In a DB2-CICS program which acts as co-ordinator and which is the participant?

Correct Answer: The simplest DB2 index is the B-tree and the B-tree's top page is called the root page The root page entries represent the upper range limits of the index and are referenced first in a search

Correct Answer: A QUIESCE flushes all DB2 buffers on to the disk This gives a correct snapshot of the database and should be used before and after any IMAGECOPY to maintain consistency

Correct Answer: SQL statement gets executed when we open cursor

Correct Answer: - If the table structure is changed ( a field is added ), the program will have to be modified - Program might retrieve the columns which it might not use, leading on I/O over head - The chance of an index only scan is lost

Correct Answer: The number of distinct values for a column is called index cardinality DB2's RUNSTATS utility analyzes column value redundancy to determine whether to use a tablespace or index scan to search for data

Correct Answer: Customer Information Control System (CICS) is an online transaction processing monitor from IBM that acts as an interface between the operating system and application programs to provide rapid high-volume online transaction processing

Correct Answer: READNEXT reads the next record from a browse operation for any of the three VSAM files

Correct Answer: - NOHANDLE is an option that can be specified along with abnormal condition during program execution - When the exception occurs, no action is performed during execution of NOHANDLE command - The abnormal condition is ignored, even the EXEC CICS HANDLE condition exist - The abnormal condition is also ignored when EXEC CICS IGNORE condition is tested - The previous HANDLE CONDITION for other commands will not be effected with NOHANDLE option

Correct Answer: The following are the ways of initiating a CICS transaction 1 By entering Transaction Id 2 By Start command 3 By Return Trans Id (as in pseudo - conversation) 4 By Registering Tran ID in plt so that it will be automaticaly dusring CICS start 5 By ATI (Automatic task initiation) 6PF & PA keys as defined in PCT

Correct Answer: The following commands are available for the Program Control services: LINK: To pass control to another program at the lower level, expecting to be returned XCTL: To pass control to another program at the same level, not expecting to be returned RETURN: To return to the next higher-level program or CICS LOAD: To load a program RELEASE: To release a program