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What is db2 and what is the use of db2 optimizer?
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How do I copy a table in db2?
What do you mean by NOT NULL WITH DEFAULT? When will you use it?
What technique is used to retrieve data from more than one table in a single SQL statement?
What techniques are used to retrieve data from more than one table in a single SQL statement?
When is the results table for the query in a DECLARE CURSOR statement created?
Mention the various locks that are available in db2.
What are the three types of page locks that can be held?
What is a db2 schema?
i want to maintain uniqueness on pdf without make lf??????????
Is DECLARE TABLE in DCLGEN necessary? Why it used?
In a Cobol-DB2 program, I am fetching rows from 4 tables using cursor and then based on the a field present in that table, It processes the information accordingly..for example stat-c is one digit field..if stat-c is 'D' then the a row is deleted from table and written those details in to a file. If the stat-c is 'U' then a row is updated (hardcoded what to update)in a table and written those details in to a file. If the stat-c is 'I' then a row is inserted in a table and written those details in to two files. The issue is i have to include the intermediate commits. When an abend occurs, due to commit statement db2 tables will be saved, But there will be lose of file contents. When we resubmitting the job associated with this program there will be insert ,update and delete anomolies to avoid that what measures could be taken?. The intermediate commit is nothing but issuing commit after massive inserts, updates and deletes(sum of 500actions)
When would you prefer to use VARCHAR?
COBOL 
