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In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
Define Aggregate functions and what aggregate functions supported by the MySQL To calculate a summary value from a set of individual values and uses one of the functions known
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
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
tell me the functionality,advantages and disadvantages of student database
Construct an ER diagram for a hospital along with a set of patients and a set of medical doctors Associate with every patient a log of the several tests and examinations conducted.
What is the full form of DDL? DDL is stand for Data Definition Language.
An employee record has the following structure struct employee { int eno; char name[22]; float salary; char dept[10];}; (i) Calculate the record size R in bytes.
WHAT IS DATABASE TECHNOLOGIES
Difference between SQL and SQL*Plus SQL SQL*Plus SQL is a language SQL *Plus is an environment It is bas
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