Introduction to SQL Which of the SQL statements is correct? None of these SELECT Username AND Password FROM Users SELECT Username, Password WHERE Username = 'user1' SELECT Username, Password FROM Users None of these SELECT Username AND Password FROM Users SELECT Username, Password WHERE Username = 'user1' SELECT Username, Password FROM Users ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a valid SQL type? FLOAT NUMERIC All of these CHARACTER FLOAT NUMERIC All of these CHARACTER 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. NATURAL JOIN NON-EQUIJOIN OUTER JOIN EQUIJOIN NATURAL JOIN NON-EQUIJOIN OUTER JOIN EQUIJOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which of the following is not a data definition language commands? RENAME GRANT UPDATE REVOKE RENAME GRANT UPDATE REVOKE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL How to select all data from student table starting the name from letter 'r'? SELECT * FROM student WHERE name LIKE 'r%'; SELECT * FROM student WHERE name LIKE '_r%'; SELECT * FROM student WHERE name LIKE '%r%'; SELECT * FROM student WHERE name LIKE '%r'; SELECT * FROM student WHERE name LIKE 'r%'; SELECT * FROM student WHERE name LIKE '_r%'; SELECT * FROM student WHERE name LIKE '%r%'; SELECT * FROM student WHERE name LIKE '%r'; ANSWER DOWNLOAD EXAMIANS APP
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