Introduction to SQL The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column. True False True False 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
Introduction to SQL Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that: None of these all records meeting the full criteria are to be returned. all records with even partial criteria met are to be returned. all columns of the table are to be returned. None of these all records meeting the full criteria are to be returned. all records with even partial criteria met are to be returned. all columns of the table are to be returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the SQL statements is correct? SELECT Username AND Password FROM Users SELECT Username, Password FROM Users None of these SELECT Username, Password WHERE Username = 'user1' SELECT Username AND Password FROM Users SELECT Username, Password FROM Users None of these SELECT Username, Password WHERE Username = 'user1' ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000? None of these SELECT name FROM staffinfo WHERE salary IN (10000, 25000); Both A and B SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; None of these SELECT name FROM staffinfo WHERE salary IN (10000, 25000); Both A and B SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; ANSWER DOWNLOAD EXAMIANS APP
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