Mention the way of highlighting as well as putting a cursor to use in a cobol program.
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Do we need cursor for Count(*)?
What are some characteristics of columns that benefit from indexes?
EXPLAIN has output with MATCHCOLS = 0. What does it mean?
How do I delete a table in database?
What is phantom read in db2?
For unmatched rows returned from an outer join, the column values in the other table are set to null e.g If A OUTER JOIN B returns some unmatched rows from A, the corresponding column values in B will be set to null. What can be done so that a null value is not displayed for these columns?
Before you give the explain statement, what are the prerogatives?
what is the name of the default db2 catalog database?
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.
how to resolve -811 sqlcode .give clear explaination
What is commit in db2?
Give some example of statistics collected during RUNSTATS?