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What is Sql?

Discussion in 'Databases' started by jesslee, Jul 21, 2014.

  1. jesslee

    jesslee Member

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    What we mean by sql and why we use it in databases.
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  2. Ajay52

    Ajay52 Member

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    SQL is a programming language designed for managing data held in a relational database management system.
  3. Bharti Mahour

    Bharti Mahour Member

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    SQL stands for Structured Query Language and it is used to communicate with a database.
  4. Shagun

    Shagun Member

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    SQL is a special-purpose programming language designed for managing data held in a relational database management system.
    SQL consists of a data definition language and a data manipulation language. The scope of SQL includes data insert, query, update and delete, schema creation and modification, and data access control
  5. marclewis

    marclewis Member

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    Structured query language is used to communicate with a database and SQL statements are used to perform tasks (such as update data or retrieve from database).
  6. apdesignsonline

    apdesignsonline Member

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    SQL refers to Structured Query Language. It is a language to communicate with the database so that data are retrieved easily.
  7. sanamgupta

    sanamgupta New Member

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    structured Query language means SQL is the only way to communicate with the database and get back you values.
  8. msankar

    msankar New Member

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    SQL is a special-purpose programming language designed for managing data in a relational database, and is used by a huge number of apps and organizations. Watch this Video to learn basics of SQL.

    This Video covers below topics about SQL.

    0:01 What is SQL?
    2:07 Creating a Table and Inserting Data
    5:52 Querying The Table
    8:03 Aggregating Data
    11:24 Queries with AND OR
    15:59 Querying IN subqueries
    21:22 Restricting Grouped Results with HAVING
    25:52 Calculating results with CASE
    31:51 JOINing tables
    37:15 Joining related tables with left outer joins
    41:21 Changing Rows with UPDATE and DELETE
    45:54 ALTERing tables after creation
    49:51 Joining tables to themselves with self joins
    53:50 Combining multiple joins

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