Introduction to SQL The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters." False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? To define the data structures All of these To specify the syntax and semantics of SQL manipulation language To specify the syntax and semantics of SQL data definition language To define the data structures All of these To specify the syntax and semantics of SQL manipulation language To specify the syntax and semantics of SQL data definition language ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? EXISTS operator IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: braces -- {...}. CAPITAL LETTERS. parenthesis -- (...) . brackets -- [...]. braces -- {...}. CAPITAL LETTERS. parenthesis -- (...) . brackets -- [...]. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of columns. distinct values. values. groups. columns. distinct values. values. groups. ANSWER DOWNLOAD EXAMIANS APP
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