Web Programming Tutorial

How do database indexes work? And, how do indexes help? Provide a tutorial on database indexes. Let’s start out our tutorial and explanation of why you would need a database index by going through a very simple example. Suppose that we have a database table called Employee with three columns – Employee_Name, Employee_Age, and Employee_Address. Assume that the Employee table has thousands of rows. Now, let’s say that we want to run a query to find all the details of any employees who are named ‘Jesus’? So, we decide to run a simple query like this: SELECT * FROM Employee WHERE Employee_Name = 'Jesus' What would happen without an index on the table? Once we run that query, what exactly goes on behind the scenes to find employees who are named Jesus? Well, the database software would literally have to look at every single row in the Employee table to see if the Employee_Name for that row is ‘Jesus’. And, because we want every row with the name ‘Jesus’ inside it, w...

Since there are a huge number of online organizations which just acknowledge Paypal as installment passage. Thusly I am going to demonstrate to you how you can make Paypal record in Pakistan and in what manner would you be able to check it ! It is an unlawful trap however you can utilize it for crisis purposes. Instructions to make and confirm Paypal record in Pakistan  Simply take after the regulated guide underneath to get your Verified Paypal Account. You will additionally get Virtual Bank Account in USA and  1 Master  Debit Card free of charge You will have the capacity to utilize that check card to cashout your trusts through Paypal from any ATM Machine. Go to  Paypal,  Sign up and Choose your nation as United States of America. Use  Fake USA Address,  But other all data ought to be 100% right. When you information exchange, confirm your email and login to your Paypal record. Presently you have your Paypal record, now is the rig...

1) From the Windows taskbar, click  Start  >  Run  (or press the Windows   and  R  keys on your keyboard at the same time). 2) In the  Run  window, type the following command (including the quotes) and press OK : For 32-bit operating systems: "C:\Program Files\Skype\Phone\Skype.exe" /secondary For 64-bit operating systems: "C:\Program Files (x86)\Skype\Phone\Skype.exe" /secondary If you get an error message, copy and paste the exact command from this page and try again. 1) Find the  Skype.exe  file in  C:\Program Files\Skype\Phone\  if you’re running a 32-bit operating system. If you’re running 64-bit operating system, you can find the file in  C:\Program Files (x86)\Skype\Phone\ . Right-click the file and select  Send to  >  Desktop (create shortcut) . Locate the shortcut on your desktop, then right-click it and select  Properties . In the  Target  field...