Top "Clause" questions

The SQL OVER() clause - when and why is it useful?

USE AdventureWorks2008R2; GO SELECT SalesOrderID, ProductID, OrderQty ,SUM(OrderQty) OVER(PARTITION BY SalesOrderID) AS 'Total' ,AVG(OrderQty) OVER(PARTITION …

mysql sql sql-server aggregate-functions clause

"Not equal" sign in Visual Prolog?

I can't find any documentation on "not equal" sign in Visual Prolog. Please provide the right solution of this problem: …

prolog equals clause visual-prolog

OR statement handling two != clauses Python

(Using Python 2.7) I understand this is pretty elementary but why wouldn't the following statement work as written: input = int(raw_…

python operator-keyword clause

How to collapse If, Else, For, Foreach, etc clauses?

I get stuck sometimes with very long clauses and I am looking for a way that allows me to collapse …

c# visual-studio visual-studio-extensions clause

Using variable in a LIMIT clause in MySQL

I am writing a stored procedure where I have an input parameter called my_size that is an INTEGER. I …

mysql limit clause variables

MySQL group_concat with where clause

I got this problem with Group_Concat and a where filter. In my table i got module names which are …

mysql sql where group-concat clause

WHERE IN clause in Android sqlite?

I can't get WHERE IN clause to work on android SQLite database. Is there any way to execute a statement …

android database sqlite where clause

Condition left join in CriteriaQuery

Hi everybody I am trying to do this in CriteriaQuery, I was searching so long but I can't found anything …

jpa orm left-join clause criteriaquery

How to Optimize the Use of the "OR" Clause When Used with Parameters (SQL Server 2008)

I wonder if there is any wise way to rewrite the following query so that the indexes on columns get …

sql-server performance indexing clause

How to correctly use guard clause in Ruby

What is the correct way to use the guard clause in this sample? def require_admin unless current_user &&…

ruby-on-rails ruby guard clause