Introduction to Database System The primary key is selected from the: determinants. composite keys. candidate keys. foreign keys. determinants. composite keys. candidate keys. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Master file Update file Specialized file Log file Master file Update file Specialized file Log file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system None of these both (a) and (b) allows non-programmers to access information stored in a database can accept English language commands can be accessed only by data processing professionals None of these both (a) and (b) allows non-programmers to access information stored in a database can accept English language commands can be accessed only by data processing professionals ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "records". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL None of these MODIFY TABLE REDEFINE TABLE MODIFY ALLOCATES ALTER TABLE None of these MODIFY TABLE REDEFINE TABLE MODIFY ALLOCATES ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
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