Purpose
Read a string
from a database.
Synopsis
function SQLreadstring(s:string):string
Argument
|
s
|
SQL command for selecting the string to be read
|
Return value
String read or empty string.
Example
The following retrieves the color of the (first) data item in table pricelist with article number 1004:
s:=SQLreadstring(
"select color from pricelist where articlenum=1004")
Further information
1. The empty string is returned if no real value can be found.
2. If the given SQL selection command does not denote a single entry,
the first string to which the selection criterion applies is returned.
Related topics
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