What is a system catalog table in db2?


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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)

2 Answers  


wht are the restrictions for union ?

2 Answers   CTS,


What is dclgen (declaration generator)?

0 Answers  


in my table i will update only 100 record among 1000 records i need to display recently updated record'.....can u tell me where those records are stored how can i display those records...?if there is any sql query pls let me know....?

3 Answers   Infosys,


What does CURRENTDATA option in bind indicate

1 Answers   IBM,






Explain the function done by data manager?

0 Answers  


what is db2 restart?

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Define buffer pool.

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Mention the definition of cobol in varchar field.

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if suppose i am having an ACCOUNT table with 3 coloumns ACC. NO,ACC. NAME,ACC. AMOUNT . If a unique index is also defined on ACC.NO and ACC.NAME then write a query to retrieve account holders records who have more than 1 ACC.

8 Answers   Wipro,


Explain packages.

0 Answers  


Which component is responsible for db2 startup and shutdown?

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