN: Return rows when there is a match in one of the tables
(More...)

SharePoint-based Web sites can be password-protected to restrict access to registered users, who are invited to join via e-mail. In addition, the site administrator can restrict certain members' roles by assigning different permission levels to view post and edit. (More...)

SharePoint-based Web sites can be password-protected to restrict access to registered users, who are invited to join via e-mail. In addition, the site administrator can restrict certain members' roles by assigning different permission levels to view post and edit.

(More...)

In sharepoint 2010 we join 2 lists using query.Join function. (More...)