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More to Learn Different data types

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Presentation on theme: "More to Learn Different data types"— Presentation transcript:

1 More to Learn Different data types
Data types provided by Microsoft Access. Text It can be characters or numbers. e.g. ‘01 Tai Tong Road’. Each English character or number occupies one byte but each Chinese character occupies two bytes. Number It is numeric data which can be used in mathematical calculation. e.g Date/Time It represents date or time values. The value of year ranges from 100 to 9999. e.g. ‘11/12/2006’.

2 More to Learn Different data types Yes/No:
The value can be displayed in the format of ‘Yes/No’, ‘True/False’ or ‘On/Off’. AutoNumber Whenever a new record is added to a table, a unique sequential ascending number or a random number will be assigned to identify each record. Memo: It is a lengthy text which contains up to 65,535 characters. Currency: It is currency values and numeric data, which can be used in mathematical calculation. e.g. HK$234.11

3 More to Learn Different data types OLE Object
It is an object such as Microsoft Word document, image, audio, etc. The object can be linked to or embedded in Microsoft Access. An OLE Object, a Microsoft Word document, is displayed in a cell of a table in the Datasheet View. Hyperlink It is a URL address or path to a file. ‘GovHK#

4 More to Learn Different data types OLE Object
It is an object such as Microsoft Word document, image, audio, etc. The object can be linked to or embedded in Microsoft Access. An OLE Object, a Microsoft Word document, is displayed in a cell of a table in the Datasheet View. Hyperlink It is a URL address or path to a file. ‘GovHK#


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