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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
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
what is attribute is attribute inheritance in dbms?
sir we want er diagram of bank management system in this main menu option as new account,deposit amount,withdraw amount,all acount holder list,modify account,close account
Differentiate between horizontal & mixed horizontal fragmentation?
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
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
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
Entities Let us first be aware of the question: What are entities? An entity is an object of concern used to show the things in the actual world, e.g., table, car, bo
Consider the relation schemas as follows. works (person name, company name, salary); lives (person name, street, city); located in(company name, city); managers (person name
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