Introduction to SQL Which SQL statement is used to delete data FROM a database? COLLAPSE ALTER REMOVE DELETE COLLAPSE ALTER REMOVE DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: CAPITAL LETTERS. braces -- {...}. brackets -- [...]. parenthesis -- (...) . CAPITAL LETTERS. braces -- {...}. brackets -- [...]. parenthesis -- (...) . ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total. True False True False 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 Which of the following query is correct for using comparison operators in SQL? SELECT name, course_name FROM student WHERE age>50 and WHERE age<80; None of these SELECT name, course_name FROM student WHERE age>50 and <80; 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; None of these SELECT name, course_name FROM student WHERE age>50 and <80; SELECT name, course_name FROM student WHERE age>50 and age <80; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes can usually be created for both primary and secondary keys. True False True False ANSWER DOWNLOAD EXAMIANS APP