DISCONNECT
DISCONNECT — terminate a database connection
Synopsis
DISCONNECTconnection_nameDISCONNECT [ CURRENT ]DISCONNECT ALLDescription
DISCONNECT closes a connection (or all connections) to the database.
Parameters
connection_name#A database connection name established by the
CONNECTcommand.CURRENT#Close the“current” connection, which is either the most recently opened connection, or the connection set by the
SET CONNECTIONcommand. This is also the default if no argument is given to theDISCONNECTcommand.ALL#Close all open connections.
Examples
intmain(void){ EXEC SQL CONNECT TO testdb AS con1 USER testuser; EXEC SQL CONNECT TO testdb AS con2 USER testuser; EXEC SQL CONNECT TO testdb AS con3 USER testuser; EXEC SQL DISCONNECT CURRENT; /* close con3 */ EXEC SQL DISCONNECT ALL; /* close con2 and con1 */ return 0;}Compatibility
DISCONNECT is specified in the SQL standard.