Database.Guide – Page 374

How the POSITION() Function Works in MySQL

November 19, 2019April 7, 2019 by Ian

In MySQL, the POSITION() function returns the position of the first occurrence of a substring within the string.

This function is actually a synonym for LOCATE(), but with a slightly different syntax. The LOCATE() function also has extra functionality, in that it allows you to define a starting position fro your search.

How the OCTET_LENGTH() Function Works in MySQL

November 19, 2019April 7, 2019 by Ian

In MySQL, the OCTET_LENGTH() function returns the length of a string, measured in bytes.

This function is actually a synonym of LENGTH().

How the OCT() Function Works in MySQL

November 19, 2019April 2, 2019 by Ian

In MySQL, the OCT() function is used for converting from decimal to octal.

More precisely, it returns a string representation of the octal value of its argument.

How The SUBSTR() Function Works in MySQL

February 14, 2020March 14, 2019 by Ian

In MySQL, the SUBSTR() function returns a substring starting from the specified position.

Both SUBSTR() and MID() are synonyms of SUBSTRING().

How the MID() Function Works in MySQL

February 14, 2020February 28, 2019 by Ian

In MySQL, the MID() function returns a substring starting from the specified position.

Both MID() and SUBSTR() are synonyms of SUBSTRING().

How the MAKE_SET() Function Works in MySQL

November 19, 2019February 19, 2019 by Ian

In MySQL, the MAKE_SET() function returns a set value (a string containing substrings separated by , characters) consisting of the characters specified as arguments when you call the function.

When you call the function, you specify any number of strings (separated by a comma), as well as one or more bit values that determine which strings to return in the set value.

How the RTRIM() Function Works in MySQL

November 19, 2019January 31, 2019 by Ian

In MySQL, the RTRIM() function trims whitespace from the right-hand side of a string.

How the LTRIM() Function Works in MySQL

November 19, 2019January 26, 2019 by Ian

In MySQL, the LTRIM() function trims whitespace from the beginning of a string.

How the RPAD() Function Works in MySQL

November 19, 2019January 25, 2019 by Ian

In MySQL, the RPAD() function allows you to pad the right part of a string with one or more characters.

The way it works is, you specify the string to pad, the length of the padding, as well as the string of characters to use for the padding.

How the LPAD() Function Works in MySQL

November 19, 2019January 24, 2019 by Ian

In MySQL, the LPAD() function allows you to pad the left part of a string with one or more characters.

The way it works is, you specify the string to pad, the length of the padding, as well as the string of characters to use for the padding.