Fault tolerance options are standardized and categorized into six levels, level 0 through level 5, known as Redundant Arrays of Inexpensive Disks (RAID). These levels offer various mixes of performance, reliability, and cost. Microsoft Windows NT Server supports RAID levels 0, 1 and 5. Windows NT Server RAID is a software – based fault tolerance [...]

The GROUP BY clause, the HAVING clause, and the aggregate functions together accomplish the goal of generating one row and one summary value per group. ANSI standard requires; Þ      Non-aggregate columns in a select_list must also be in the GROUP BY clause. Þ      Columns in a HAVING clause must return only one value. Þ      A [...]

Barcode scanners are needed for every organization. However, depending on the need of the organization, barcode scanners can be selected. With the advancements in technology, we can have scanners from 50 dollars to thousands of dollars. With the help of web, we can have a barcode scanner by comparing different products available with an online [...]

When you created the orchestration in Visual Studio, you deferred the specification of the port bindings. You will now use the BizTalk Server Administration console to specify those bindings. By using the BizTalk Server Administration console to specify the bindings, you have the flexibility to change the source of the incoming message(s) as the needs [...]

If you’re like most people,then you probably don’t read the fine print on your credit card bill.You probably noticed that the interest rate charged on purchases is different from the rate on cash advances. Sometimes the cash advance came with a low promotional fee, so it was charged at a rate such as 5.9% while [...]

.The ultimate aim of any technology is to provide comfort for man. Barcode is a technological invention that changed the way of doing routine work.It guaranteed accuracy without compromising with speed and ease of work. Barcode scanners became a need for every organisation today and infact we can say a supermarket as a supermarket if [...]

INSERT Trigger: When an INSERT trigger statement is executed, new rows are added to the trigger table and to the inserted table at the same time. The inserted table is a logical table that holds a copy of the rows that have been inserted. The inserted table can be examined by the trigger to determine [...]

Þ      Use the INNER JOIN keyword to include only the rows that satisfy the join condition. Þ      Use the CROSS JOIN keyword to include every combination of all of the rows between the tables. Þ      Use the OUTER JOIN keywords to include the rows that satisfy the join condition and the remaining rows of one [...]

Primary Key is the column or group of columns that enforce entity integrity by ensuring that each row in the table is unique. Some requirements regarding the primary key include: Every table should have a primary key. There can be only one primary key per table. The Primary key should not permit NULLs (NN) or [...]

Everyone of us know the importance of insurance. Having an insurance policy secures our family from financial crisis during emergencies. There are several insurances like life insurance, auto insurance, health insurance, disability insurance and so on.It is our choice to select one from the list.  In this unrealistic world, everyone of us have same probability [...]