NDS_SCHEMA_SYNC_OPEN is only used if either CheckEachNewOpenConnection or CheckEachAlreadyOpenConnection was set to 1 during the corresponding NDS_SCHEMA_SYNC query. This query is generated whenever CheckEachNewOpenConnection is 1 and NDS* needs to open a new connection pursuant to doing schema synchronization or CheckEachAlreadyOpenConnection is 1 and NDS needs to reuse an already existing connection.
The version of NDS.
The expiration interval that should be assigned to this connection. <0,0 Use the default expiration interval (default) >0 Expiration Interval to be assigned to this connection
TRUE NDS believes it already has a connection to this address and wishes to reuse that connection FALSE NDS does not have a connection to this address and wishes to create one
If ConnectionIsAlreadyOpen is TRUE, then ConnectionLastUsed is the last time that a packet was sent from DS using this connection. Otherwise, it will be zero. TRUE ConnectionLastUsed is the time that NDS* last sent a packet on this connection FALSE ConnectionLastUsed will be zero