MATLAB DATABASE TOOLBOX RELEASE NOTES Guide de l'utilisateur télécharger pdf (Page 514)

100

101

7 Functions — Alphabetical List

7-84

dbds = datastore(conn,sqlquery);

Read the data in the data set.

readall(dbds)

ans =

productNumber stockNumber supplierNumber unitCost productDescription

_____________ ___________ ______________ ________ __________________

1.00 400345.00 1001.00 14.00 'Building Blocks'

2.00 400314.00 1002.00 9.00 'Painting Set'

3.00 400999.00 1009.00 17.00 'Slinky'

4.00 400339.00 1008.00 21.00 'Space Cruiser'

5.00 400455.00 1005.00 3.00 'Tin Soldier'

6.00 400876.00 1004.00 8.00 'Sail Boat'

7.00 389123.00 1007.00 16.00 'Engine Kit'

8.00 212569.00 1001.00 5.00 'Train Set'

9.00 125970.00 1003.00 13.00 'Victorian Doll'

10.00 888652.00 1006.00 24.00 'Teddy Bear'

11.00 408143.00 1004.00 11.00 'Convertible'

12.00 210456.00 1010.00 22.00 'Hugsy'

13.00 470816.00 1012.00 16.50 'Pancakes'

14.00 510099.00 1011.00 19.00 'Shawl'

15.00 899752.00 1011.00 20.00 'Snacks'

readall displays every record in the data set. The cursor position is at the end of the

data set.

Reposition the cursor object to the start of the data set.

reset(dbds)

Read data from the start of the data set.