Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands can be used to add data to a database table? UPDATE APPEND INSERT ADD UPDATE APPEND INSERT ADD ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following is the original purpose of SQL? To define the data structures To specify the syntax and semantics of SQL manipulation language All of these To specify the syntax and semantics of SQL data definition language To define the data structures To specify the syntax and semantics of SQL manipulation language All of these To specify the syntax and semantics of SQL data definition language ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The format SELECT-FROM-WHERE is the fundamental framework of SQL SELECT statements. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command is used to change a table's storage characteristics? None of these ALTER TABLE MODIFY TABLE CHANGE TABLE None of these ALTER TABLE MODIFY TABLE CHANGE TABLE ANSWER DOWNLOAD EXAMIANS APP
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