Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To define what columns should be displayed in an SQL SELECT statement: use USING to name the source table(s) and list the columns to be shown after WHER use SELECT to name the source table(s) and list the columns to be shown after USING. use FROM to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after WHER use SELECT to name the source table(s) and list the columns to be shown after USING. use FROM to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after SELECT. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 SELECT city FROM weather WHERE humidity = 89; SELECT city WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT city WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city FROM weather; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL -92 wildcards are ____ and ____ . question mark (?); asterisk (*) underscore(_); question mark (?) percent sign (%); underscore (_) asterisk (*); percent sign (%) question mark (?); asterisk (*) underscore(_); question mark (?) percent sign (%); underscore (_) asterisk (*); percent sign (%) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The result of a SQL SELECT statement is a ________ . table form report file table form report file ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints 50 prints 045.926 prints garbage is illegal prints 50 prints 045.926 prints garbage is illegal ANSWER DOWNLOAD EXAMIANS APP
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