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Published byGrant Warner Modified over 6 years ago
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Accessing the Database Server: ODBC, OLE DB, and ADO
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Typical Web Server Page 340
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ODBC Open Database Connectivity;
DBMS-independent means for processing relational database data ORACLE SYBASE INFORMIX Page 342
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Role of ODBC Standard Page 340
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ODBC Terminology Data source the database, its associated DBMS, operating system, and network platform Driver manager intermediary between the application and DBMS drivers Driver processes ODBC requests and submits SQL statements to a data source Page 343
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ODBC Architecture Page 343
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Conformance Levels ODBC concerned with API application program interface SQL Minimum Core Extended Page 344
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ODBC Data Source Types File shared among database users
System local to a single computer User only available to the user who created it Page 346
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OLE DB Object Linking and Embedding Database;
Provides an object-oriented interface to data of almost any type and used as an interface to ODBC and non-relational data Page 348
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Object Terminology Abstraction a generalization of something
Method actions that an object can perform Property a characteristic of a recordset abstraction Collection object that contains a group of other objects Page 348
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Role of OLE DB Page 341
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OLE DB Goals Page 349
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OLE DB Data Providers Page 350
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ADO ActiveX Data Objects;
an interface that enables programmers in almost any language (including scripting) to access OLE DB functionality Page 351
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Role of ADO Page 342
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ADO Object Model Page 352
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