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1. ADO? ¶
{{|Microsoft ADO (ActiveX Data Objects) is a Component object model object for accessing data sources. It provides a layer between programming languages and databases, which allows a developer to write programs which access data, without knowing how the database is implemented. No knowledge of SQL is required to access a database when using ADO, although one can use ADO to execute arbitrary SQL commands. The disadvantage of this is that this introduces a dependency upon the database.
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λ§μ΄ν¬λ‘μννΈ ADO(ActiveX Data Objects)λ λ°μ΄ν° μμ€μ μ κ·Όνλ €κ³ κ³ μλ COMκ°μ²΄μ΄λ€. μ΄κ²μ νλ‘κ·Έλλ° μΈμ΄μ λ°μ΄ν° λ² μ΄μ€ μ¬μ΄μ μΈ΅μ λ§λ€μ΄μ€λ€. μ΄ μΈ΅μ κ°λ°μλ€μ΄ DBμ ꡬνλΆμ μ κ²½μ°μ§ μκ³ λ°μ΄ν°λ₯Ό λ€λ£¨λ νλ‘κ·Έλ¨μ μμ±νλλ‘ ν΄μ€λ€. ADO λ₯Ό μ΄μ©ν κ²½μ°, λ°μ΄ν°λ² μ΄μ€μ μ κ·ΌνκΈ° μν΄μ SQL μ μ νμλ μλ€. λ¬Όλ‘ , SQL 컀맨λλ₯Ό μννκΈ° μν΄ ADO λ₯Ό μ΄μ©ν μ μλ€. νμ§λ§, SQL 컀맨λλ₯Ό μ§μ μ΄μ©νλ λ°©λ²μ λ°μ΄ν°λ² μ΄μ€μ λν μμ‘΄μ±μ κ°μ Έμ¨λ€λ λ¨μ μ΄ μλ€.
MS ADO
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λ§μ΄ν¬λ‘μννΈ ADO(ActiveX Data Objects)λ λ°μ΄ν° μμ€μ μ κ·Όνλ €κ³ κ³ μλ COMκ°μ²΄μ΄λ€. μ΄κ²μ νλ‘κ·Έλλ° μΈμ΄μ λ°μ΄ν° λ² μ΄μ€ μ¬μ΄μ μΈ΅μ λ§λ€μ΄μ€λ€. μ΄ μΈ΅μ κ°λ°μλ€μ΄ DBμ ꡬνλΆμ μ κ²½μ°μ§ μκ³ λ°μ΄ν°λ₯Ό λ€λ£¨λ νλ‘κ·Έλ¨μ μμ±νλλ‘ ν΄μ€λ€. ADO λ₯Ό μ΄μ©ν κ²½μ°, λ°μ΄ν°λ² μ΄μ€μ μ κ·ΌνκΈ° μν΄μ SQL μ μ νμλ μλ€. λ¬Όλ‘ , SQL 컀맨λλ₯Ό μννκΈ° μν΄ ADO λ₯Ό μ΄μ©ν μ μλ€. νμ§λ§, SQL 컀맨λλ₯Ό μ§μ μ΄μ©νλ λ°©λ²μ λ°μ΄ν°λ² μ΄μ€μ λν μμ‘΄μ±μ κ°μ Έμ¨λ€λ λ¨μ μ΄ μλ€.
MS ADO
2. in .NET Framework ¶
{{|In the newer programming framework of .NET, Microsoft also present an upgraded version of ADO called ADO.NET, its object structure is quite different from that of traditional ADO. But ADO.NET is still not quite popular and mature till now.
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μλ‘μ΄ νλ‘κ·Έλλ° νλ μμμΈ .NETμμ MSλ ADOμ μ κ·Έλ μ΄λ λ²μ μΈ ADO.NETμ λ§λ€μλ€. ADO.NETμ κ°μ²΄ ꡬ쑰λ κΈ°μ‘΄μ ADOμλ κ½€ λ€λ₯΄λ€. νμ§λ§ ADO.NETμ μμ§κΉμ§λ λμ€νλκ±°λ μ±μνλμ§ λͺ»νλ€.
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μλ‘μ΄ νλ‘κ·Έλλ° νλ μμμΈ .NETμμ MSλ ADOμ μ κ·Έλ μ΄λ λ²μ μΈ ADO.NETμ λ§λ€μλ€. ADO.NETμ κ°μ²΄ ꡬ쑰λ κΈ°μ‘΄μ ADOμλ κ½€ λ€λ₯΄λ€. νμ§λ§ ADO.NETμ μμ§κΉμ§λ λμ€νλκ±°λ μ±μνλμ§ λͺ»νλ€.
3. Thread ¶
ADO λ ActiveX μ΄λ―λ‘ C++ μ΄κ±΄ VB μ΄κ±΄ Python μ΄κ±΄ μ΄λμλ μ§ μ΄μ©κ°λ₯. νμ§λ§, μμλ VB λ Python λ±μμ μ°λκ² νΈλ¦¬. κ°μΈμ μΌλ‘λ ODBC μ°λμ μνκ³ λ°λ‘ ADO λ‘ C++ Database Programming μ νμλλ°, ν° λ¬Έμ λ μμλ κΈ°μ΅. (νκΈ΄, C++ λ‘ DB Programming ν μΌ μμ²΄κ° κ±°μ μμ겨μ..) --1002