Question
______ is a magnetically thin coated piece of plastic
wrapped around wheels which is sequential access and is often used for backing up large amounts of data.Solution
A tape is a magnetically thin coated piece of plastic wrapped around wheels capable of storing data. Tape is less expensive than other storage mediums, but also much slower because it is sequential access and is often used for backing up large amounts of data
Which normal form deals with the issue of transitive dependencies?
Which of the following is true about Information?
Which of the following storage devices is considered non-volatile?
Which of the following joins returns all rows from both tables, filling in NULL values for non-matching rows?
In the context of databases, what does the term sharding refer to?
A collection of Data organized in a manner that allows access, retrieval & use of the data
Which of the following concurrency control techniques allows multiple transactions to read data simultaneously but ensures that only one transaction ca...
How many types of architecture we have in DBMS
In a relational database, a foreign key is used to:
Which of the following is used to speed up data retrieval in a relational database?
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