Convert date format in sql

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  • Date functions in sql with examples

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    Problem

    You’d like to display a date value in another format in SQL Server.

    Example

    Our database has a table named with data in the columns (primary key), , and .

    idnamestart_date
    1Lisa Bank2019-01-20
    2Credit Financial Institute2018-03-14
    3Williams Holding2019-10-28

    For each company, let’s convert their start date to a new format, , where is a 4-digit year, is a 2-digit month, and is a 2-digit day.

    Solution 1

    We’ll use the function.

    Here’s the query you’d write:

    SELECT CONVERT(NVARCHAR, start_date, 111) AS new_date FROM company;

    Here is the result:

    namestart_date
    Lisa Bank2019/01/20
    Credit Financial Institute2018/03/14
    Williams Holding2019/10/28

    Discussion

    Use the function to change the format of a date from a given column or expression.

    This function takes three arguments:

    1. The new data type (in our example, ).
    2. An expression or column name containing the date to format (in our example, the column).
    3. An optional style code, as an integer.

      (In our example, the style displays the date using slashes to separat

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