Introduction to SQL A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: CAPITAL LETTERS. parenthesis -- (...) . braces -- {...}. brackets -- [...]. CAPITAL LETTERS. parenthesis -- (...) . braces -- {...}. brackets -- [...]. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL can be used to: All of these query database data only. modify database data only. create database structures only. All of these query database data only. modify database data only. create database structures only. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a valid SQL type? NUMERIC FLOAT All of these CHARACTER NUMERIC FLOAT All of these CHARACTER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? NOT operator None of these IS NULL operator EXISTS operator NOT operator None of these IS NULL operator EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
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