Introduction to SQL Which of the following command makes the updates performed by the transaction permanent in the database? ROLLBACK DELETE TRUNCATE COMMIT ROLLBACK DELETE TRUNCATE COMMIT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: a DBMS. a programming language. a data sublanguage. an operating system. a DBMS. a programming language. a data sublanguage. an operating system. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes can usually be created for both primary and secondary keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL can be used to: All of these create database structures only. query database data only. modify database data only. All of these create database structures only. query database data only. modify database data only. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve a maximum value? MAX MOST UPPER TOP MAX MOST UPPER TOP ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery. True False True False ANSWER DOWNLOAD EXAMIANS APP
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