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How CRC32 Works in MariaDB

June 15, 2021 by Ian

In MariaDB, CRC32() is a built-in numeric function that computes a cyclic redundancy check value and returns a 32-bit unsigned value.

CRC32 is a popular checksum algorithm used to detect data corruption.

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Categories MariaDB Tags functions, numeric functions, what is

2 Ways to Get a Document’s Size in MongoDB

June 14, 2021 by Ian

If you need to return the size of a document in MongoDB, you can use the following:

  • The $bsonSize aggregation pipeline operator
  • The Object.bsonSize() method

Below are examples of each approach.

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Categories MongoDB Tags aggregation, how to, methods, operators

How LOG10() Works in MariaDB

June 14, 2021 by Ian

In MariaDB, LOG10() is a built-in function that returns the base-10 logarithm of its argument.

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Categories MariaDB Tags functions, numeric functions, what is

How LOG2() Works in MariaDB

June 14, 2021 by Ian

In MariaDB, LOG2() is a built-in function that returns the base-2 logarithm of its argument.

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Categories MariaDB Tags functions, numeric functions, what is

How TRUNCATE() Works in MariaDB

June 13, 2021 by Ian

In MariaDB, TRUNCATE() is a built-in numeric function that returns a given number, truncated to a given number of decimal places.

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Categories MariaDB Tags functions, numeric functions, what is

How DIV Works in MariaDB

June 13, 2021 by Ian

In MariaDB, DIV performs integer division.

It discards from the division result any fractional part to the right of the decimal point.

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Categories MariaDB Tags operators, what is

How ABS() Works in MariaDB

June 13, 2021 by Ian

In MariaDB, ABS() is a built-in numeric function that returns the absolute (non-negative) value of its argument.

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Categories MariaDB Tags functions, numeric functions, what is

8 Ways to Add Microseconds to a Datetime Value in MariaDB

June 12, 2021 by Ian

If you need to add one or more microseconds to a datetime value in MariaDB, here are 8 options to consider.

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Categories MariaDB Tags dates, how to

How ROUND() Works in MariaDB

June 13, 2021June 12, 2021 by Ian

In MariaDB, ROUND() is a built-in numeric function that rounds its argument to a given number of decimal places.

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Categories MariaDB Tags functions, numeric functions, what is

How ASIN() Works in MariaDB

June 12, 2021 by Ian

In MariaDB, ASIN() is a built-in numeric function that returns the arcsine (inverse sine) of its argument.

In other words, it returns the value whose sine is the argument.

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Categories MariaDB Tags functions, numeric functions, what is
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