Introduction to SQL Which of the SQL statements is correct? SELECT Username AND Password FROM Users SELECT Username, Password WHERE Username = 'user1' None of these SELECT Username, Password FROM Users SELECT Username AND Password FROM Users SELECT Username, Password WHERE Username = 'user1' None of these SELECT Username, Password FROM Users ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of the countries whose condition is sunny. SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city UNION (SELECT city FROM weather 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 condition = 'sunny'; SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes may be created or dropped at any time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ............. joins two or more tables based on a specified column value not equaling a specified column value in another table. OUTER JOIN EQUIJOIN NATURAL JOIN NON-EQUIJOIN OUTER JOIN EQUIJOIN NATURAL JOIN NON-EQUIJOIN 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? SELECT INSERT DELETE JOIN SELECT INSERT DELETE JOIN ANSWER DOWNLOAD EXAMIANS APP
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