Diff of SQL

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.
• Go to SQL.

* DISTINCT [distinct] [#z19e3e64]

- 重複行を除外
--  http://www.dbonline.jp/mysql/select/index13.html

* SELECT FOR UPDATE [#acdfa38d]

- SELECT ... FOR UPDATEとロックの挙動
--  http://walf443.hatenablog.com/entry/20130829/1377788440

* [[SQL Injection>SQLInjection]] [#q6ad017c]

* SEQUEL (SQLの前身) [#sequel]

- SEQUEL: A STRUCIURED ~NGLISH QUERY LANGUAGE 
--  http://www.almaden.ibm.com/cs/people/chamberlin/sequel-1974.pdf