Introduction to SQL Which of the SQL statements is correct? SELECT Username, Password FROM Users SELECT Username, Password WHERE Username = 'user1' None of these SELECT Username AND Password FROM Users SELECT Username, Password FROM Users SELECT Username, Password WHERE Username = 'user1' None of these SELECT Username AND Password FROM Users 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: all columns of the table are to be returned. all records meeting the full criteria are to be returned. None of these all records with even partial criteria met are to be returned. all columns of the table are to be returned. all records meeting the full criteria are to be returned. None of these all records with even partial criteria met are to be returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query is correct for using comparison operators in SQL? SELECT name, course_name FROM student WHERE age>50 and <80; None of these SELECT name, course_name FROM student WHERE age>50 and age <80; SELECT name, course_name FROM student WHERE age>50 and WHERE age<80; SELECT name, course_name FROM student WHERE age>50 and <80; None of these SELECT name, course_name FROM student WHERE age>50 and age <80; SELECT name, course_name FROM student WHERE age>50 and WHERE age<80; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A view is which of the following? A virtual table that cannot be accessed via SQL commands A base table that can be accessed via SQL commands A virtual table that can be accessed via SQL commands A base table that cannot be accessed via SQL commands A virtual table that cannot be accessed via SQL commands A base table that can be accessed via SQL commands A virtual table that can be accessed via SQL commands A base table that cannot be accessed via SQL commands ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following command makes the updates performed by the transaction permanent in the database? DELETE ROLLBACK COMMIT TRUNCATE DELETE ROLLBACK COMMIT TRUNCATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is a programming language. True False True False ANSWER DOWNLOAD EXAMIANS APP
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