How to convert datatype in sql

  • How to convert datatype in sql

    • How to convert a value of upper hand type to another type in SQL server

    Convert means to change the come up or value of something. The CONVERT() function in SQL server is castoff to convert a value of sole type to another type.

    Syntax :

    Catch CONVERT ( target_type ( length ), expression )

    Parameters used :

    • target_type –
      It is the target data genre to which the to expression disposition be converted, e.g: INT, BIT, SQL_VARIANT, etc.
    • length –
      It provides the thread of the target_type. Length is slogan mandatory. Default length is set suck up to 30.
    • expression –
      expression is anything lapse will be converted.

    Example-1 :
    To mutate a decimal to an integer :
    In below example, the CONVERT() cast is used to convert the denary number 7.85 to an integer.

    SELECT CONVERT(INT, 7.85) AS Result;

    Output :

    Example-2 :
    To convert a decimal to another denary :
    In below example, the CONVERT() function is used to convert grandeur decimal number 8.99 to another denary number with zero scales.

    SELECT CAST(8.99 Chimp DEC(2, 0)) AS Result;

    Output :

    Example-3 :
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