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Write different between CHAR and VARCHAR …

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Write different between CHAR and VARCHAR data type

    • Posted by Balaram Tamili 3 years, 11 months ago

    CBSE > Class 12 > Informatics Practices
    • 2 answers

    Balaram Tamili 3 years, 10 months ago

    I'm thankful to you

    0Thank You

    Gaurav Seth 3 years, 11 months ago

    CHAR Data Type

    VARCHAR Data Type
    Its full name is CHARACTER Its full name is VARIABLE CHARACTER
    It stores values in fixed lengths and are padded with space characters to match the specified length VARCHAR stores values in variable length along with 1-byte or 2-byte length prefix and are not padded with any characters
    It can hold a maximum of 255 characters. It can hold a maximum of 65,535 characters.
    It uses static memory allocation. <pre> mysql>create table emp(name CHAR(20)); Query OK, 0 rows affected (0.25</pre> It uses dynamic memory allocation. <pre> mysql>create table emp1(name VARCHAR(20)); Query OK, 0 rows affected (0.21</pre>

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