Introduction to SQL The condition in a WHERE clause can refer to only one value. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);prints 0 10 9 5 0 10 9 5 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? Self-Join Equijoin Non-Equijoin None of these Self-Join Equijoin Non-Equijoin None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following do you need to consider when you make a table in SQL? Primary keys All of these Data types Default values Primary keys All of these Data types Default values ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the correct order of keywords for SQL SELECT statements? WHERE, FROM,SELECT FROM, WHERE, SELECT SELECT,WHERE,FROM SELECT, FROM, WHERE WHERE, FROM,SELECT FROM, WHERE, SELECT SELECT,WHERE,FROM SELECT, FROM, WHERE ANSWER DOWNLOAD EXAMIANS APP