What is difference between concurrent image copy and online
image copy?
Answer / s
Both are fuzzy copies. Both utilities run as BMP in the
online environement. Both requires logs and CAs in case of
recovery. Both allow concurrent updates to the database.
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I found some good questions/answers regarding IMS here:
Explain the advantage of dynamic generation of acb?
Which is the DL/I function used in CICS-IMS program?
What are all the possible inputs to the DB recovery utility?
What is a key field in an IMS database?
What is the advantage of dynamic generation of acb?
Which DB access method (OSAM or VSAM) is used for primary index or secondary index and why?
What are the advantages of a hierarchical database?
What is hierarchical database?
What are Twins?
What is acbgen process?
Explain the disadvantage of dynamic generation of acb?