What does reverse function do in SQL?

The REVERSE() function reverses a string and returns the result.

What is the use of reverse 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.

How do you reverse order 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.

What is reverse function in MySQL?

MySQL REVERSE() Function

The REVERSE() function reverses a string and returns the result.

How do I reverse a string in SQL Server?

REVERSE() Function in SQL Server

  1. This function is used to reverse the stated string.
  2. This function accepts strings as parameter.
  3. This function always returns string.
  4. This function can also take set of integers and reverse it.
  5. This function can even reverse float values.
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What is palindrome in SQL Server?

SQL Server REVERSE() function examples

A palindrome is a word that reads the same backward as forwarding e.g., madam or redivider . The following example uses the REVERSE() function and CASE expression to check if a string is a palindrome.

How check string is palindrome in SQL?

Approach is to take the string, reverse it and check whether the reversed string is equal to the original string or not. If it is equal, then it will be palindrome otherwise not.

How many tables can be join in SQL query?

Theoretically, there is no upper limit on the number of tables that can be joined using a SELECT statement. (One join condition always combines two tables!) However, the Database Engine has an implementation restriction: the maximum number of tables that can be joined in a SELECT statement is 64.

How can I reverse a string without reverse function in SQL Server?

Reverse String In SQL Server Without REVERSE Function

  1. CREATE function StringReverse(@inputstring varchar(max))
  2. returns varchar(max)
  3. AS.
  4. BEGIN.
  5. DECLARE @i int,
  6. @Result varchar(max)
  7. SET @Result=”
  8. SET @i = 1.

What is right outer join in SQL?

A right outer join is a method of combining tables. The result includes unmatched rows from only the table that is specified after the RIGHT OUTER JOIN clause. If you are joining two tables and want the result set to include unmatched rows from only one table, use a LEFT OUTER JOIN clause or a RIGHT OUTER JOIN clause.

How do I reverse a query in MySQL?

MySQL: REVERSE Function

  1. Description. The MySQL REVERSE function returns a string with the characters in reverse order.
  2. Syntax. The syntax for the REVERSE function in MySQL is: REVERSE( string ) …
  3. Note. The REVERSE function is safe to use with multi-bytes.
  4. Applies To. …
  5. Example.
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How do you flip a table in MySQL?

6 Answers. In your query the DESC stands for descending, the reverse is ascending, or: SELECT * FROM table ORDER BY column ASC; btw, if you do not specify a column, what you call “normal order” really is random unless you specify an ordering.

How do I reverse a string in SQLite?

Using a common table expression it is possible to reverse a string in SQLite. WITH reverse(i, c) AS ( values(-1, ”) UNION ALL SELECT i-1, substr(‘dlrow olleh’, i, 1) AS r FROM reverse WHERE r!= ” ) SELECT group_concat(c, ”) AS reversed FROM reverse; Returns hello world .

How does stuff work in SQL?

The STUFF function inserts a string into another string. It deletes a specified length of characters in the first string at the start position and then inserts the second string into the first string at the start position.