Which command is used to connect to a database in DB2 ? Give the Syntax.
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what are the copybook changes generally we done?can anyone tell me......... Thanks in advance........
What do you need to do before you do EXPLAIN?
Can you tell me how can you find out the # of rows updated after an update statement?
Can you search give an array in the WHERE clause of a db2 query?
What is a DBRM, PLAN ?
How does DB2 determine what lock-size to use?
Following a db2 update statement, what is the quickest way to compute the total number of updated rows?
What is role in db2?
we can code COPY DCLGEN or INCLUDE DCLGEN, At which stage of the precompilation , dclgen get expanded if we write 1) copy 2) include one question about dclgen.. Is it mandatory to use declare table in dclgen.. I think no...but it will be used by the precompiler to validate the table name,column name etc.., can one clear my doubt ..is it necessary to include declare table or not?
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)
What is sqlca’s maximum length?
What is sqlca?