OCIreadreal


Purpose
Read a real value from a database.
Synopsis
function OCIreadreal(s:string|text):real
Argument
SQL command for selecting the value to be read
Return value
Real value read or 0.
Example
The following returns the price of the data item with index 2 in table newtab:
r:=OCIreadreal("select price from newtab where ndx=2") 
Further information
1. 0 is returned if no real value can be found.
2. If the given SQL selection command does not denote a single value, the first value to which the selection criterion applies is returned.
Related topics
OCIexecute, OCIreadinteger, OCIreadstring.
Module
mmoci


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