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What is the use of with clause in SQL?
The with clause gives a way of defining a temporary view whose explanation is available only to the query in which the with clause occurs.
Problem : AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
Shared lock or Read Lock It is requested by a transaction that needs to just read the value of data item. A shared lock on a data item does not permit an exclusive lock
Given the following relations TRAIN (NAME, START, DEST) TICKET (PNRNO., START, DEST, FARE) PASSENGER (NAME, ADDRESS, PNRNO.) Write SQL expressions for the following queries: No
Sequences Sequences: Automatically produce unique numbers Are sharable Are typically used to make a primary key value Replace application code Speed up t
DISADVANTAGES OF RDBMS
Insulation between conceptual and physical structures It can be defined as: 1. The Database Administrator should be capable to vary the storage structures without affectin
I have one assignment that has to be done in neo4j
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
what are the purposes of dbms in details
explain exhausitively the problems associated with er diagrams with ellustrations
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