Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? Oracle R:base dBase-II IDMS Oracle R:base dBase-II IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? Weak entity Strong entity ID- independent entity ID-dependent entity Weak entity Strong entity ID- independent entity ID-dependent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is Look-up All of these None of these Insert Modify Look-up All of these None of these Insert Modify ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Any table that meets the definition of a relation is said to be in first normal form. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data security threats include fraudulent manipulation of data privacy invasion all of the listed here hardware failure fraudulent manipulation of data privacy invasion all of the listed here hardware failure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? DELETE UPDATE SELECT CREATE DELETE UPDATE SELECT CREATE ANSWER DOWNLOAD EXAMIANS APP
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