Stack Exchange

ypercubeᵀᴹ

Athens, Greece and London, UK

http://in.another.dimension

Interests: math, programming and games, not necessarily in that order.

Favourite numbers: Surreals

top accounts reputation activity bookmarks subscriptions
Top Questions
Top Answers
310
MySQL COUNT DISTINCT
stackoverflow.com

272
Does the join order matter in SQL?
stackoverflow.com

256
Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-creation
stackoverflow.com

238
MySQL IF NOT NULL, then display 1, else display 0
stackoverflow.com

193
Good explanation of cascade (ON DELETE/UPDATE) behavior
dba.stackexchange.com

160
must appear in the GROUP BY clause or be used in an aggregate function
stackoverflow.com

153
What are the mathematical/computational principles behind this game?
stackoverflow.com

146
How to use SQL Select statement with IF EXISTS sub query?
stackoverflow.com

139
MySQL date formats - difficulty Inserting a date
stackoverflow.com

121
SQL: set existing column as Primary Key in MySQL
stackoverflow.com

102
Format date in MySQL SELECT as ISO 8601
stackoverflow.com

101
How do I insert a row which contains a foreign key?
dba.stackexchange.com

101
Using IS NULL or IS NOT NULL on join conditions - Theory question
stackoverflow.com

95
What is the maximum size of int(10) in Mysql
stackoverflow.com

90
mysql "Where not in" using two columns
stackoverflow.com

84
Graph auto-layout algorithm
stackoverflow.com

82
Sorting by date & time in descending order?
stackoverflow.com

81
row-level trigger vs statement-level trigger
stackoverflow.com

69
How to correctly do upsert in postgres 9.5
stackoverflow.com

68
How to select rows that have current day's timestamp?
stackoverflow.com

67
selecting where two columns are in a set
dba.stackexchange.com

67
MySQL sort by some list
stackoverflow.com

64
MySQL: #1075 - Incorrect table definition; autoincrement vs another key?
stackoverflow.com

61
Why does this query work?
dba.stackexchange.com

59
In SQL, is it OK for two tables to refer to each other?
stackoverflow.com

55
Using 'case expression column' in where clause
stackoverflow.com

55
How to limit maximum number of rows in a table to just 1
dba.stackexchange.com

54
EXISTS (SELECT 1 ...) vs EXISTS (SELECT * ...) One or the other?
dba.stackexchange.com

54
How to combine date and time to datetime2 in SQL Server?
dba.stackexchange.com

53
CHECK constraint in MySQL is not working
stackoverflow.com

1 2 3 4 5 … 10