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MYSQL

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  1. The BIGINT precision is of bit _________










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    In MySQL, for the expressions containing only exact values that are all integers, the evaluation uses BIGINT (64 – bit) precision. MySQL evaluates expressions using exact/approximate math.

  1. Numbers prefixed with ‘0x’ are in base __________.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    In MySQL, there are many numeric datatypes. They include integers and floating points. For example, 34, 12.3, -1.3E11. The numbers that are prefixed with ‘0x’ are in hexadecimal.

  1. Hexadecimal numbers cannot be used in scientific notation.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    The scientific notation for real numbers is possible in MySQL. Approximate values are represented as floating point numbers in scientific notation. It consists of a mantissa and exponent.

  1. The mantissa in -1.58E5 is __________










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    In MySQL, the scientific notation for real numbers is possible. Some values are represented as floating point numbers in scientific notation consisting of a mantissa and exponent.

  1. If a string is to be converted to a number, it is converted into a _____________.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    When there is a need to convert a string to a number to evaluate an expression, it is first converted to a double precision floating point value. Then, it can be used to do arithmetic.