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Define the terms i) DDL ii) DML
DDL: Data base schema is particular by a set of definitions expressed by a special language known as a data definition language.
DML: A data manipulation language is a language that enables users to access or manipulate data as organized by the suitable data model.
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
Q. Describe how an ER schema can be represented by relation schemas and constraints arising from ER design can be mapped to constraints on a relation schema. The entity rela
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
Explain the Functional Mode with help of an example. Functional Model The functional model shows a computation and functional derivation of data values in it without ind
how the string works as keyword?
employee(empid,empname,dept,telno,mobno, add,sssno,tinno,WEdates,WEcomp,WEadd,WEpos,WEres) this is a employee record which is need to be normalize.the WE means work experience
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
Modify a sequence: ALTER SEQUENCE SEQSS INCREMENT 2 MAXVALUE 3000; Removing a sequence: DROP SEQUENCE SEQSS;
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
I want Database Of United Kingdom with Criteria of:\r\n\r\n1). Name, Number, City, State, Postal Code, Address, Email id, DOB.\r\n\r\n2). Unsecure Debts only adds Credit Card Payme
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