A single Oracle block can contain lines of two or more than two tables?

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  CREATE TABLE A (
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      TYPE B_Table_Type IS TABLE OF b%ROWTYPE ;
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        x := x + 1 ;
        IF ( t < my_B_Table.COUNT ) THEN
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          SELECT XMLElement( "A" , XMLAttributes( my_A_Table(t).C AS "ID" ) )
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  -----
  
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  --
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  Hello

  I see two problems here:

  (1) lack of parentheses around SELECT it and closing XMLAgg:

  SELECT XMLAgg( ( SELECT * FROM TABLE( my_XML_Table ) ) ) INTO my_Return_XML FROM dual ;
  

  (2) you cannot use the TABLE function with a type declared for PL/SQL. You must create a SQL type and declare a collection of this type.
  Alternatively, you can use SYS. XMLSEQUENCETYPE (varray of XMLType).

  Anyway, is there a simpler approach?
  For example, using a single SELECT statement:

  SQL*Plus: Release 10.1.0.4.2 - Production on Mar. Mars 30 11:32:08 2010
  
  Copyright (c) 1982, 2005, Oracle.  All rights reserved.
  
  Connecté à :
  Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
  With the Partitioning, OLAP, Data Mining and Real Application Testing options
  
  SQL> CREATE TABLE A (
    2    PK_A NUMBER ,
    3    FK     NUMBER ,
    4    C       VARCHAR2(100) ,
    5    D       VARCHAR2(100)
    6  ) ;
  
  Table créée.
  
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    2    PK_B NUMBER ,
    3    FK     NUMBER ,
    4    E       VARCHAR2(100) ,
    5    F       VARCHAR2(100)
    6  ) ;
  
  Table créée.
  
  SQL> INSERT INTO a
    2  SELECT level, '1', 'A:VALUE '||to_char(level,'fm09'), 'A:VALUE '||to_char(level,'fm09')
    3  FROM dual
    4  CONNECT BY level <= 10;
  
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  SQL> INSERT INTO b
    2  SELECT level, '1', 'B:VALUE '||to_char(level,'fm09'), 'B:VALUE '||to_char(level,'fm09')
    3  FROM dual
    4  CONNECT BY level <= 11;
  
  11 ligne(s) créée(s).
  
  SQL> commit;
  
  Validation effectuée.
  
  SQL> set long 500
  SQL> set pagesize 50
  SQL> variable fk number;
  SQL> exec :fk := 1;
  
  Procédure PL/SQL terminée avec succès.
  
  SQL> SELECT xmlagg(
    2           xmlelement(evalname(ename), xmlattributes(id)) order by rn
    3         ).extract('/*') --< for formatting purpose
    4         as xmldoc
    5  FROM (
    6    SELECT 2*rownum-1 as rn,
    7           'B'        as ename,
    8           e          as id
    9    FROM b
   10    WHERE fk = :fk
   11    UNION ALL
   12    SELECT 2*rownum,
   13           'A',
   14           c
   15    FROM a
   16    WHERE fk = :fk
   17  );
  
  XMLDOC
  --------------------------------------------------------------------------------
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

  Interlacing is made in the inner query by assigning same ROWNUMs odd and table A to table B.

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  Hello experts,

  I would like to know how to combine multiple lines/records in a single record. Here are the DDL and DML to tables:

  create table test_table)

  client_name varchar2 (50 char),

  login_time timestamp (6).

  logout_time timestamp (6).

  auto_type varchar2 (10 char)

  )

  create table root_table)

  navigation_time timestamp (6).

  client_name varchar2 (50 char),

  VARCHAR2 (50 char) nom_du_groupe

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  insert into root_table

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  client_name

  
  login_time logout_time auto_typeJohn05/12/2013 5:04:01.512000 PM05/12/2013 5:27:31.308000 PMSIMPLEDavid05/12/2013 6:33:01.308000 AM05/12/2013 6:45:01.112000 AMSIMPLE

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  05/12/2013 5:04:01.512000 PM	John	Not valid
  05/12/2013 5:14:22.333000 PM	John	GROUP_1
  05/12/2013 5:27:31.308000 PM	John	GROUP_1
  05/12/2013 6:33:01.308000 AM	David	Not valid
  05/12/2013 6:45:01.112000 AM	David	GROUP_5

  And here is the SQL code I'm writing:

  Select a.customer_name, a.login_time, a.logout_time, a.auto_type, Max (b.group_name)

  from test_table a, b root_table

  where a.customer_name = b.customer_name

  Group of a.customer_name, a.login_time, a.logout_time, a.auto_type

  As the 'invalid' value is greater than the value "GROUP_1" (based on the number of letter in English), the GroupName is returned as 'invalid '. I want to bring the GroupName based on the navigation_time column in the root_table so that it always returns a valid GroupName. Please help me.

  Output current:

  Client_name.      Login_Time.     Logout_Time |     Auto_Type |     GroupName

  --------------------------------------------------------------------------------------------------------------------------------------------

  John |     05/12/2013 5:04:01.512000 PM |     05/12/2013 5:27:31.308000 PM |     SIMPLE |     Not valid

  David |     05/12/2013 6:33:01.308000 AM |     05/12/2013 6:45:01.112000 AM |     SIMPLE |     Not valid

  Expected results:

  Client_name.      Login_Time.     Logout_Time |     Auto_Type |     GroupName

  --------------------------------------------------------------------------------------------------------------------------------------------

  John |     05/12/2013 5:04:01.512000 PM |     05/12/2013 5:27:31.308000 PM |     SIMPLE |     GROUP_1

  David |     05/12/2013 6:33:01.308000 AM |     05/12/2013 6:45:01.112000 AM |     SIMPLE |     GROUP_5

  Thank you!

  Adding INSERT statements, current and planned outputs.

  This...

  SELECT client_name

  login_time,

  logout_time,

  auto_type,

  GroupName

  Of

  (select a.customer_name,

  a.login_time,

  a.logout_time,

  a.auto_type,

  b.group_name,

  ROW_NUMBER() over (PARTITION BY a.customer_name, a.login_time, a.logout_time, a.auto_type ORDER BY b.group_name) rn

  from test_table a, b root_table

  where a.customer_name = b.customer_name)

  WHERE rn = 1;

  OUTPUT:-

  =========

  David	DECEMBER 5, 13 06.33.01.308000000 AM	DECEMBER 5, 13 06.45.01.112000000 AM	SIMPLE	GROUP_5
  John	DECEMBER 5, 13 05.04.01.512000000 PM	DECEMBER 5, 13 05.27.31.308000000 PM	SIMPLE	GROUP_1

  Thank you

  Ann