# OTL 4.0, Example 234 (SQL statement label)

# Example 234 (SQL statement label)

This example demonstrates SQL statement labels and Oracle 8, 8i, 9i.

## Source Code

##

    #include <iostream>
    #include <stdio.h>

    // Uncomment the line below when OCI7 is used with OTL
    // #define OTL_ORA7 // Compile OTL 4.0/OCI7
    using namespace std;

    //#define OTL_ORA8 // Compile OTL 4.0/OCI8
    #define OTL_ORA8I // Compile OTL 4.0/OCI8i
    //#define OTL_ORA9I // Compile OTL 4.0/OCI9i
    #include <otlv4.h> // include the OTL 4.0 header file

    otl_connect db; // connect object

    void select()
    {
     otl_stream i(50, // buffer size
                  "select * from test_tabxxx where f1>=:f<int> and f1<=:f*2",
                     // SELECT statement
                  db, // connect object
                  0, // it's not a "reference cursor"
                  "SQL Stm #1"
                 );
       // create select stream

     float f1;
     char f2[31];

     i<<8; // assigning :f = 8
       // SELECT automatically executes when all input variables are
       // assigned. First portion of output rows is fetched to the buffer

     while(!i.eof()){ // while not end-of-data
      i>>f1>>f2;
      cout<<"f1="<<f1<<", f2="<<f2<<endl;
     }

     i<<4; // assigning :f = 4
       // SELECT automatically executes when all input variables are
       // assigned. First portion of output rows is fetched to the buffer

     while(!i.eof()){ // while not end-of-data
      i>>f1>>f2;
      cout<<"f1="<<f1<<", f2="<<f2<<endl;
     }

    }

    int main()
    {
     otl_connect::otl_initialize(); // initialize OCI environment
     try{

      db.rlogon("scott/tiger"); // connect to Oracle

      select(); // select records from table

     }

     catch(otl_exception& p){ // intercept OTL exceptions
      cerr<<p.msg<<endl; // print out error message
      cerr<<p.stm_text<<endl; // print out SQL that caused the error
      cerr<<p.var_info<<endl; // print out the variable that caused the error
     }

     db.logoff(); // disconnect from Oracle

     return 0;

    }

    Output
    ORA-00942: table or view does not exist

    SQL Stm #1

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    Copyright © 1996, 2007, Sergei Kuchin, email: skuchin@ispwest.com,
    skuchin@gmail.com

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