How do you check if a number is even or odd in MySQL?

How do you check whether a number is even or odd in MySQL?

Syntax. To find and return the records with the odd or even values, the most simple way is to check the remainder when we divide the column value by 2. When the remainder is 0, that’s an even number, otherwise, that’s an odd number.

How do you check if a number is even or odd?

If a number is evenly divisible by 2 with no remainder, then it is even. You can calculate the remainder with the modulo operator % like this num % 2 == 0 . If a number divided by 2 leaves a remainder of 1, then the number is odd. You can check for this using num % 2 == 1 .

How do you show odd numbers in SQL?

Write a subquery with an ORDER BY clause. Along with the data columns, select the pseudocolumn rownum with an alias, say rn. In the outer query, reference the alias rn and use the mod function to get odd rows or even rows.

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How do I count the number of rows in SQL?

The COUNT() function returns the number of rows that matches a specified criteria.

  1. SQL COUNT(column_name) Syntax. The COUNT(column_name) function returns the number of values (NULL values will not be counted) of the specified column: …
  2. SQL COUNT(*) Syntax. …
  3. SQL COUNT(DISTINCT column_name) Syntax.

How do I find the shortest and longest name in SQL?

“how to find shortest and longest name in sql” Code Answer

  1. # IN the example below, “CITY” is the filed, “STATION” is the Table.
  2. (SELECT CITY, LENGTH(CITY)
  3. FROM STATION.
  4. ORDER BY LENGTH(CITY) ASC, CITY ASC LIMIT 1)
  5. UNION.
  6. (SELECT CITY, LENGTH(CITY)
  7. FROM STATION.
  8. ORDER BY.

Is 0 an odd or even number?

So what is it – odd, even or neither? For mathematicians the answer is easy: zero is an even number. … Because any number that can be divided by two to create another whole number is even. Zero passes this test because if you halve zero you get zero.

How do you tell if a number is odd or even in C++?

To check whether an integer is even or odd, the remainder is calculated when it is divided by 2 using modulus operator %. If the remainder is zero, that integer is even if not that integer is odd.

How do I get the first row and last row in SQL?

To get the first and last record, use UNION. LIMIT is also used to get the number of records you want.

What is upper in SQL query?

In SQL Server (Transact-SQL), the UPPER function converts all letters in the specified string to uppercase.

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How do I get remainder in SQL?

SQL MOD() function is used to get the remainder from a division. The SQL DISTINCT command along with the SQL MOD() function is used to retrieve only unique records depending on the specified column or expression.