Difference between revisions of "SYNCNUM()"
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==See Also== | ==See Also== | ||
| − | [[CURSYNCNUM()]], [[SQL INSERT|INSERT]], [[RECNO()]], [[ROWNUM()]], [[ | + | [[CURSYNCNUM()]], [[SQL INSERT|INSERT]], [[GUID()]], [[RECNO()]], [[ROWNUM()]], [[PSEUDO COLUMNS]], [[SQL SELECT|SELECT]], [[SQL UPDATE|UPDATE]] |
==Description== | ==Description== | ||
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Each new row inserted into a table will be assigned a unique sequence number for that table. Even if the row is deleted later or if all the rows are deleted from the table, that number will not be issued again. | Each new row inserted into a table will be assigned a unique sequence number for that table. Even if the row is deleted later or if all the rows are deleted from the table, that number will not be issued again. | ||
| + | |||
| + | CURSYNCNUM() and SYNCNUM() both return the 8 digit hexadecimal sequence number as a character string. | ||
==Example== | ==Example== | ||
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[[Category:SQL]] | [[Category:SQL]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
| − | [[Category: | + | [[Category:Cursor Functions]] |
| − | + | ||
Latest revision as of 06:00, 18 February 2013
Contents
Purpose
Function to return the unique sequence number assigned to a row from the specified table
Syntax
SYNCNUM([<workarea | alias>])
See Also
CURSYNCNUM(), INSERT, GUID(), RECNO(), ROWNUM(), PSEUDO COLUMNS, SELECT, UPDATE
Description
The SYNCNUM() function returns the unique sequence number assigned to a row from the specified table. The SYNCNUM() function operates on the current workarea unless a numeric <workarea> or character <alias> is specified.
Each new row inserted into a table will be assigned a unique sequence number for that table. Even if the row is deleted later or if all the rows are deleted from the table, that number will not be issued again.
CURSYNCNUM() and SYNCNUM() both return the 8 digit hexadecimal sequence number as a character string.
Example
OPEN DATABASE southwind SELECT syncnum(), recno() FROM example
