Difference between revisions of "TAG()"
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|<alias>||The workarea in which to operate. Specified in any of the following ways: | |<alias>||The workarea in which to operate. Specified in any of the following ways: | ||
| − | A workarea number | + | A workarea number. |
A workarea letter: A-Z (a-z) excluding M (m). | A workarea letter: A-Z (a-z) excluding M (m). | ||
A table alias. The alias can be specified in the USE command. If not specified, the table basename is used. | A table alias. The alias can be specified in the USE command. If not specified, the table basename is used. | ||
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Revision as of 16:40, 15 December 2009
Purpose
Function to return the name of an index file or index tag
Syntax
TAG([<.dbx filename>,] [<expN> [,<alias>]])
See Also
DBF(), KEY(), MDX(), NDX(), ORDER(), TAGCOUNT(), TAGNO()
Description
The TAG() function returns the tag name of the specified .dbx file, or the filename of a single (.ndx) file. With no parameters, the TAG() function operates in the current workarea on the master index. If no indexes are active, TAG() will return a null string. An error will be given if an invalid alias name is given.
| Parameter | Description |
|---|---|
| <.dbx filename> | The .dbx file which contains the tag |
| <expN> | The number of the tag |
| <alias> | The workarea in which to operate. Specified in any of the following ways:
A workarea number. A workarea letter: A-Z (a-z) excluding M (m). A table alias. The alias can be specified in the USE command. If not specified, the table basename is used. |
Example
?tag(2) LAST_NAME tag("alternate.dbx",3) ZIPCODE
Products
Recital, Recital Server
