Содержание
- 2. ADO ActiveX Data Object – data access technology, developed by Microsoft. (ActiveX-objects for data access).
- 3. Components: - ADOConnection (inc. dbGo) ADOTable (inc. dbGo) ADOQuery (inc. dbGo) DataSource (inc. Data Access) DBEdit
- 4. Database model symbols (1) BASE.mdb - Database start.exe - Application - Module (component)
- 5. Database model based on АDO BASE.mdb start.exe DataModule AdoConnection AdoTable1 AdoTable2 DataSource2 DataSource1 dbGrid1 dbGrid1 dbNavigator
- 6. Components attributes ADOConnection: Connection String – path to database (Connection String -> Build-> MicrosoftJet 4.0. OLE
- 7. Login Promt – password to database (false - disconnect) Connected – database connection (true - connect)
- 8. ADOTable attributes: Connection – connection to database due to component ADOConnection TableName – table name Active
- 9. DataSource attributes: DataSet – table resource connection (DataSet = AdoTable1) DataSource – table resource DBGrid attributes:
- 10. Google Google began in March 1998 as a research project by Larry Page and Sergey Brin,
- 11. PageRank It is given by PR(A) = (1-d) + d (PR(T1)/C(T1) + ... + PR(Tn)/C(Tn)) where
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