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21 followers study24x7 03 Nov 2020 11:23 AM study24x7 study24x7

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21 followers study24x7 06 Dec 2019 03:28 PM study24x7 study24x7

Q. What is BLOB and TEXT in MySQL......? β˜› BLOB is an acronym stands for a large binary object. It is used to hold a variable amount of data. There are four types of the BLOB. ✨ TINYBLOB ✨ BLOB ✨ MEDIUMBLOB ✨ LONGBLOB The differences among all these are the maxi...

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21 followers study24x7 04 Dec 2019 07:28 PM study24x7 study24x7
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21 followers study24x7 04 Dec 2019 06:59 PM study24x7 study24x7

How many columns can you create for an index?

A

16

B

3306

C

100

D

All

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  • DBA Consultant
  • MySQL can create composite indexes (that is, indexes on multiple columns). An index may consist of up to 16 columns
    21 followers study24x7 04 Dec 2019 06:31 PM study24x7 study24x7

    In which language MySQL has been written......? MySQL is written in C and C++, and its SQL parser is written in yacc.

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    21 followers study24x7 31 Aug 2019 09:16 AM study24x7 study24x7

    BBQSQL

    BBQSQL
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    21 followers study24x7 19 Jun 2019 11:02 AM study24x7 study24x7

    You can add a row using SQL in a database with which of the following?

    A

    ADD

    B

    CREATE

    C

    INSERT

    D

    MAKE

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    21 followers study24x7 01 Jun 2019 02:06 PM study24x7 study24x7

    What type of join is needed when you wish to include rows that do not have matching values?

    A

    Equi-join

    B

    Natural join

    C

    Outer join

    D

    All of the above.

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    21 followers study24x7 01 Jun 2019 02:03 PM study24x7 study24x7

    The keyword "inverse" is used in which of the following?

    A

    Class

    B

    Attribute

    C

    Relationship

    D

    All of the above.

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