Which level of data abstraction describes the data that is stored in the database and their corresponding relationships?

Which of the following is not an Aggregate function?

Consider the following query: Select name from employees where name like '%_n_' Which names will be displayed?

You want to select a row using cursors in the table 'qlist'. Which of the following statements DECLARES a cursor 'qselect' to perform the desired operation?

Which query will be used for a particular column of a table, if 'Reading' is to be replaced by 'Writing'?

How is the following query incorrect? select * from Orders where OrderID = (select OrderID from OrderItems where ItemQty > 50)

All Database Backup/Restore Related information stored in which system database?

A relationship that identifies that a column contains primary key values from another table is referred as what?

'SELECT name FROM t1 UNION SELECT name FROM t2 ' is the same as 'SELECT DISTINCT name FROM t1 UNION ALL SELECT DISTINCT name FROM t2'

Which of the following is NOT an aggregate function in SQL Server?

'SELECT UNIQUE city FROM customers' will return what data set?