• taegyunkim (25)in #index • 6 years ago

  mysql index add , drop, show

  SHOW INDEX FROM tablename; ALTER TABLE tablename ADD INDEX indexname (column1, column2); ALTER TABLE tablename ADD UNIQUE INDEX indexname (column1, column2); ALTER TABLE…

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• taegyunkim (25)in #operating • 6 years ago

  [Operating System Concepts] part1. Overview

  part1. Overview 1. Introduction 2. Operation-System Structures • What Operating Systems Do • Computer-System Organization • Computer-System Architecture •…

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• taegyunkim (25)in #book • 6 years ago

  How can i blog to steemit

  Book review in English and 日本語 Blog Technology Study programming language IT trend

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