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What is OCR?
OCR (Optical Character Recognition) is a technology that enables you to change different types of machine-readable documents, like scanned paper documents, PDF files or images captured by a digital camera into editable and searchable data. This technology would permit you to recognize letters on the image, put them into words and then these words into sentences.
What are stand-alone procedures? Procedures that are not part of a package are called as stand-alone because they independently defined. A good example of a stand-alone procedu
Define the Two Phase Locking Protocol This is a protocol that is used to make sure serializability of transactions. This protocol needs that every transaction issue lock and u
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
need requirement analysis for database management of stock market
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
write-set(T): Each data items that are written by a transaction T
Adding Redundant Associations for Efficient Access Redundant associations do not add any type of information, therefore during design we should actually examine structure of o
INSERT INTO command : Values can be inserted for all columns or for the selected columns Values can be given by sub query. In place of values parameter substitution
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
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