
MySQL: difference of two result sets - Stack Overflow
Apr 27, 2010 · The difference between result1 - result2 is STUD1, STUD2 And the query for the same will be: select result1.student_id from (select student_id from science_student) result1 …
What is the difference between SQL and MySQL? - Stack Overflow
MySQL is a relational database management system, which is a completely different thing. MySQL is an open-source platform that uses SQL, just like MSSQL, which is Microsoft's …
sql - MYSQL Get Difference between two values - Stack Overflow
Aug 15, 2014 · Hmm I would have expected it to work but MySql seems to do an implicit limit - you only get one row (with the first username and the max points) in the sub-select. See my …
Calculate difference between two datetimes in MySQL
Oct 3, 2014 · I am storing the last login time in MySQL in, datetime-type filed. When users logs in, I want to get the difference between the last login time and the current time (which I get using …
sql - MySQL - Is it possible to get 'the difference' of two query ...
Oct 15, 2009 · In MySQL 8.0 you can use WITH common table expressions to define queryOneTable and queryTwoTable in case each of those is a complex subquery. – ColinM …
MySQL: @variable vs. variable. What's the difference?
The MySQL concept of "global" should perhaps be called "universal", in that it extends beyond the boundaries of the process running it. A "global" cannot normally do that in a standard …
How to find absolute difference between two numbers MYSQL
May 23, 2014 · MYSQL Get Difference between two values. 1. how to find the difference between two rows in mysql. 0. how ...
mysql - What difference between the DATE, TIME, DATETIME, and …
Nov 11, 2014 · MySQL supports up to microseconds (6 digits). The 7 digit formats usually (but not always) originate from Microsoft .NET or SQL Server, and it is nearly impossible to actually get …
MySQL: difference between two timestamps in seconds?
Nov 29, 2010 · Is it possible to calculate difference between two timestamps in MySQL and get output result in seconds? Like 2010-11-29 13:16:55 - 2010-11-29 13:13:55 should give 180 …
Differences between MySQL and SQL Server - Stack Overflow
Aug 14, 2008 · One thing you have to watch out for is the fairly severe differences in the way SQL Server and MySQL implement the SQL syntax. Here's a nice Comparison of Different SQL …