# Check if a number is Palindrome in PL/SQL

Given an integer, write a function that returns true if the given number is palindrome, else false. For example, 12321 is palindrome, but 1451 is not palindrome.

Let the given number be num. A simple method for this problem is to first reverse digits of num, then compare the reverse of num with num. If both are same, then return true, else false.

Examples:

```Input : 12221
Output : true

Input : 12345
Output : false
```

Below is the required implementation:

 `declare` ` `  `-- declare variable n, m, temp  ` `-- and temp of datatype number ` `    ``n number; ` `    ``m number; ` `    ``temp` `number:=0; ` `    ``rem number; ` `  `  `begin` `    ``n:=5432112345; ` `    ``m:=n; ` `     `  `    ``-- while loop with condition till n>0 ` `    ``while n>0 ` `    ``loop ` `        ``rem:=mod(n,10); ` `        ``temp``:=(``temp``*10)+rem; ` `        ``n:=trunc(n/10); ` `    ``end` `loop; ``-- end of while loop here ` `     `  `    ``if m = ``temp` `    ``then` `        ``dbms_output.put_line(``'true'``); ` `    ``else` `        ``dbms_output.put_line(``'false'``); ` `    ``end` `if; ` `end``; ` `/ ` ` `  `-- Program End `

Output:

`true`
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