Dear need to query result

Similar Questions

• Need to query the result with two different of a same attribute values

  Hi all
  
  I have a search query where I need the query result when an attribute have two different values (e.g.: want the query result when the attribute 'status' is equal to 1 and 2)
  
  And also, the user will be able to search by any State result.
  
  What is the best way to implement this.
  
  Thank you
  DK

  The solution to this use case is to put the part by default ((statut == 1 ou statut == 2) and: bindUserInput is null) as part of the query and the Pratt of the query to run when a value is entered by the user in a view criteria. East view criteria (Status ==: bindUserInput) and the value of the checkbox to ignore the values null. If the binding variable: bindUserInput is null, only the portion of the query is running, if the binding variable is not null, the display criteria is added at the request of three and three default components will not return any line.

  Timo

• Need help to build the query/pl-sql block to get the query result and the name of column from DB table in the form of key-value pairs.

  Hi Experts,

  I have a DB table has columns of more than 50.

  I question this table, it should only return one line at any time. as sqldeveloper below image.

  

  here, I need to build block pl/sql-query, Discover the column in the table as a key and query result as values.

  Eg:     Key                         -  Value

  TASK_EVENT_ID - 1765

  EVENT_TYPE - ASR_UPDATE

  ... etc until all of the columns in my table.

  Experts please comment on that point, appreciate your help on this.

  Thank you

  -Vincent.

  Here is an approach using DBMS_SQL to iterate over the columns of key / value to assign... (Little code snipped for brevity)

  create or replace procedure (task_expired)

  v_store_id in full,

  v_task_action_id in full,

  v_job_id in full

  )

  as

  -[SNIP code...]

  v_sql VARCHAR2 (4000): = ' select * from my_table where PK = 123';  -Your SQL here!

  v_v_val VARCHAR2 (4000);

  v_n_val NUMBER;

  v_d_val DATE;

  v_ret NUMBER;

  c NUMBER;

  d NUMBER;

  col_cnt INTEGER.

  f BOOLEAN;

  rec_tab DBMS_SQL. DESC_TAB;

  col_num NUMBER;

  vAsString VARCHAR2 (4000);

  BEGIN

  -[SNIP code...]

  Message_properties. CORRELATION: = "EDF_EVENT";

  MSG: = SYS. AQ$ _JMS_BYTES_MESSAGE. Construct();

  Msg.set_string_property ('queueName', ' shipping/csi_cth');

  Msg.set_string_property ('MODE', 'CR8');

  c: = DBMS_SQL. OPEN_CURSOR;

  DBMS_SQL. PARSE (c, v_sql, DBMS_SQL. NATIVE);

  d: = DBMS_SQL. Execute (c);

  DBMS_SQL. DESCRIBE_COLUMNS (c, col_cnt, rec_tab);

  1.col_cnt J

  LOOP

  CASE rec_tab (j) .col_type

  WHEN 2 THEN

  DBMS_SQL. DEFINE_COLUMN (c, j, v_n_val);      -Number

  WHEN 12 CAN

  DBMS_SQL. DEFINE_COLUMN (c, j, v_d_val);      -Date

  ON THE OTHER

  DBMS_SQL. DEFINE_COLUMN (c, j, v_v_val, 2000);   -Else treat as varchar2

  END CASE;

  END LOOP;

  LOOP

  v_ret: = DBMS_SQL. FETCH_ROWS (c);

  WHEN OUTPUT v_ret = 0;

  1.col_cnt J

  LOOP

  -Fetch each column to the correct data type based on coltype

  CASE rec_tab (j) .col_type

  WHEN 2 THEN

  DBMS_SQL. COLUMN_VALUE (c, j, v_n_val);

  vAsString: = to_char (v_n_val);

  WHEN 12 CAN

  DBMS_SQL. COLUMN_VALUE (c, j, v_d_val);

  vAsString: = to_char (v_d_val, ' DD/MM/YYYY HH24:MI:SS');

  ON THE OTHER

  DBMS_SQL. COLUMN_VALUE (c, j, v_v_val);

  vAsString: = v_v_val;

  END CASE;

  Msg.set_string_property (rec_tab (j) .col_name, vAsString);

  END LOOP;

  END LOOP;

  DBMS_SQL. CLOSE_CURSOR (c);

  DBMS_AQ. ENQUEUE (queue_name-online 'cbus.aqjms_common',

  Enqueue_options => Enqueue_options,

  Message_properties => Message_properties,

  Payload-online msg,

  Msgid => Message_handle);

  dbms_output.put_line ('00 Msgid =' |) Message_handle);

  dbms_output.put_line('===Done=');

  -[SNIP code...]

  END;

  /

• Need help with a query result

  Oracle Version: 11.2.0.2.0

  I need assistance with the output of the query. Here is the table.

  With Tbl_Nm as

  (

  Select 'ABC1' SYSTEM_ID, REGION 'US', 'CHI' SUB_REGION 4000 BALANCE, to_date('1-JUN-2012 10:45:00 am', 'dd-mon-yyyy hh:mi:ss am') LAST_UPD_TIME, 'A' FLAG of union double all the

  Select 'PQR2', 'UK', 'LN', 2000, To_Date('1-JUL-2012 10:46:00 am', 'dd-mon-yyyy hh:mi:ss am'), has ' starting from dual Union All

  Select 'ABC1', 'IND","MAMA", 3500, To_Date('1-AUG-2012 11:47:00 am', 'dd-mon-yyyy hh:mi:ss am'), 'A' from dual Union All

  Select "LMN3", "US", "NJ", 2500, To_Date('1-SEP-2012 09:49:00 am', 'dd-mon-yyyy hh:mi:ss am'), 'A' from dual Union All

  Select "PQR2", "UK", "MC", 2600, To_Date('1-OCT-2012 04:45:00 am', 'dd-mon-yyyy hh:mi:ss am'), 'A' from dual Union All

  Select 'ABC1', 'US', 'NY', 3200, To_Date('1-OCT-2012 06:45:00 am', 'dd-mon-yyyy hh:mi:ss am'), has ' starting from dual Union All

  Select "LMN3", "UK", "BT", 2400, To_Date('1-NOV-2012 07:45:00 am', 'dd-mon-yyyy hh:mi:ss am'), has ' From Dual

  )

  Select * from tbl_nm

  I need the output below.

  PQR2 UK MC 2600 1 OCTOBER 2012 04:45

  ABC1 US NY 3500 October 1, 2012 06:45

  LMN3 UK BT 2500 November 1, 2012 07:45

  The need the disc according to this system_id flagged as "A". But if the last disc of 'd' then it must show that the amount, but the file should be displayed in 'A '.

  I've tried a few and got stuck. Help, please. Not able to get a balance '.

  This question is a bit similar to needing help with a query result

  With Tbl_Nm as

  (

  Select 'ABC1' System_Id, region 'US', 'CHI' Sub_Region, 4000 balance, To_Date('1-JUN-2012 10:45:00 am', 'dd-mon-yyyy hh:mi:ss am') Last_Upd_Time, 'A' flag of double Union All

  Select 'PQR2', 'UK', 'LN', 2000, To_Date('1-JUL-2012 10:46:00 am', 'dd-mon-yyyy hh:mi:ss am'), has ' starting from dual Union All

  Select 'ABC1', 'IND","MAMA", 3500, To_Date('1-AUG-2012 11:47:00 am', 'dd-mon-yyyy hh:mi:ss am'), 'A' from dual Union All

  Select "LMN3", "US", "NJ", 2500, To_Date('1-SEP-2012 09:49:00 am', 'dd-mon-yyyy hh:mi:ss am'), 'A' from dual Union All

  Select "PQR2", "UK", "MC", 2600, To_Date('1-OCT-2012 04:45:00 am', 'dd-mon-yyyy hh:mi:ss am'), 'A' from dual Union All

  Select 'ABC1', 'US', 'NY', 3200, To_Date('1-OCT-2012 06:45:00 am', 'dd-mon-yyyy hh:mi:ss am'), has ' starting from dual Union All

  Select "LMN3", "UK", "BT", 2400, To_Date('1-NOV-2012 07:45:00 am', 'dd-mon-yyyy hh:mi:ss am'), has ' From Dual

  )

  Select System_Id, region, Sub_Region, Balance, Last_Upd_Time of Tbl_Nm T1

  where t1. Last_Upd_Time = (select max (Last_Upd_Time) in the Tbl_Nm T2 where T1.) SYSTEM_ID = T2. SYSTEM_ID)

  So maybe you'd then

  ORDER BY DECODE(flag,'D',9,1) ASC...

  to get the Ds at the end of the list.

  or

  ORDER BY CASE WHAT flag = has ' (your other filters) AND then 9 or 1 end CSA,...

  HTH

• Need help to understand the query result

  Hi gurus

  I was reading one of the question here in this forum and its link is below:

  Query required for scenario

  I had some confusion related to this code and don't understand the logic of the out put, see query below:

  Query

  with sub_services as

  (

  Select su_seq 12323, 'HLR1' so_id, 1 seq Union double all the

  Select su_seq 12323, "HLR2' so_id, seq 2 Union double all the

  Select su_seq 12323, "A09" so_id, seq 3 of all the double union

  Select su_seq 12333, "MO1" so_id, seq 4 Union double all the

  Select su_seq 12333, "MO2' so_id, seq 5 Union double all the

  Select su_seq 12333, "A09" so_id, 6 seq in union double all the

  Select su_seq 12333, 'M0CR' so_id, seq 7 Union double all the

  Select su_seq 12999, "LOL1' so_id, seq 8 Union double all the

  Select su_seq 12999, "LOL2' so_id, seq 9 double

  )

  Select *.

  of sub_services b

  where exists (select 1 from sub_services

  where su_seq = b.su_seq

  and so_id = 'A09.

  )

  order by 2;

  The query result

  12323 A09 3

  12333 6 A09

  12323 HLR1 1

  12323 HLR2 2

  12333 M0CR 7

  12333 4 MO1

  12333 5 MO2

  According to my understanding, the above query should return records in red only because of her is below command

  It exists (select 1 from sub_services

  where su_seq = b.su_seq

  and so_id = 'A09.

  but don't know why he's back 7 files, can someone help me understand the result...

  It is query is functionally identical to the PL/SQL block, but much more effective.

  declare

  number of l_res;

  Start

  for line (select *)

  sub_services) loop

  Start

  Select 1 from l_res

  of sub_services

  where su_seq = row.su_seq and

  so_id = "A09" and

  rownum = 1;

  exception when

  NO_DATA_FOUND then

  null;

  end;

  end loop;

  end;

  Essentially every row in the outer query are tested against him exists query.  Given the correlation between two requests is based only on su_seq each line with a su_seq value returned by him is returned in the output.

  Another way to think he uses instead a join condition.  This query is equivalent to the query to exist

  Select the main

  of main sub_services

  Join select (separate su_seq

  of sub_services

  where so_id = "A09") cond

  We main.su_seq = cond.su_seq;

  John

• limit the number of query results for content Presenter CMIS

  Hi dear,
  
  I have a problem. I added content present on my page in Jdev ide, not at run time. And I need a query including the limitation of the number of results.
  
  My query is: ${' SELECT * from ora: t:IDC:GlobalProfile WHERE the ora: p:xRegionDefinition =-"CSGMNEWS_REGDEF\" ORDER BY ora: p:dInDate DESC'}
  
  
  I just want to add a number parameter.
  
  Can you help me please? How can I limit the number of results?
  
  Kind regards
  
  Yacouba
  
  Published by: erdo on 21.Mar.2013 18:37

  Hello.

  Content Presenter has a setting (maxResults) to set the maximum returned results:

  Sample:
  
  xmlns = "http://xmlns.oracle.com/adf/controller/binding" Refresh 'ifNeeded' = >
  
  
  
  
  
  
  
  

  When you add your CP to a page at design time, you can access the pageDefinition and provide more values for attributes of CP.

  I hope this help you.

  Kind regards.

• Help on the game of query results

  Hi gurus,

  Have this survey for my requirement of dataset sql.

  Sample, it's that I have to pick up the nonfunctional currency transactions.

  Lets say for a given month, data that are present are for CurrencyA and CurrencyB for a particular account.

  Account1 has a transaction does not work CurrencyA and CurrenyB then Account2 has only transaction to CurrencyB.

  My current query result is that the 3 first lines, what I need is the 4th should also appear and be included.

  CurrencyA - amount - account1

  CurrencyB - amount - account1

  CurrencyB - amount - Account2

  CurrencyA - < '0' / or null >-Account2

  I think that my request is based on the currency < x > I have, so it should be for each account, he has all the lines for each currency.

  If please notify and let me know your thoughts.

  Kind regards

  Hello

  It looks like you want an outer join partitioned.

  I hope that answers your question.
  If not, post a small example of data (CREATE TABLE and only relevant columns, INSERT statements) for all of the tables involved and the results desired from these data.
  Explain, using specific examples, how you get these results from these data.
  Always say what version of Oracle you are using (for example, 11.2.0.2.0).

  See the FAQ forum: https://forums.oracle.com/message/9362002

• The query results: extract all lines?

  I was looking for a feature that will allow me to choose to return "all records" in the query results window. The current behavior is fetching 50 files at a time (for example fetch 50 records when you scroll the results = s-l-o-w). What I would do, that is 'Recover all lines' and then use for the scroll bar to scroll "smoothly" to the last record. For example, the 8.0.6 Query Builder version has this feature and SQL Developer 3.0, if I right click on the results. I choose 'Count lines... ". ", looks like it would be a perfect place to put an option"retrieve all rows.

  If your application is to be able to quickly reach the last record in a query you can press Ctrl + Page Down (with emphasis in the grid of results) and you will automatically position your view to the last record in the query automatically go get all the results in the process.

  You have no need to do anything with the mouse scroll is actually the fastest way to reach the desired line.

• I need a query that selects the amount of records for each day of a table.

  I need a query that selects the amount of records for each day of a table.
  For example, the result would be:
  
  1 14 date
  Date 2-3
  
  etc.
  
  Any ideas?

  Sort:

  SELECT count ([IDCommentaire]), convert (varchar, dateAdded, 112)

  OF COMMENTSgroup by convert (varchar, dateAdded, 112)

• How to write output to a txt file query results

  have a sub query resulting in some records I want to write in a txt file
  
  Select employee a.empcode a, b the address where a.empcode! = b.emp.code

  You can use UTL_FILE to do so, either specifically for your query or more generically as below:

  As user sys:

  CREATE OR REPLACE DIRECTORY TEST_DIR AS '\tmp\myfiles'
  /
  GRANT READ, WRITE ON DIRECTORY TEST_DIR TO myuser
  /
  

  As myuser:

  CREATE OR REPLACE PROCEDURE run_query(p_sql IN VARCHAR2
                                       ,p_dir IN VARCHAR2
                                       ,p_header_file IN VARCHAR2
                                       ,p_data_file IN VARCHAR2 := NULL) IS
    v_finaltxt  VARCHAR2(4000);
    v_v_val     VARCHAR2(4000);
    v_n_val     NUMBER;
    v_d_val     DATE;
    v_ret       NUMBER;
    c           NUMBER;
    d           NUMBER;
    col_cnt     INTEGER;
    f           BOOLEAN;
    rec_tab     DBMS_SQL.DESC_TAB;
    col_num     NUMBER;
    v_fh        UTL_FILE.FILE_TYPE;
    v_samefile  BOOLEAN := (NVL(p_data_file,p_header_file) = p_header_file);
  BEGIN
    c := DBMS_SQL.OPEN_CURSOR;
    DBMS_SQL.PARSE(c, p_sql, DBMS_SQL.NATIVE);
    d := DBMS_SQL.EXECUTE(c);
    DBMS_SQL.DESCRIBE_COLUMNS(c, col_cnt, rec_tab);
    FOR j in 1..col_cnt
    LOOP
      CASE rec_tab(j).col_type
        WHEN 1 THEN DBMS_SQL.DEFINE_COLUMN(c,j,v_v_val,2000);
        WHEN 2 THEN DBMS_SQL.DEFINE_COLUMN(c,j,v_n_val);
        WHEN 12 THEN DBMS_SQL.DEFINE_COLUMN(c,j,v_d_val);
      ELSE
        DBMS_SQL.DEFINE_COLUMN(c,j,v_v_val,2000);
      END CASE;
    END LOOP;
    -- This part outputs the HEADER
    v_fh := UTL_FILE.FOPEN(upper(p_dir),p_header_file,'w',32767);
    FOR j in 1..col_cnt
    LOOP
      v_finaltxt := ltrim(v_finaltxt||','||lower(rec_tab(j).col_name),',');
    END LOOP;
    --  DBMS_OUTPUT.PUT_LINE(v_finaltxt);
    UTL_FILE.PUT_LINE(v_fh, v_finaltxt);
    IF NOT v_samefile THEN
      UTL_FILE.FCLOSE(v_fh);
    END IF;
    --
    -- This part outputs the DATA
    IF NOT v_samefile THEN
      v_fh := UTL_FILE.FOPEN(upper(p_dir),p_data_file,'w',32767);
    END IF;
    LOOP
      v_ret := DBMS_SQL.FETCH_ROWS(c);
      EXIT WHEN v_ret = 0;
      v_finaltxt := NULL;
      FOR j in 1..col_cnt
      LOOP
        CASE rec_tab(j).col_type
          WHEN 1 THEN DBMS_SQL.COLUMN_VALUE(c,j,v_v_val);
                      v_finaltxt := ltrim(v_finaltxt||',"'||v_v_val||'"',',');
          WHEN 2 THEN DBMS_SQL.COLUMN_VALUE(c,j,v_n_val);
                      v_finaltxt := ltrim(v_finaltxt||','||v_n_val,',');
          WHEN 12 THEN DBMS_SQL.COLUMN_VALUE(c,j,v_d_val);
                      v_finaltxt := ltrim(v_finaltxt||','||to_char(v_d_val,'DD/MM/YYYY HH24:MI:SS'),',');
        ELSE
          v_finaltxt := ltrim(v_finaltxt||',"'||v_v_val||'"',',');
        END CASE;
      END LOOP;
    --  DBMS_OUTPUT.PUT_LINE(v_finaltxt);
      UTL_FILE.PUT_LINE(v_fh, v_finaltxt);
    END LOOP;
    UTL_FILE.FCLOSE(v_fh);
    DBMS_SQL.CLOSE_CURSOR(c);
  END;
  

  This allows the header line and the data to write into files separate if necessary.

  for example

  SQL> exec run_query('select * from emp','TEST_DIR','output.txt');
  
  PL/SQL procedure successfully completed.
  

  Output.txt file contains:

  empno,ename,job,mgr,hiredate,sal,comm,deptno
  7369,"SMITH","CLERK",7902,17/12/1980 00:00:00,800,,20
  7499,"ALLEN","SALESMAN",7698,20/02/1981 00:00:00,1600,300,30
  7521,"WARD","SALESMAN",7698,22/02/1981 00:00:00,1250,500,30
  7566,"JONES","MANAGER",7839,02/04/1981 00:00:00,2975,,20
  7654,"MARTIN","SALESMAN",7698,28/09/1981 00:00:00,1250,1400,30
  7698,"BLAKE","MANAGER",7839,01/05/1981 00:00:00,2850,,30
  7782,"CLARK","MANAGER",7839,09/06/1981 00:00:00,2450,,10
  7788,"SCOTT","ANALYST",7566,19/04/1987 00:00:00,3000,,20
  7839,"KING","PRESIDENT",,17/11/1981 00:00:00,5000,,10
  7844,"TURNER","SALESMAN",7698,08/09/1981 00:00:00,1500,0,30
  7876,"ADAMS","CLERK",7788,23/05/1987 00:00:00,1100,,20
  7900,"JAMES","CLERK",7698,03/12/1981 00:00:00,950,,30
  7902,"FORD","ANALYST",7566,03/12/1981 00:00:00,3000,,20
  7934,"MILLER","CLERK",7782,23/01/1982 00:00:00,1300,,10
  

  The procedure allows for the header and the data to separate files if necessary. Just by specifying the file name "header" will put the header and the data in a single file.

  Adapt to the exit of styles and different types of data are needed.

• Query result cache

  Today I test the query result cache, but the result is not as I expected. Please give a few advices.thank you in advance.

  SQL > create table (qrc_tab)

  Number 2);

  Table created.

  SQL > insert into qrc_tab values (1);

  1 line of creation.

  SQL > insert into qrc_tab values (2);

  1 line of creation.

  SQL > insert into qrc_tab values (3);

  1 line of creation.

  SQL > insert into qrc_tab 4;

  1 line of creation.

  SQL > insert into qrc_tab values (5);

  1 line of creation.

  SQL > create or replace function slow_function (p_id in qrc_tab.id%TYPE)

  2 back qrc_tab.id%TYPE DETERMINISTIC AS

  3 BEGIN

  4 DBMS_LOCK.sleep (1);

  5 return p_id;

  6 end;

  7.

  The function is created.

  SQL > set timing on

  SQL > select slow_function (id) in the qrc_tab;

  SLOW_FUNCTION (ID)

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

  1

  2

  3

  4

  5

  Elapsed time: 00:00:05.01

  SQL > select / * + result_cache * / slow_function (id) of qrc_tab;

  SLOW_FUNCTION (ID)

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

  1

  2

  3

  4

  5

  Elapsed time: 00:00:05.00

  SQL > select / * + result_cache * / slow_function (id) of qrc_tab;

  SLOW_FUNCTION (ID)

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

  1

  2

  3

  4

  5

  Elapsed time: 00:00:05.00

  SQL > select / * + result_cache * / slow_function (id) of qrc_tab;

  SLOW_FUNCTION (ID)

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

  1

  2

  3

  4

  5

  Elapsed time: 00:00:05.00

  I wonder why time is not fast? Help, please

  create or replace function slow_function (p_id in qrc_tab.id%TYPE)

  return qrc_tab.id%TYPE result_cache DETERMINISTIC AS

  Start

  DBMS_LOCK. Sleep (1);

  return p_id;

  end;

  /

  --

  John Watson

  Oracle Certified Master s/n

• How to get SQL Developer 4.1 to display the query result?

  SQL DEV 4.0.3.16.84 execution of a SELECT statement is stored in a .sql file causes the window of the query result of pop-up indicating the result of a SELECT statement.  SQL DEV 4.1 is not to do so.

  Oops on my part; my SQL formatting has been the root cause.  I got used to insert split without any character of comment lines in front of them.  For example:

  ==================================================

  Select funny business;

  The foregoing indicates the behavior described.

  --==================================================

  Select funny business;

  With the dash double comment shows, the SQL works very well.

  This is different than previous versions of SQL Developer, but is probably better functionality.  I'll try to mark it as answered, but anyone with the admin should certainly do so if I can't.

• Query results pane should display the entire XML following the execution of the query

  Hi, I'm trying to get the xml output results returned in sqldeveloper returned in full.

  they are truncated to.

  I tried the trick / * xml * / but that is implemented in the form xml cdata codes and other structures of nickname.

  Select xmlserialize (DOCUMENT

  XMLELEMENT ("root",

  XMLAttributes ('http://www.millicom.com' as 'xmlns'),

  XMLAGG)

  XMLELEMENT ("line",

  XMLFOREST (U.username,

  U.user_id,

  U.PASSWORD,

  U.ACCOUNT_STATUS,

  U.LOCK_DATE,

  U.EXPIRY_DATE,

  U.DEFAULT_TABLESPACE,

  U.TEMPORARY_TABLESPACE,

  U.CREATED,

  U.PROFILE,

  U.INITIAL_RSRC_CONSUMER_GROUP,

  U.EXTERNAL_NAME,

  U.PASSWORD_VERSIONS,

  U.EDITIONS_ENABLED,

  U.AUTHENTICATION_TYPE)))

  AS CLOB DASH)

  from dba_users U

  CROSS JOIN (select 1 of the double connect by level < = 10);

  Thanks for any help you can offer.

  
  

  JM

  Hi jm,

  In the line of query results, did scroll all the way to the right, then click twice on the «...» "at the end of the line to open the cell editor?

  So again, who does not show all the XML, it may be a problem with the version of the ojdb6.jar in use (11.2.0.3 client or later is required), or whether or not the JDBC OCI/thickness is used.  Read the following discussion: retrieve XMLTYPE based on very slow saved schema

  Kind regards

  Gary

  SQL development team

• Duplicates in hierarchical query results

  Please use the suite of applications:

  CREATE TABLE EMP

  (NUMBER OF EMP_ID,

  EMP_NAME VARCHAR2 (50).

  NUMBER OF MANAGER_ID

  );

  INSERT INTO EMP VALUES(1,'SCOTT',);

  INSERT INTO EMP VALUES(2,'JOHN',1);

  INSERT INTO EMP VALUES(3,'ROB',2);

  INSERT INTO EMP VALUES(4,'MIKE',2);

  INSERT INTO EMP VALUES(5,'BOB',);

  INSERT INTO EMP VALUES(6,'JEFF',5);

  COMMIT;

  SELECT * FROM EMP, (SELECT EMP_ID FROM EMP WHERE EMP_ID IN (1.5)) TEMP

  START BY EMP. EMP_ID = TEMP. EMP_ID

  CONNECT BY PRIOR EMP. EMP_ID = EMP. MANAGER_ID;

  Basically, I first spend a few emp_ids a subquery and then want to see all records in the table emp which are direct or indirect of those emp_ids children.

  But I get a lot of duplicate records. Can someone explain what is the reason behind this? I can use SEPARATE and spend, but there could be a problem with my request in the first place.

  Help, please!

  Thank you

  RN

  Hello

  RN says:

  Please use the suite of applications:

  CREATE TABLE EMP

  (NUMBER OF EMP_ID,

  EMP_NAME VARCHAR2 (50).

  NUMBER OF MANAGER_ID

  );

  INSERT INTO EMP VALUES(1,'SCOTT',);

  INSERT INTO EMP VALUES(2,'JOHN',1);

  INSERT INTO EMP VALUES(3,'ROB',2);

  INSERT INTO EMP VALUES(4,'MIKE',2);

  INSERT INTO EMP VALUES(5,'BOB',);

  INSERT INTO EMP VALUES(6,'JEFF',5);

  COMMIT;

  SELECT * FROM EMP, (SELECT EMP_ID FROM EMP WHERE EMP_ID IN (1.5)) TEMP

  START BY EMP. EMP_ID = TEMP. EMP_ID

  CONNECT BY PRIOR EMP. EMP_ID = EMP. MANAGER_ID;

  Basically, I first spend a few emp_ids a subquery and then want to see all records in the table emp which are direct or indirect of those emp_ids children.

  But I get a lot of duplicate records. Can someone explain what is the reason behind this? I can use SEPARATE and spend, but there could be a problem with my request in the first place.

  Help, please!

  Thank you

  RN

  Thanks for posting the CREATE TABLE and INSERT statements; It is very useful.

  When you do CONNECT BY and joins in the same query (sub-), joins are made first, and then CONNECT BY is performed on all results of the joints.  In this example, you make a cross of PMCs and this join called temp.  Let's see what the result set looks like:

  SELECT *.

  WCP

  ,       (

  SELECT emp_ID

  WCP

  WHERE emp_id IN (1.5)

  ) temp

  ;

  Output:

  EMP_ID, EMP_NAME MANAGER_ID EMP_ID

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

  1 SCOTT 1

  2 1 1 JOHN

  3 ROB                 2          1

  4 1 2 MIKE

  5 BOB                            1

  JEFF 6 5 1

  1 SCOTT 5

  2 1 5 JOHN

  3 ROB                 2          5

  4 2 5 MIKE

  5 BOB                            5

  6 5 5 JEFF

  Now, you do a CONNECT BY query on the result set.  As you can see, there are 2 lines with emp_id = 2 in the set of results above, which explains why there are 2 lines in your query results with emp_id = 2.  Similarly, the output defined above, there are 2 lines with emp_id = 3, and they all have two manager_id = 2, each of them is considered to be a child of each of each of the 2 rows with emp_id = 2, and therefore, you have 2 * 2 = 4 lines with emp_id = 3 in the output CONNECT BY.

  What is a cross here join?  Why must you temp?  Why not just a CONNECT BY questioning one emp, like this:

  SELECT *.

  WCP

  START WITH emp_id IN (1, 5)

  CONNECT BY PRIOR Emp_id = manager_id

  ;

  ?

• new to 4.02, no grid or column names in the query results

  It is a bit strange, I have SQL Developer 4.02 just installed, and I don't see grid or column names in the query results.  Don't see anything useful in tools > Preferences, what don't get me?

  The worksheet gives you a couple of different ways to run a query...

  1. instruction execute sheet icon toolbar (large green arrow, or Ctrl + Enter).

  This produces a results tab of the query with the data displayed in a grid.

  2. worksheet icon toolbar Execute the Script (the small tip of the green arrow on lined paper, or F5).

  This produces a tab out of the Script with the data displayed on the printer.

  If execution of the statement to Execute the Script, using some SQL * most orders will remove the column headers:

  1. set the position

  2. set the pagesize 0 (or 1 or 2).

  Pagesize and linesize default is - 1.  By default, the spreadsheet is free for formatting output script as he wishes.  If you have not changed these settings in the spreadsheet, then see if you point to a startup script in Tools > Preferences > Database > name of the connection startup script file

  Kind regards

  Gary

  SQL DeveloperTeam