SQL Server, often pronounced “Sequel Server,” is not a bad sequel to a movie that is already bad. Far from it: it is a robust system that can use in organizations of all sizes, from small companies to large companies.

With the improvement in database technology, the world is more connected through websites and applications. Database management or DBMS as a career option has flourished in recent years due to these developments.

Database administration can be complicated, but structured query language (SQL) eases the learning curve and makes everyday tasks easier. Administrators use SQL to process and query information in database systems. Individuals working toward certification in IT Service Management (ITSM) regularly work with SQL.

SQL Server is Microsoft’s relational database management system. The keyword here is a system; The function of the system is to administer several databases. It also provides several tools that you can use to create, modify, and manage your data. There are also tools for creating reports, importing/exporting data, and analyzing data.

History

Sybase and Microsoft released version 1.0 in 1989. The partnership between the two companies collapsed in the early 1990s, but Microsoft retained the rights to the SQL Server name. Later versions include SQL Server 2000, 2005, 2008, 2012, 2014, and 2016.

SQL Server Products

There are different flavors of SQL Server that offer different functionality depending on the user’s needs. These products, also called editions, include:

  • Enterprise – designed for large companies with complex data needs
  • Standard: useful for departments within organizations
  • Workgroup: contains a report module to synchronize data remotely
  • Developer – One-way installation for developing and testing applications
  • Web: for small businesses that want to create web applications
  • Express: a free edition for learning and education
  • Compact – Another free option for standalone applications
  • Evaluation: A trial version that is only valid for a short time.

Why use a Database?

Now that we know that SQL Server is an application for storing information in a “table” structure let’s examine the reasons you would use a database instead of a table or some other program to store data.

database

For example, assume you are constructing an application to store sales transactions. To begin with, let’s save a few columns of information, e.g., The item sold, the quantity, the price, the sale date, and the customer sold to. One of the first storing options to consider is to save this information in a large text file. Saving text files has advantages such as fast writing times.

The problem with text files is that while reading, it can take some time to open and scan the contents of the data to look for what we want. If we’re going to see all sales to a specific customer, we have to read the full-text file, and each line occurrence of the customer name has to temporarily saved until we have all of them.

If we were to keep to a table instead of a text file, we would have a built-in sort function. It made it easier for us to find all sales to a specific customer, but again it could take a long time to open the spreadsheet if the file was extensive.

More About SQL Server Database

What if we wanted to save the customer’s address and name, instead of now saving five data (item sold, quantity, price, date of sale and customer sales), we collect nine columns of information (all of the above plus address, city, state, and zip code). It meant that we would almost double the size of our text file or spreadsheet to accommodate that additional customer data. However, if we used a database, we can store the sales data and the customer address data in two different places so that the sales data does not increase. If we want a report with the customer’s address, we can link or link the address data with the sales data.

Our sales information in a database would not only be smaller, but the actual address data would also be more modest. In a table or text file, each sales line would contain a complete address. The address would only be recorded once in a database. It doesn’t matter if the client has made 100 or 100,000 purchases. All sales documents refer to or are related to the same single address line.

This “mining” of data to keep it small is an advantage of a database. Also, reading and writing to the database are high-speed. Also, many databases support multiple users who have simultaneous access to the same data. Something that text files and tables don’t do. Also, there is nearly no limit to the amount or volume of information a database can store. Unlike a table, which can store a fixed number of rows.

If you are considering a career in this field, it is best to check out Microsoft SQL certification. It can help you upgrade your skill or can help you get started.

Why not use a Database?

There are few problems with using a database. First of all, time must be needed to learn the new system. A Database is not as in-built as a table. If there is just a small amount of data that doesn’t need to change over time, it is likely easier to keep it to a file. Unfortunately, most business problems are not comfortable or small, which is why a database is often the best tool for the job.

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