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What is Asterisk in SQL?
Asterisk (*): In SQL, the columns for all the tables and views in the FROM clause will be displayed.
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
What are the various symbols used to draw an E-R diagram (any 3)?
Examples:- Hierarchical Model: It tells data as and relationships by hierarchy of data values. Figure illustrates an example of hierarchical model. Now a day's these models are
a project based on normalization with first, second and third normalization. There need to be a diagram also
What type of view of total database content? Data base content Conceptual view of total database contain.
How to design a formal and exact model How to design a formal and exact model of real-world problems by applying findings of analysis phase of OMT. The object design phase find
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
How the time stamps are implemented Use the value of the system clock as the time stamp. That is a transaction's time stamp is equivalent to the value of the clock when the tra
Explain the main advantages of DBMS over File Oriented System ?
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