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Consider the E/R schema with weak entity sets shown below. Come up with the SQL CREATE TABLE statements (with appropriate primary key, unique and foreign key constraints). Include the SQL statements and appropriate screen shots showing that your CREATE TABLE statements succeeded into your submission document
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
what is view?explain
Need for Client Server Computing- Client/Server (C/S) architecture includes running the application on multiple machines in which every machine with its component software tackles
er diagram of sport
Write a query that display ename annual salary and comm from emp table
What is property - properties of a database ? It is an integrated collection of logically related records. It consolidates separate files into a common pool of data records and
#what is cursor its uses ? Explain it
Explain the Recoverable Schedule A recoverable schedule is one in which for each pair of transactions Ti and Tj such that Tj reads a data item formerly written by Ti, the comm
What is an ER diagram? Why is it used in Database management system (DBMS)?
What is the difference among a primary index and a secondary index? Primary Index: A primary index is an ordered file whose records are of fixed length along with two fields.
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