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tell me the functionality,advantages and disadvantages of student database
This language that enable user manipulate to or access data as organized by appropriate data model. Low level or Procedural DML : DML needs a user to specify what data ar
It defines that the tuple in one relation that refers to another relation must refer to an existing tuple in that relation. This constraint is states on two relations (not essentia
what are the topics in data management
What is ODBC ? ODBC - Open DataBase Connectivity which is also denoted by ODBC enable the integration of SQL along with a common-purpose programming language. ODBC expose data
data models are being replaced over years. Reasons and why does that happen?
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
what do you mean by consistency in rdbms?
What is a Transaction? A transaction is an event which happens on the database. Generally a transaction reads a value from the database or writes a value to the database. If y
how many hourse have been spent on a certain project
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