Introduction to SQL Which SQL statement is used to delete data FROM a database? REMOVE DELETE ALTER COLLAPSE REMOVE DELETE ALTER COLLAPSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following must be enclosed in double quotes? All of these Strings Dates Column Alias All of these Strings Dates Column Alias ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to eliminate a table from a database is: REMOVE TABLE CUSTOMER; UPDATE TABLE CUSTOMER; DELETE TABLE CUSTOMER; DROP TABLE CUSTOMER; REMOVE TABLE CUSTOMER; UPDATE TABLE CUSTOMER; DELETE TABLE CUSTOMER; DROP TABLE CUSTOMER; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? INSERT JOIN DELETE SELECT INSERT JOIN DELETE SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of the countries whose condition is sunny. SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE condition = 'sunny'; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. False True False True ANSWER DOWNLOAD EXAMIANS APP
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