Program Specification Block defines the programs view of the database and application programs access authority to database. It defines the logical data structure. A PSB is made up of one or more PCBs (Program communication blocks).
How does DB2 determine what lock-size to use?
What is a composite index and how does it differ from a multiple index?
What are delete-connected tables?
What are the disadvantages of PAGE level lock?
What is a precompiler?
What is the diff bet plan,package,dbrm?
Give the COBOL definition of a VARCHAR field.
When can an insert of a new primary key value threaten referential integrity?
What is the self-referencing constraint?
Is DECLARE CURSOR executable?
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