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Describe an data dictionary?
A data dictionary is a data structure which keeps meta data about the structure of the database ie. the schema of the database.
INSERT INTO command : Values can be inserted for all columns or for the selected columns Values can be given by sub query. In place of values parameter substitution
Identify the need and use of data control through problem solving, illustration
Need an expert in ER database theoretical and modeling database system Project Description: Need an expert in ER database theoretical and modeling database systems? Skills
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
Write a query that display ename annual salary and comm from emp table
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
What is multiplicity in the associations? Give an example to explain multiplicity? Multiplicity in association indicate number of objects participate in any relationship. For
courier company er-diagram
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
explain five responsibilities of DBA?
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