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Explain Transaction manager and their work?
Transaction Manager: Ensure the database remains in a constant (correct) state despite system failure, and in which concurrent transaction executions proceed without conflicting.
Describe the term- State Diagram State Diagram: An object could receive a sequence of the input instructions. The state of the object can differ depending upon sequence of in
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
Write short notes on domain relational calculus The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole t
read-set(T) : Each data items that are read by a transaction T Timestamps : for all transaction T, the start-time and the end time are reserved for all the three phases.
Submit the SQL Statements necessary to create your database according to the following guidelines: Your SQL statements should exactly mirror your ERD. All primary keys,
Mention the various user privileges All privileges directly granted to the user or role. All privileges granted to roles that have been granted to the user or role.
how to connect vb.net with access
Explain the Query Processing Data Query Processing permits a user to report or analyze structured and unstructured data pulled from multiple data sources.
What is Relational Algebra? Relational algebra is a Procedural query Language?
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