A
- Are there two DBMaker.bin processes started by default when we start database?
1. And when the user connects to Database, does the child process start one by one?
2. If the users want to check whether Database is alive or not, can they use the number of alive processes by PS command in LINUX? (If the number of DBMaker.bin process is under 2, Does it means that Database is dead?)
By default, when DBMaker is started, three processes started in Linux; one is the primary process by which we can access from AP, the other ...
- After dropping table and loading table, using update statistics table and update statistics separately; why the execute time of the latter is shorter than the former’s? Are the disposal methods in the DBMaker different between the two? And besides the data of the systablespace, what other systamcatalog will be updated when executing update statistics?
The disposal methods between the update statistics and update statistics table are different. Because that the update statistics will update all the table’s column, index ...
- After the server side has upgraded to 4.1.6 from 4.1.4, can the client side with 4.1.4 machine connect to the upgraded server?
Yes. The 4.1.4 Client can connect to the 4.1.6 Server smoothly. ...
- After the server side has upgraded to 4.1.6 from 4.1.4, can the ODBC program linked with 4.1.4 work as well as before?
Generally, the ODBC program linked with the 4.1.4 static library (dmapi41.lib for windows, dmapic.a for Linux/Unix) can access the 4.1.6 server, but to enjoy the ...
- Are the User ID and Password encrypted when connecting to database via network? Or they only be encrypted when setting DB_NetEc=1? Is any possibility of leakage UID and Password in network with setting DB_NetEc=0?
Yes. UID and Password are encrypted in the networking flow no matter whether set keyword DB_NetEc. Even if setting DB_NetEc=0, it is impossibility of leakage ...
- Are there some limitations about keyword DB_NJNLB in Windows Platform? (DBMR 1882, version: DBMaker 5.0)
At present, DBMaker keyword DB_NJNLB has a limitation in windows platform; the below table shows the limitations of the current Windows OS.
DBMaker Journal Buffer (DB_NJNLB) ...