COMPUTER SCIENCE AND ENGINEERING
SQL
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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mysql
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Detailed explanation-1: -SELECT *FROM yourTableName ORDER BY RIGHT(yourColumnName, 3) yourSortingOrder; Just replace the ‘yourSortingOrder’ to ASC or DESC to set the ascending or descending order respectively.
Detailed explanation-2: -To fetch the first alphabet from the strings, use LEFT(). This method allows you to return characters from the left of the string.
Detailed explanation-3: -The SUBSTRING() function extracts a substring from a string (starting at any position). Note: The SUBSTR() and MID() functions equals to the SUBSTRING() function.
Detailed explanation-4: -SUBSTRING() function in MySQL function in MySQL is used to derive substring from any given string . It extracts a string with a specified length, starting from a given location in an input string. The purpose of substring is to return a specific portion of the string.