Explain what are the various isolation levels possible?
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What are the isolation levels possible ?
Why do we need to create an alias if we can directly use the table name? What are the benefits of referring a table name by its alias? Also, when should we go for alias and when for synonyms?
What is the SQL Communications Area and what are some of its key fields?
what's the best lock size that you could use when you create a tablespace?
what is utility for parm lib
What do you mean by between and in? Is between inclusive of specified range values?
What is a subselect? Is it different from a nested select?
Name the various locking levels available?
Explain what a plan is?
Why might full image copies be faster to implement than an incremental image copy?
How do I optimize a query in db2?
List some fields from sqlca?