CONNECT Statement in the SQL Mode
INTERNAL 
Use the CONNECT statement to connect to the database instance, and specify the user name, password, and options for the database session.
EXEC SQL [<session_number>] CONNECT
[<user_name> IDENTIFIED BY <password> |
<uidpwd>]
[<connect_option>...] [KEY <key>];
<uidpwd> ::= <user_name>/<password>
<connect_option>
::= [ISOLATION LEVEL <unsigned_integer>]
[TIMEOUT <unsigned_integer>]
· Enter <session_number> as the session number if you want your application program to open multiple database sessions in parallel. In the SQL mode INTERNAL, there can be a maximum of eight parallel sessions with different SAP DB database instances.
· The user name <user_name> and password <password> can also be specified as a character string in a host variable (character or UNICODE data types).
·
In
<connect_option>
you
can
specify an
isolation level
and
timeout
value.
·
You can specify the
<key>
in a host variable with data type
char
.
You can specify an
XUSER user key,
DEFAULT
or the environment variable
SQLOPT
.
For information on setting the connection options at
runtime in this environment variable, see your operating system
documentation.
· The values of the <key> complete or override the values from the SET SERVERDB statement, as well as the explicitly specified user name, password, and CONNECT options.