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What are the three classes of SQL expression?
SQL expression consists of three clauses:
Select
From
Where
Project Description: This is a Customer Management project. Customer data is presented in a text file. The program can load this text data into its database columns. The data ma
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
Define check point and its impact on data base recovery. Ans: There could be hundreds of transactions handled per minute, in a large on-line database system.
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
Table Handling In RDBMS more than one table can be tackled at a time by using join operation. Join operation is a relational operation that causes 2 tables with a common domai
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
Conversion of entity sets: I) For every strong entity type E in the ER diagram, we make a relation R containing all the easy attributes of E. The relation R pri
note on hashing technique
wh
define attribute inheritance with example?
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