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define anomalies and different types of anomalies with example
1. Identify the comparisons and exchanges made to sort the following array using the selection exchange sort technique. Note: you may not need all columns. Ori
Information about a bank is about customers and their account. Customer has a name, address that consists of house number, area and city, and one or more phone numbers. Account ha
I need to Map an E-R diagram to a relational schema
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
#question. acompani datdbase needs to store information about employees (identified by a social security number,with salary and phone as attributes) and departments (identified by
Explain the concepts of relational data model? Relational Data Model - The relational model was first introduced through Prof. E.F. Codd of the IBM Research in the year 1970
What is the full form of DDL? DDL is stand for Data Definition Language.
Whst is logical schema ? Logical schema is the entire database.
Run the following queries. For each query show 1) What you expect the output to be based upon the data 2) the SQL code and 3) the output running the query in Oracle. 1. Show all c
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