What Is SQL? - PowerPoint PPT Presentation

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What Is SQL?

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SQL (Structured Query language) is a standard language for the database access and their management according to American National Standards Institute. (by QATestLab) – PowerPoint PPT presentation

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Updated: 25 April 2017
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Title: What Is SQL?


1
What Is SQL?
2
SQL (Structured Query language) is a standard
language for the database access and their
management according to American National
Standards Institute. This language may be used
for searching, actualization, inserting and
deleting notes of the various kinds in the
databases.
3
  • But this does not mean that SQL cannot be
    utilized anywhere except the database itself.
    Frequently, the language is applied for working
    with the rational databases, such as
  • MySQL
  • Oracle
  • Sybase
  • Microsoft SQL, and etc.

4
The SQL language is not used only by software
vendor but software testing company too.
Performing the checking of products of different
sorts, for example, mobile application testing,
desktop programs checking, banking application
testing, the specialists also work with the
databases.
5
What Are SQL Capabilities?
  • Query execution
  • Data selection
  • Data insertion
  • Updating database entries
  • Record deleting
  • New table creation in database
  • Development of new database
  • The view creation in the base, and so on.

6
Despite SQL is a standard language, but still
there are its various versions. The main commands
remain common for all versions. But one should
not forget that the majority of programs for the
working with the SQL bases still possesses its
own extensions.
7
If an expert really wants to become a
professional in the field of software product
quality assurance, then he should obligatory get
acquainted with SQL. In this case, software
testing and e-commerce product checking will be
significantly effective.
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