DAO

DAO and Dao may refer to:

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DAO:

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• Data Access Object, a design pattern used in software engineering
• Data Access Objects, a general programming interface for database access on Microsoft Windows systems
• Disk At Once, a method to record compact discs and DVDs in one pass
• Dominion Astrophysical Observatory in Saanich, British Columbia, Canada
• Double Action Only, a firing mechanism for semi-automatic pistols

Dao:

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• The Chinese character 道 (Pinyin: dào; Wade-Giles: tao⁴), which may refer to:
• Tao and Taoism, philosophical concepts
• Dao (political), also known as circuits, a historical political division once used in China
• Dao (sword), a type of Chinese sword
• Dao, Capiz is a municipality in the Philippines
• Dao (ethnic group) is a minority ethnic group of Vietnam