SQL training in Chennai - PowerPoint PPT Presentation

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SQL training in Chennai

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SQL is a query language that helps retrieving large amount of records from databases in a quick manner. It is used to manage database structures. – PowerPoint PPT presentation

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Title: SQL training in Chennai


1
SQL training in Chennai
HB Education and Consulting Services Private
Limited
2
  • Defining SQL
  • Structured Query Language facilitates
    communication with relational databases to
    retrieve data from tables. SQL is pronounced as
    Sequel and it is developed at IBM. It was called
    Structured English Query Language. It was later
    shortened as SQL. The RDBMS model was implemented
    by vendors like Microsoft, Oracle, MySQL,
    Postgres and more. The SQL is a language used by
    vendors to access and manipulate databases.

3
  • Types of SQL Statements
  • Data Manipulation Language statements are used to
    manage data within schema objects like
  • SELECT
  • INSERT
  • UPDATE
  • DELETE

Data definition language statements are basically
for defining data structures or schema like
  • CREATE
  • DROP

Data Control Language statements are like
  • GRANT to grant privileges
  • REVOKE to access privileges

4
  • More on SQL
  • SQL is a language to communicate with RDBMS. The
    vendor use SQL similar command but in certain
    cases the command may differ. There are various
    categories and each are responsible for
    different aspects. The language categories differ
    and each have different aspect. Some of the
    data types available are MSSQL Server with basic
    columns like Money, Varchar and Date.

5
  • Function queries involve manipulating functions
    in a statement to get desired information from
    the database. The queries are divided into broad
    categories like
  • Aggregate function queries
  • Scalar function queries

SQL joins are used to query data from two or more
tables having relationship between particular
columns in the tables. It can be divided into
Outer Join and Inner Join. The former is
divided into Left, right and full join.
6
  • For those who want to launch a career in SQL it
    is important to choose the right center that
    offers SQL Training in Chennai. The SQL server
    certification is recognized and respected
    across the globe. It is not obtained easily and
    it demonstrates proficiency in the subject. The
    certification is difficult to crack and need
    exposure to latest trends offered by a
    professional training center.

7
  • HB Education and Consulting Services Private
    Limited
  • CONTACT US
  • M 91-96771 67119
  • T 91-44-4211 5338
  • E education_at_hbservices.in
  • Visit us http//www.hbservices.in
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