How do you reverse a string in SQL?
The REVERSE() function accepts a string argument and returns the reverse order of that string. The following shows the syntax of the REVERSE() function. The input_string is a character string expression. Otherwise, you must use CAST to explicitly convert the input string to VARCHAR .
How can I reverse a string without reverse in SQL?
Reverse String In SQL Server Without REVERSE Function
- CREATE function StringReverse(@inputstring varchar(max))
- returns varchar(max)
- AS.
- BEGIN.
- DECLARE @i int,
- @Result varchar(max)
- SET @Result=”
- SET @i = 1.
Is SQL server 2005 still supported?
After 10 great years, extended support for all versions of SQL Server 2005 is coming to an end on April 12, 2016. While SQL Server 2005 instances will continue to run, after the end of support date Microsoft will no longer provide hotfixes or security updates.
How do you reverse a number in SQL?
Declare num number:=&n rev number:=0; Begin while(num>0) Loop rev=rev*10+mod(num,10); num=num/10; End loop; Dbms_Output.
How do I reverse the order of data in SQL?
The SQL ORDER BY Keyword The ORDER BY keyword is used to sort the result-set in ascending or descending order. The ORDER BY keyword sorts the records in ascending order by default. To sort the records in descending order, use the DESC keyword.
How do I reverse the order of a name in SQL?
SQL REVERSE() function is used for reversing the string. It accepts a string of characters as an argument and returns the reverse order of the string. The REVERSE is one of the SQL String Functions, which is used to reverse the specified expression. The REVERSE() function reverses a string and returns the result.
What is rollback in SQL?
In SQL, ROLLBACK is a command that causes all data changes since the last BEGIN WORK , or START TRANSACTION to be discarded by the relational database management systems (RDBMS), so that the state of the data is “rolled back” to the way it was before those changes were made.
How do you find a string in SQL?
How to Find a String within a String in SQL Server. In SQL Server, you can use the T-SQL CHARINDEX() function or the PATINDEX() function to find a string within another string.
How do you find the length of a string in SQL?
Well, you can use the LEN() function to find the length of a String value in SQL Server, for example, LEN(emp_name) will give you the length of values stored in the column emp_name.
What is right string in SQL?
Definition and Usage. The RIGHT () function extracts a number of characters from a string (starting from right).
What is reverse in SQL?
Term: REVERSE. Definition: In Oracle PL/SQL, REVERSE can be used as a SQL function and also as a keyword to create a REVERSE key index. 1. As a SQL Function. REVERSE is an undocumented Oracle string function, which returns the input string in its reverse order.