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

How do you check if a function is even or odd in PL SQL?

PL/SQL Program to Check Number is Odd or Even

  1. declare.
  2. n number:=&n;
  3. begin.
  4. if mod(n,2)=0.
  5. then.
  6. dbms_output.put_line(‘number is even’);
  7. else.
  8. dbms_output.put_line(‘number is odd’);

How do you determine if a number is even or odd in Oracle?

Selecting ODD or EVEN rows from a table

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

How do you check if a number is even in mysql?

If you are evaluating rational numbers as EVEN or ODD, the MOD function could be used. The MOD(x, y) function returns the remainder of X divided by Y. We can simply use this function to determine if a value is EVEN or ODD by passing the number to evaluate as X and 2 as Y.

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How do I run a PL SQL program?

Text Editor

  1. Type your code in a text editor, like Notepad, Notepad+, or EditPlus, etc.
  2. Save the file with the . sql extension in the home directory.
  3. Launch the SQL*Plus command prompt from the directory where you created your PL/SQL file.
  4. Type @file_name at the SQL*Plus command prompt to execute your program.

What is MOD function 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. Syntax: MOD( dividend, divider ) PostgreSQL and Oracle.

How do you check if a number is even in SQL?

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 I retrieve alternate rows in SQL?

How to get the alternate rows or records from table in sql server

  1. ;WITH PRS (Name, Gender, R)
  2. AS.
  3. SELECT NAME, GENDER, ROW_NUMBER() OVER(PARTITION BY GENDER ORDER BY GENDER) AS R.
  4. FROM #PERSON.
  5. SELECT NAME, GENDER FROM PRS ORDER BY R, GENDER DESC.

What is the difference between char and VarChar2?

Hence it is advised to use Char datatype when the length of the character string is fixed and will not change in the future. If the length of the character string is not fixed, then VarChar2 is preferred.

Difference between char, varchar and VARCHAR2 in Oracle.

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Sno Char VarChar/VarChar2
1 Char stands for “Character” VarChar/VarChar2 stands for Variable Character

What is upper in SQL query?

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

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.

How do you do not in SQL?

Overview. The SQL Server NOT IN operator is used to replace a group of arguments using the <> (or !=) operator that are combined with an AND. It can make code easier to read and understand for SELECT, UPDATE or DELETE SQL commands.

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 difference between two columns in SQL?

To calculate the difference between two dates in different columns, we use the two columns createdDate and LastLogin of the registration table and apply the DATEDIFF function on these columns. To find the difference between the two dates in different columns, we need two dates from the different columns.