SQL developer, PL/SQL developer, Recruiters, Database 1 min read 10.23.2019

Manual for IT Recruiters - IV. What databases are used for

You may often encounter terms such as SQL developer, PL/SQL developer, database specialist but may not know what these terms imply. Let’s look at this in today’s part of the Manual for IT Recruiters.

You may often encounter terms such as SQL developer, PL/SQL developer, database specialist but may not know what these terms imply. Let’s look at this in today’s part of the Manual for IT Recruiters.

Almost all apps or pieces of software use a large amount of data, and this data must be stored somewhere – in a database. Imagine, e.g., an online store which displays thousands of products, or an accounting system where all a particular company’s accounts and documents are administered. Without a database, we wouldn’t have anywhere to save data to, and so would be unable to work with it. Databases usually comprise a number of tables, which are linked to each other in various ways. Look at the example below:


 

The entire database comprises 9 tables, linked to each other in various ways, or having various relations.


Database types

There are a large number of types of database, of which the most well-known and most used include:

  • MySQL
  • MSSQL
  • MSSQL Server
  • PL/SQL
  • Oracle db
  • PostgreSQL

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Jiri Matousek, Head of CRM at Hexal AG Jiri Matousek, Head of CRM at Hexal AG
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Hiremotely provided us with a top PHP developer who has been working for us for more than 4 years. Jan became indispensable part of our team within few weeks.

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