Can you reverse a SQL query?

Can you reverse a SQL query?

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 changes in SQL?

You can undo changes that aren’t committed to source control yet. In the Object Explorer, right-click the object, folder, or database with changes you want to undo, select Other SQL Source Control tasks > Undo changes. Alternatively, right-click an object on the Commit tab, and click Undo changes.

How does Lpad work in SQL?

The LPAD function returns a copy of source_string that is left-padded to the total number of characters specified by length. Any argument to the LPAD function must be of a built-in data type. The pad_string parameter specifies the character or characters to be used for padding the source string.

What is rollback in SQL with example?

ROLLBACK in SQL is a transactional control language that is used to undo the transactions that have not been saved in the database. The command is only been used to undo changes since the last COMMIT. Example: Consider the following STAFF table with records: STAFF.

What is palindrome in SQL?

In PL/SQL code, some group of commands are arranged within a block of related declaration of statements. A number is palindrome if the number, and the reverse of that number are same. Suppose a number 12321, this is palindrome, but 12345 is not a palindrome.

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

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 the ROLLBACK command in SQL?

ROLLBACK is a transactional control language in SQL. It lets a user undo those transactions that aren’t saved yet in the database. One can make use of this command if they wish to undo any changes or alterations since the execution of the last COMMIT.

What is ROLLBACK in SQL with example?

What is Lpad in SQL with example?

The Oracle LPAD() function is used to padding the left side of a string with a specific set of characters. The function is useful for formatting the output of a query….Parameters: