Which of the following datatypes stores alphanumeric values and accepts text with rich text format, paragraphs, descriptions, etc?
The Memo datatype stores alphanumeric values. These values can be numbers, alphabets, special characters such as <, >, ?, etc. This datatype is used in place of the Text datatype. It can store 65,535 characters. It also accepts text with rich text format, paragraphs, descriptions, etc.
Answer D is incorrect. The Attachment datatype is used to attach one or more files in a column. The files can be an office 2007 file, an image file, a text file, or a log file. Other types of files cannot be attached to the column. A file can be edited using software that is used for editing the file. If the datatype of a column is Attachment, the datatype for that column cannot be changed.
Answer C is incorrect. The Hyperlink datatype is used to store a hyperlink that is linked to a Web page or to a local or network file. It can store 1GB of data. Any type of file can be linked through this datatype. Each row of a table contains only one hyperlink.
Answer B is incorrect. The OLE Object datatype is used to attach files and add binary data to a table. This datatype stores each data in a bitmap format. This results in an increase in the size of a database file. Only a single file can be added to each row of a table. The files attached can be Microsoft Office files, graphics files, sound files, pdf files, etc.
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