Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If a query involves NOT, AND, OR with no parenthesis NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. The order of occurrence determines the order of evaluation. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. The order of occurrence determines the order of evaluation. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the SQL statement below that is equal to the following: SELECT NAME FROM CUSTOMER WHERE STATE = 'VA'; SELECT NAME IN CUSTOMER WHERE STATE IN ('VA'); SELECT NAME IN CUSTOMER WHERE STATE = 'VA'; SELECT NAME FROM CUSTOMER WHERE STATE IN ('VA'); SELECT NAME IN CUSTOMER WHERE STATE = 'V'; SELECT NAME IN CUSTOMER WHERE STATE IN ('VA'); SELECT NAME IN CUSTOMER WHERE STATE = 'VA'; SELECT NAME FROM CUSTOMER WHERE STATE IN ('VA'); SELECT NAME IN CUSTOMER WHERE STATE = 'V'; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the SQL statements is correct? 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 SELECT Username AND Password FROM Users SELECT Username, Password WHERE Username = 'user1' ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword(s) ________ is used with wildcards. IN only LIKE only NOT IN only IN and NOT IN IN only LIKE only NOT IN only IN and NOT IN ANSWER DOWNLOAD EXAMIANS APP