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Create a new user : CREATE USER IDENTIFIED BY Example: //CREATE USER MCA12 IDENTIFIED BY W123 Grant: It is used to give database access permission to users. It is of
What is a virtual table that draws its data from the result of an SQL SELECT statement? View is a virtual table that draws its data from the result of an SQL SELECT statement.
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
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
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
East Coast Aquarium Relational Database
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
Differentiate OO development from structured development. Structured approach of problem solving is based upon the idea of decomposition of system into subsystem. In this appro
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.
Speedup Query Processing: A query that includes data at various sites can be split into sub-queries. These sub- queries can be implemented in parallel by various sites. Such parall
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