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Explain Data Sublangauges ?
Data sublanguage: In relational database theory, the term sublanguage, first used for this purpose through E. F. Codd in the year of 1970, refers to a computer language used to describe or manipulate the structure and contents of a relational database management system (RDBMS). Typical sublanguages related along with modern RDBMS's are QBE (Query by Example) and SQL (Structured Query Language).
a set of possible data value of an attribute is called??
Create Student DB and perform delete operation? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, co
Define Deadlock detection If a system does not employ a few protocols that make sure deadlock freedom, after that a detection and recovery scheme should be used. An algorithm
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
I need web security expert , website management Project Description: i want professional for the below . website management server management database management
NEED ER DIAGRAM WITH MINIMUM ENTITY AND RELATIONSHIP of Hospital Management System
Whst is logical schema ? Logical schema is the entire database.
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
Define Serializable schedule Serializable schedule: An interleaved schedule of much more than one transaction is known as a serializable schedule, if it is equal to some serial
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
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