Oracle C++ Call Interface Programmer's Guide

* Create a statement and associate a select clause with it */
string sqlStmt = "SELECT department_id FROM DEPARTMENTS";
Statement *stmt = conn->createStatement(sqlStmt);
/* Execute the statement to get a result set */
ResultSet *rset = stmt->executeQuery();
while(rset->next())
{
Number deptId = rset->getNumber(1);
/* Display the department id with the format string 9,999 */
cout setNumber(1, deptId);
ResultSet *rset2 = stmt->executeQuery();
.
.
.
}
/* Using a Number object as a standalone and the operations on them */
/* Create a number to a double value */
double value = 2345.123;
Number nu1 (value);
/* Some common Number methods */
Number abs = nu1.abs(); /* absolute value */
Number sqrt = nu1.squareroot(); /* square root */
/* Cast operators can be used */
long lnum = (long) nu1;
/* Unary increment/decrement prefix/postfix notation */
nu1++;
--nu1;
/* Arithmetic operations */
Number nu2(nu1);
/* Assignment operators */
Number nu3;
nu3 = nu2;
nu2 = nu2 + 5.89;
Number nu4;
Number Class
OCCI Classes and Methods 8-103