What is the use of SQLCODE?
The function SQLCODE returns the number code of the most recent exception. For internal exceptions, SQLCODE returns the number of the associated Oracle error. The number that SQLCODE returns is negative unless the Oracle error is no data found, in which case SQLCODE returns +100 .
What is Sqlerrm?
The function SQLERRM returns the error message associated with its error-number argument. If the argument is omitted, it returns the error message associated with the current value of SQLCODE . SQLERRM with no argument is useful only in an exception handler.
What is Sqlerrm in db2?
This SQLERRM scalar function takes a message identifier, locale and token input and returns the short or long message in the specified locale. If the input locale is not supported by the server, the message is returned in English.
What is Raise_application_error?
The procedure RAISE_APPLICATION_ERROR lets you issue user-defined ORA- error messages from stored subprograms. That way, you can report errors to your application and avoid returning unhandled exceptions.
What is embedded SQL in mainframe?
Embedded SQL statements are used in COBOL programs to perform standard SQL operations. Embedded SQL statements are preprocessed by the SQL processor before the application program is compiled. COBOL is known as the Host Language. COBOL-DB2 applications are those applications that include both COBOL and DB2.
What is cursor types of cursor and diff b W cursors?
Difference between Implicit and Explicit Cursors :
| Implicit Cursors | Explicit Cursors |
|---|---|
| Implicit cursors are automatically created when select statements are executed. | Explicit cursors needs to be defined explicitly by the user by providing a name. |
| Closes automatically after execution. | Need to close after execution. |
What is SQLCODE in COBOL?
The SQLCODE field of SQLCA is used to get the return code for the last executed SQL query from DB2 to COBOL program. Below are the range of return codes which SQLCODE field can take along with their significance. SQLCODE = 0 → Query executed successfully without any issue.
What is Reorg and Runstats in DB2?
1. runstats and reorgs. runstats is for collecting indexes and tables statistics information which to enable the DB2 optimizer to generate efficient access plan. reorgs is for reorganizing tables and indexes.