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 There is an equivalent join expression that can be substituted for all subquery expressions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL WHERE clause: Neither A nor B are correct. Both A and B are correct. limits the row data are returned. limits the column data that are returned. Neither A nor B are correct. Both A and B are correct. limits the row data are returned. limits the column data that are returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The ADD command is used to enter one row of data or to add multiple rows as a result of a query. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The condition in a WHERE clause can refer to only one value. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: a DBMS. a data sublanguage. a programming language. an operating system. a DBMS. a data sublanguage. a programming language. an operating system. ANSWER DOWNLOAD EXAMIANS APP
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