SQL training in Chennai

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SQL training in Chennai

• HB Education and Consulting Services Private
  Limited

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Structured Query Language is a domain specific
language and is used to manage relational
databases and performs various operations on the
stored data. SQL is a standard database language
in relational database systems like Oracle,
MySQL, Sybase, MS Access, etc. Developed in
1970s, it is designed for manipulating and
retrieving data stored in IBM. It was introduced
for commercial usage in 1979 by VAX computers.
Professional SQL training in Chennai can train in
latest SQL technologies.
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• Applications of SQL
• Data Integration Scripts is the main application
  of SQL
• Data analysts use SQL for running Analytical
  Queries regularly
• SQL is used to Retrieve Information within
  database for transaction processing and
  analytical applications. Some of the common SQL
  elements include update, add, delete, create,
  insert, truncate and alter

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• Benefits of SQL
• SQL is easy to manage database system as there is
  no coding involved.
• SQL database follows well defined standards
  compiled by ISO and ANSI. Such standards are not
  found in non SQL databases.
• SQL is a high portable language and can be used
  in desktops, laptops, servers and mobile phones

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1. SQL can be used to communicate with the databases
   and answers are given even to complex queries
   within seconds.
2. SQL facilitates multiple data views and it can
   make a huge difference in how the database
   structure is viewed by different users.
3. SQL is used largely for altering data table and
   index structures. In addition, SQL is used to
   add, create, update and delete rows of data

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• Downsides of SQL
• SQL is a complex interface making it difficult
  for certain users to access
• Programmers do not have complete control over the
  database due to the hidden business rules
• The cost of operating certain versions of SQL
  makes it tough for programmers to access it.
• Despite the disadvantages, SQL has become a
  popular database language in the world. It is a
  standard for American National Stands Institute
  and International Organization for
  Standardization.

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