DELETE TB1.*, TB2.*
   FROM TB1
        INNER JOIN TB2 ON TB1.PersonID = TB2.PersonID
  WHERE (TB1.PersonID)='2'

DELETE FROM TB1 WHERE PersonID = '2';
DELETE FROM TB2 WHERE PersonID = '2';

DECLARE db_cursor CURSOR FOR
SELECT name
FROM master.dbo.sysdatabases
WHERE name IN ("TB2","TB1")  -- use these databases

OPEN db_cursor
FETCH NEXT FROM db_cursor INTO @name


WHILE @@FETCH_STATUS = 0
BEGIN

       DELETE FROM @name WHERE PersonID ='2'

       FETCH NEXT FROM db_cursor INTO @name
END

CREATE PROCEDURE sp_deleteUserDetails
    @Email varchar(255)
AS
    declare @tempRegId as int
    Delete UserRegistration where Email=@Email
    set @tempRegId = (select Id from UserRegistration where Email = @Email)
    Delete UserProfile where RegID=@tempRegId

RETURN 0

DELETE t2
   FROM TB1 t1
        INNER JOIN TB2 t2 ON t1.PersonID = t2.PersonID
  WHERE t1.PersonID = '2'

DECLARE @sqlCommand VARCHAR(3000);
DECLARE @tableList TABLE(Value NVARCHAR(128));
DECLARE @TableName VARCHAR(128);
DECLARE @RecordCount INT;

-- get a cursor with a list of table names and their record counts
DECLARE MyCursor CURSOR FAST_FORWARD
FOR SELECT t.name TableName,
           i.rows Records
    FROM sysobjects t,
         sysindexes i
    WHERE
          t.xtype = 'U'              -- only User tables
          AND i.id = t.id
          AND i.indid IN(0, 1)       -- 0=Heap, 1=Clustered Index
          AND i.rows < 10            -- Filter by number of records in the table
          AND t.name LIKE 'Test_%';  -- Filter tables by name. You could also provide a list:
                                     -- AND t.name IN ('MyTable1', 'MyTable2', 'MyTable3');
                                     -- or a list of tables to exclude:
                                     -- AND t.name NOT IN ('MySpecialTable', ... );

OPEN MyCursor;

FETCH NEXT FROM MyCursor INTO @TableName, @RecordCount;

-- for each table name in the cursor, delete all records from that table:
WHILE @@FETCH_STATUS = 0
    BEGIN
        SET @sqlCommand = 'DELETE FROM ' + @TableName;
        EXEC (@sqlCommand);
        FETCH NEXT FROM MyCursor INTO @TableName, @RecordCount;
    END;

CLOSE MyCursor;
DEALLOCATE MyCursor;

DELETE TB1, TB2
    FROM customer_details
        LEFT JOIN customer_booking on TB1.cust_id = TB2.fk_cust_id
    WHERE TB1.cust_id = $id

DELETE TB1, TB2 FROM TB1 INNER JOIN TB2
WHERE TB1.PersonID = TB2.PersonID and TB1.PersonID = '2'