Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To define what columns should be displayed in an SQL SELECT statement: use SELECT to name the source table(s) and list the columns to be shown after USING. use USING to name the source table(s) and list the columns to be shown after WHER use USING to name the source table(s) and list the columns to be shown after SELECT. use FROM to name the source table(s) and list the columns to be shown after SELECT. use SELECT to name the source table(s) and list the columns to be shown after USING. use USING to name the source table(s) and list the columns to be shown after WHER use USING to name the source table(s) and list the columns to be shown after SELECT. use FROM to name the source table(s) and list the columns to be shown after SELECT. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s): Both IN and NOT IN. IN only. LIKE only. NOT IN only. Both IN and NOT IN. IN only. LIKE only. NOT IN only. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ON UPDATE CASCADE ensures which of the following? Materialized Views All of these Normalization Data Integrity Materialized Views All of these Normalization Data Integrity ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? REMOVE ALTER COLLAPSE DELETE REMOVE ALTER COLLAPSE DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement that queries or reads data from a table is ________ . QUERY READ None of these SELECT QUERY READ None of these SELECT ANSWER DOWNLOAD EXAMIANS APP