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Why are cursors necessary in embedded SQL? A cursor is an object used to store the output of a query for row-by-row processing through the application programs. SQL statements
Discuss The difference between drop table R and delete from R. DROP TABLE command deletes all the records with the table definition. This command will automatically committed
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
Determine the Three Views of Data We know that the similar thing, if viewed from dissimilar angles produces difference sights. Similarly, the database that we have formed alrea
How do I use strap on?#
1. Which relational algebra operations do not need the participating tables to be union-compatible? Ans: Join is the relational algebra operations that do not need the particip
It can be easily defined as: The database must not have any unmatched foreign key values. The term "unmatched foreign key value" means a foreign key value for which there doe
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
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