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Different stages of DDLC ?
Problem 1. Create a PL/SQL program to insert data into student table and display the details of the student having Reg.No 1010 Writing a PL/SQL program to Insert data
Define instance and schema? Instance: Collection of data kept in the data base at a particular moment is known as an Instance of the database. Schema: The o
What is Conceptual Schema? Conceptual Schema - Conceptual schema elaborates the structure of the overall database for a community of users. It hides the details of physical sto
write on the various type of relationalkey
Draw an entity relationship diagram (ERD) for the following situation: A company has a number of employees. Each employee is identified by an Employee_Id. The company wants to st
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
object oriented database
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
job scheduling for different cubes
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