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Data Control The data control mostly refers to commands that permit system and data privileges to be passed to several users. These commands are usually available to database administrator. Let us see some data control language commands:
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
write a database program for concurrency transaction in a bank
Explain cursors in SQL? Cursors in SQL - An object used to store the output of a query for row-through-row processing through the application programs. Cursors are constructs
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
Part 1: Security Plan Consider the Case study and identify 3 security requirements. For each of these security requirements: • Discuss the necessity for the feature and how
Process-oriented decompositions Process-oriented decompositions divide complex process, task or function into simpler sub processes until they get simple enough to be deal
Describe the algorithm for updating indices for a single level index when a record is (i) Inserted (ii) deleted What will be the modification if there are multilevel in
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set
I need to Map an E-R diagram to a relational schema
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