Campbell PC208W Manual de usuario descargar pdf (Pagina 43)

Data Retrieval, Processing and Final Storage in the Lake Victoria Basin Database

Processing in MS Access and Final Storage into the LVBD

In the above screen, the MetHour table still contains data from a previous transfer exercise. Although primary

key setting in the final LVBD tables do not allow for data duplication, it is good policy to delete all records from the

auxiliary tables, in this case MetHour, prior to a processing a new data set. To this end, continue with step 3.

Step D3: Select all records by simultaneously keying CTRL and A, or clicking Select All Records in the Edit menu.

The complete record set is now highlighted.

Step D4: Delete all records by choosing Delete Records from the Edit menu, as shown on the next screen, or by

pressing the ‘Delete’ key.

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Campbell PC208W Manual de usuario Pagina 43