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DATABASE, Database Management System
WHAT IS SQL
Posted Date: 11/14/2012 12:26:15 AM | Location : Sri Lanka
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What are the advantages of logical databases, What are the advantages of Lo...
What are the advantages of Logical Databases? It offers a simple-to-use selection screens. You can change the pre-generated selection screen to your needs. It offers check f
List the string operations supported by sql, List the string operations sup...
List the string operations supported by SQL? 1) Pattern matching Operation 2) Concatenation 3) Extracting character strings 4) Converting among uppercase and lower cas
Data manipulation language, Question 1 Discuss about second normal form an...
Question 1 Discuss about second normal form and third normal form Question 2 Write short note on 1) Data Manipulation Language 2) Data Definition La
Write short notes on index structure of files, WRITE SHORT NOTES ON INDEX S...
WRITE SHORT NOTES ON INDEX STRUCTURE OF FILES? There are two basic parts of indices 1. Ordered indices 2. Hash indices Every technique must be evaluated on the bas
What are views explain how views are different from tables, What are views?...
What are views? Explain how views are different from tables? A view in SQL terminology is a one table in which is derived from other tables. These other tables could be base t
Deadlock and its prevention, Deadlock And Its Prevention: As seen earlier,...
Deadlock And Its Prevention: As seen earlier, though two phase locking protocol handles the trouble of serialisability, but it causes some troubles also. For instance, consider th
Physical dbms architecture, PHYSICAL DBMS ARCHITECTURE The physical ...
PHYSICAL DBMS ARCHITECTURE The physical architecture defines the software components used to process and enter data, and how these software components are related and interc
Create student db and execute insert query, Create Student DB and execute I...
Create Student DB and execute Insert query? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course
Mention constraints to create command ddl, Mention the type of constraints ...
Mention the type of constraints we can specify in the CREATE command of DDL. The type of constraints that can be specified are as follows:- PRIMARY KEY, NOT NULL, UNIQUE, FOR
Define the terms - physical schema and logical schema, Define the terms 1)...
Define the terms 1) physical schema 2) logical schema. Physical schema: The physical schema explains the database design at the physical level, which is the lowest lev
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