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Create Student DB and execute Insert query?
STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course#, semester, year, instructor) GRADE_REPORT (student#, section identifier, grade) PREREQUISITE (course#, presequisite#)
)
Insert a new course <'Knowledge Engineering', ‘CS4390', 3, ‘CS'>
Query
INSERT INTO COURSEVALUES(‘Knowledge Engineering', ‘CS4390', 3, ‘CS')
Define average seek time. The average seek time is the average of the seek times, calculated over a sequence of random requests.
online eductional management system ke diagram
What is DML (Data Manipulation Language)? This language that enable user to access or manipulate data as organised by appropriate data model. Procedural DML or Low level: DM
Question: (a) Define the term e-Government and briefly explain, using appropriate examples, the aspects it covers. (b) Give four reasons as to why a country should adopt e
Fundamentals of Database Management 1. Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? 2. With a necess
Explain trivial dependency? Functional dependency of the form α ->β. is trivial if α C β. Trivial functional dependencies are satisfied by all the relations.
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
What are the features of embedded SQL? Explain. Embedded SQL - SQL could be implemented within two ways. It can be used interactively or embedded in a host language or throu
object oriented database
" Wound-wait" scheme : It is based on a preemptive method. It is based on a simple rule: If Ti requests a database resource that is held by Tj
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