Introduction to SQL Which of the following SQL commands can be used to add data to a database table? INSERT ADD UPDATE APPEND INSERT ADD UPDATE APPEND ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: a programming language. a DBMS. an operating system. a data sublanguage. a programming language. a DBMS. an operating system. a data sublanguage. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes may be created or dropped at any time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? IS NULL operator EXISTS operator NOT operator None of these IS NULL operator EXISTS operator NOT operator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints garbage is illegal prints 045.926 prints 50 prints garbage is illegal prints 045.926 prints 50 ANSWER DOWNLOAD EXAMIANS APP
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