Twelfth

Twelfth has asked 3 questions and find answers to 21 problems.

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Twelfth questions

Always true conditional aggregate vs count
Force T-SQL query to be case sensitive in MS

Twelfth answers

Optimize query in TSQL 2005
MySQL Joins With Case Statements
Given collection of points and polygons, determine which point lies in which polygon (or not)
SQL vs NoSQL for data that will be presented to a user after multiple filters have been added
Find all geometry that intersects a point
SELECT Only Records With Duplicate (Column A || Column B) But Different (Column C) Values
Return rows where first character is non-alpha
Ruby Rails Postgis - Finding all the points in a polygon
How can I explore the data in a SQL database, including foreign tables?
Storing C# datetime to postgresql TimeStamp