How and when to use GU and GHU calls is perfectly needed to write logic in IMS DB programs. Read more.
Useful and most frequently used IMS DB command codes complete list you can read here.
Many programmers not aware how to handle U0777 error that occurred for dead lock scenario in IMS DB database. There is a simple solution available for this. While writing your program just follow these steps, so that you will not be received an error U0777
IMS DB Mandatory statement is DLITCBL for all COBOL and IMSDB programs. Read for full details
Default CMPAT=N in PSBGEN, it means only can be used in Batch processing. Read more…
Quick refresher on why you always need Qualified SSAs over un-qualified SSAs in your IMS DB programs.
DBDGEN Utility the purpose of this utility for IMS DB programs explained in this article.
The real differences between IMS DB command code and Proc options.
IMS monitor to know which database calls used in that program of a particular step. You will get this information in Spool. Read more.
The interesting point is DB/DC does contain both transaction manager and database manager. So this…
DEDB – Often it is called data entry database. These kind of of databases will be used in Banking industry. And credit and Debit card processing projects. The implementation of DEDB is different from DL/I.
In IMS DB not only DLI commands you an also issue SQL queries to access data from IMS DB database. Read more.