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what is data link layer
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
What is SQL, and why is it important? SQL stands for Structured Query Language, and is the most significant data processing language in use today. It is not a complete programm
can you create a database for me in oracle/sql
What is use of generating such tables? How can you create temporary tables? When you require a table only for a short time after that you want it to disappear automatically you
What is a cascading update? Referential integrity constraints needs that foreign key values in one table correspond to primary key values in another. If the value of the primar
Identification of concurrency Identification of concurrency: Dynamic model identifies concurrency. Two objects are said to be parallel (concurrent) if they can receive events a
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
(a) Why did SAP introduce the extended star schema?
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
A TDMS project plan is not a typical Information Technology project plan; therefore, a traffic data project has several unique characteristics: Traffic data management system
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