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Give detail description on Transactions. - Using transactions we can group all SQL commands into a single unit. - Transaction begins with some task and finishes only when a
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
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
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
job scheduling for different cubes
NEED FOR A DATABASE MANAGEMENT SYSTEM A Database is a structured, persistent collection of data of an organisation. The database management system (DBMS) manages the database o
To do the division operation R1 ÷ R2, R2 should be a correct subset of R1. In the following example R1 have attributes A and B and R2 have only attribute B so R2 is a correct subse
Question : (a) Data mining is one of the best ways to analyse data and using software method, hidden and unexpected patterns and relationships in sets of data can be extracte
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