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Which isolation level provides highest data integrity?
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1) I have 3 programs : PGMA, PGMB, PGMC. PGMA calls PGMB and PGMB calls PGMC. I have to do inserts, updates in all the 3 pgms. 2) Say PGMC has done its work successfully and returned to PGMB 3) PGMB had an SQL error while doing some update 4) PGMA has already done some updates before calling PGMB all are running under the same CICS region. What will happen if I issue SYNCPOINT ROLLBACK in PGMB when it abends ? Does all the changes in PGMA,B,C rollback ? (because all the pgms belong to same task).
Mention a credible reason why select* is never given preference in an sql program that has been embedded.
when i am trying to update a table having 1000 rows. the program abends.how we will come to know the last successful updated row was. we are not using any commit operations
What are the functions in DB2?
pls explain the precompilation process of cobol-db2 pgm
What is drop table?
Suppose we have a query for update update table1 set col1 = 'val1' where col2=(select .... from ...) suppose the subquery does not return any record, what will happen to update?
Mention the length of physical storage of the given data types of db2 – date, timestamp, time
How is the value function used?
Are views updateable?
Can you search give an array in the WHERE clause of a db2 query?
COBOL 
