Introduction to SQL Which of the following is illegal? SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; None of these SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; None of these SELECT SYSDATE - SYSDATE FROM DUAL; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Nothing FLASE TRUE Hi Nothing FLASE TRUE Hi 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): NOT IN only. LIKE only. IN only. Both IN and NOT IN. NOT IN only. LIKE only. IN only. Both IN and NOT IN. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a valid SQL type? All of these FLOAT NUMERIC CHARACTER All of these FLOAT NUMERIC CHARACTER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? UNIQUE DISTINCTIVE DISTINCT DIFFERENT UNIQUE DISTINCTIVE DISTINCT DIFFERENT 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 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. use SELECT to name the source table(s) and list the columns to be shown after USING. ANSWER DOWNLOAD EXAMIANS APP
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