What is wrong with the following query?

select * from Orders where OrderID = (select OrderID from OrderItems where ItemQty > 50)

A production house needs a report about the sale where total sale of the day is more than $20,000. Which query should be used?

Examine the description of the STUDENTS table: STD_ID INT COURSE_ID VARCHAR (10) START_DATE DATETIME END_DATE DATETIME The aggregate functions valid on the START_DATE column are:

Which of the following objects is required by the Dataset to retrieve data from a database and to save updated data back to the database?

A company has the following departments: Marketing, Designing, production, Packing What will be the result of the following query? select * from table where department < 'marketing';

When designing a database table, how do you avoid missing column values for non-primary key columns?

Which of the following statements about SQL Server comments is false?

Which of the following is not a valid character datatype in SQL Server?

You are developing a website that has four layers. The layers are user interface (web pages), business objects, data objects, and database. You want to pass data from the database to controls on a web form. What should you do?

How you will generate a report with minimum network traffic?

Which of the following is the syntax for creating an Index?