Update a primary key of type char data

Similar Questions

• best method to update the primary key

  Can someone tell me the best possible method to update the primary key so that the foreign key is also updated.
  Please explain with example

  940340 wrote:
  Can someone tell me the best possible method to update the primary key so that the foreign key is also updated.
  Please explain with example

  You're after a mechanism that lets you update the primary key sometimes on some lines, or did you just impossible, which means that you must update all the data because of some kind of change in the structural definition?

  If all you need is a rational method to change keys sometimes (and this isn't quite mortal sin that other posters have been suggesting) then recreate your foreign key as a constraint can be delayed may help.

  Oracle allows no you cascading updates automatically for primary keys, but if the foreign key is carried forward you can proceed as follows:

  set constraint {foreign key constraint name} deferred;
  update parent primary key;
  update child foreign key;
  set constraint {foreign key constraint name} immediate;
  

  Concerning
  Jonathan Lewis

• How can I update the primary key column

  Hello
  Can you suggest me best workaround/algorithm for task below:
  
  (Oracle 10g, Solaris OS.)
  Location:
  Table a primary key column P 'Code', tables children F1, F2,..., reference to F15 "Code_P' foreign key column"P.Code"column, and we do not know which of the child tables data available for a particular value"P.Code.
  Task:
  Change the value "P.Code" from 100 to 200. So that the result would be that record P [Code = 100] should be updated:

  update P set
  Code = 200
  where Code = 100;

  And child tables 'Code_P' column should be updated as:

  update F1, F2, .., F15 set
  P_code = 200
  where P_code = 100;

  The best solution would be that you can easily repeat this task.
  
  Edited by: CharlesRoos the 28.12.2010 12:10

  Will there be FK constraints in place?
  If so, you may need to modify them so that their application may be temporarily deferred.

  The gameplan would be something like this:

  -Making of CF can be deferred, immediate departure.
  -Alter FK set delay.
  -Update of Parent table.
  -Update of the children tables.
  -Immediate constraints set
  s ' engage;

• Primary key several columns with Date - parameter problem

  All,
  I'm having a problem where I can not find the answer to. I looked upstairs and down nothing helps. Help, please.
  
  The issue is that I have a table that has a primary key of several columns and a column is a date, and the other is a string. I have a simple search and I want a picture update of the results table that users can click on and go to another page to update this record. The question is when I launch an appeal based on the updated image, I also want to define the settings based on the record that I have selected. So I put the string parameter and that works very well. The problem is with the date. When I put the setting date this market but he chops off the coast of the timestamp. Later when I try to access this setting "("dateParameter") pageContext.getParameter"; that it will bring a date as December 15, 2008 but I need the whole date and time stamp (i.e., December 15, 2008 10:20:33) to properly identify the record.
  
  Help, please!
  
  Thank you
  Colby J

  Hello

  because each parameter go into url as a format string, so you will never get the full date with timestamp setting, the solution would be to

  1.) set a fire on the photo update action, give his name to the event as "update."

  (2.) by clicking Update photograph fires this event.

  (3.) processFormrequest in the controller method

  OAApplicationModule am = pageContext.getApplicationModule (webBean);

  If ("update".equals (pageContext.getParameter ("event")))
  {
  This will give you the select line when you click Update

  String rowReference = pageContext.getParameter (OAWebBeanConstants.EVENT_SOURCE_ROW_REFERENCE);
  Line VORowImpl = (EmployeeSummaryVORowImpl) am.findRowByRef (rowReference);
  Timestamp sdateVal = (String) row.getAttribute ("Date value");

  This will transfer the values to the next page
  pageContext.putTransactionTransientValue ("transferdvalue", sdateVal);

  }

  and in the next page, you can get the value as follows

  timestamp getDateVal = pageContext.getTransactionTransientValue ("transferdvalue" l);

  hope this will solve your problem, please let me know if you face any problem

  thanx
  Pratap

• Creating primary key based on the Date

  Hi all
  I am trying to create a unique ID for each record, based on the date that the record is created. Example, if the folder is created today, I want to the key is 20101130XX where XX is a sequential list of numbers e.g. 01, 02, 03 etc... in the case where more than one person creates a record today.
  
  If 3 people created record yesterday their unique ID would be
  
  2010112900
  2010112901
  2010112902
  
  and then comes the midnight and someone creates a new record, that it would be
  
  2010113000
  
  This is intended to give each record with a unique ID that will be used to reference the ticket.
  
  We are already using the date format, but currently users have to manually enter the id and who can create errors such as 2011112900 when it should have been 2010112900 then instead of 2010 they put 2011
  
  I'm not sure how to create a trigger to generate this type of unique identification number and would appreciate any help
  
  Thanks in advance
  
  Wally

  Never said it was perfect, but then again, it is a rather sticky issue... Reset sequence work would be scheduled to run @ some point... You entered in tables past 24/7? I would say that system could be locked for those 5 minutes sequence is updated, or the table is locked to allow no access while the process is...

  To be honest, that is the question in the design of a key value that is dependent on outside data, as apposed to a surrogate key, which is generated System... Again, you could have at ONCE and have the surrogate for a key key REAL primary and date + sequence as a secondary key for the use of basic unit of carbon...

  Thank you

  Tony Miller
  Webster, TX

  If vegetable oil is made from vegetables, then what is baby oil?

• In bulk API REST v2 activity Data Export 'primary key '?

  After reading the documentation, I expected that ActivityId would be the primary key when you export activity data - for example, it would not be in double ActivityID in the data returned by the export items . However, I see the exported data where I have several references to activity that are identical, except that they have different CampgainIds

  1. Is ActivityId, CampaignId the primary key for the activity data? If not, what is?
  2. When the activity with the same activity ID data has different areas (excluding CampaignId)?

  Thank you!

  Christopher Campbell-Oracle

  It is a known issue that we're working to correct.

• Create the primary key on the target

  Y at - it no IKM which would create the primary key on target after having read the instructions for the source?
  
  Thank you
  Dinesh.

  Hi Dinesh,

  You can customize a KM to create a primary key on the target
  The target table will be created with the mention of the primary key constraint in the data target store.

  Steps: -.

  Customiuse creating target step of the table and I create $ step table.

  for example: -.

  original train target table KM walk (IKM Oracle Simple incremental update): -.

  create table< %="snpRef.getTable" ("l",="" "a",="" "targ_name")="" %="">
  (
       <%=snpRef.getTargetColList("", "[COL_NAME]\t[DEST_CRE_DT] NULL", ",\n\t", "")%>
  )

  custom STAGE: -.

  create table< %="snpRef.getTable" ("l",="" "a",="" "targ_name")="" %="">
  (
       <%=snpRef.getTargetColList("", "[COL_NAME]\t[DEST_CRE_DT] NULL", ",\n\t", "")%>

  CONSTRAINT constraint_name PRIMARY KEY (< %="snpRef.getColList" ("",="" "[column]",="" ",",="" "",="" "pk")="" %="">)
  )

  Note:- The code above described here is just a sample of reference. I did not test the syntax.

  Kind regards
  Its

• Adding primary keys with javascript.

  I have a database that has no metadata.

  We have the primary key definitions in an external system.

  The primary key information are easy to get.

  I want to update the relational model (and display) with the primary key information.

  Is it possible to update the primary key of infromation in the model of the relationship of Javascript?

  Hello

  You can try to settle for your use:

  // get table name
  tname = ...;
  //get pk name
  pkname = ....;
  table = model.getTableSet().getByName(tname);
  if(table !=n ull){
  index = table.createIndex();
  index.setName(pkname);
  index.setPK(true);
  // get column name - should iterate in case of multi column PK
  cname = ...;
  column = table.getElementByName(cname);
  if(column != null){
    index.add(column);
  }
  table.setDirty(true);
  }
  

  Philippe

• Primary key on the attributes of data type

  Production data Modeler 3.0 is really nice! Kudos to the development team.
  
  Now for a question. Any idea when the Data Modeler will support (generate after modeling) the following SQL statements?
  
  CREATE or REPLACE TYPE x_flags_t
  AS AN OBJECT
  (
  ID NUMBER,
  has_note NUMBER,
  has_image NUMBER,
  created_on DATE,
  created_by VARCHAR2 (30 CHAR),
  modified_on DATE,
  Modified_By VARCHAR2 (30 CHAR),
  FINAL
  X_flags_t FUNCTION CONSTRUCTOR
  (
  GITES x_flags_t IN OUT NOCOPY
  )
  RETURN SELF AS RESULT
  ,
  FUNCTION MEMBER update_row
  (
  X_flags_t COTTAGES
  )
  RETURN x_flags_t,
  FUNCTION MEMBER update_note_flag
  (
  X_flags_t COTTAGES
  p_note_flag in NUMBERS
  )
  RETURN x_flags_t
  ) NOT FINAL
  ;
  /
  
  
  CREATE TABLE x_flags
  (
  indicators x_flags_t
  )
  /
  
  ALTER TABLE x_flags
  ADD (CONSTRAINT x_flags_pk PRIMARY KEY * (flags.id)) *.
  /

  Hi Scott,.

  Thanks for your comments.
  I logged an enhancement request to enable a primary key for a Table containing columns of structured Type to refer to attributes of structured Type.

  David

• Update a table with primary key

  Hello

  I have a table called Temp

  CREATE TABLE TEMP
  (
     A   VARCHAR2 (50 CHAR),
     B   VARCHAR2 (50 CHAR),
     C   VARCHAR2 (50 CHAR),
     D   VARCHAR2 (18 CHAR),
     E   DATE,
     F   NUMBER,
     G   VARCHAR2 (18 CHAR),
     H   FLOAT
  );
  

  The primary key is the PRIMARY KEY: (A, B, C, D, E, F, G).

  I HAVE THE TEMPORARY TABLE 48052365 COUNTY,

  HOWEVER I HAVE A REQUIREMENT TO UPDATE WHERE E (COLUMN) IS WEDNESDAY, THE SAME DAY IN MONDAY (I.E., C - 2 TO EXISTING DATE)

  Approach;

  I CREATED the TABLE TEMP_WED_TO_MONDAY AND SELECTED ALL THE RECORDINGS ELIGIBLE IN CE AND TABLE AND INDEX UNIQUE CREATED on this SUBJECT. TO UPDATE, I WROTE UNDER ANONYMOUS BLOCK.

  Number of Tables: TEMP_WED_TO_MONDAY is 46,921,912 and count of total of the table is 48052365

  Anonymous block:

  DECLARE
     CURSOR UPDATE_TEMP_DATE
     IS
        SELECT A,
               B,
               C,
               D,
               E,
               F,
               G,
               E - 2 NEW_E
          FROM TEMP_WED_TO_MOONDAY;
  
  
     TYPE UPDATE_TEMP_DATE_REC IS RECORD
     (
        A       VARCHAR2 (50 CHAR),
        B       VARCHAR2 (50 CHAR),
        C       VARCHAR2 (50 CHAR),
        D       VARCHAR2 (18 CHAR),
        E       DATE,
        F       NUMBER,
        G       VARCHAR2 (50 CHAR),
        NEW_E   DATE
     );
  
  
     TYPE UPDATE_TEMP_DATE_TBL_TYPE IS TABLE OF UPDATE_TEMP_DATE_REC;
  
  
     UPDATE_TEMP_DATE_TBL   UPDATE_TEMP_DATE_TBL_TYPE;
  BEGIN
     OPEN UPDATE_TEMP_DATE;
  
  
     LOOP
        FETCH UPDATE_TEMP_DATE
           BULK COLLECT INTO UPDATE_TEMP_DATE_TBL
           LIMIT 1000000;
  
  
        EXIT WHEN UPDATE_TEMP_DATE_TBL.COUNT = 0;
  
  
        FORALL I IN UPDATE_TEMP_DATE_TBL.FIRST .. UPDATE_TEMP_DATE_TBL.LAST
           UPDATE TEMP
              SET E = UPDATE_TEMP_DATE_TBL (I).NEW_E
            WHERE     A = UPDATE_TEMP_DATE_TBL (I).A
                  AND B = UPDATE_TEMP_DATE_TBL (I).B
                  AND C = UPDATE_TEMP_DATE_TBL (I).C
                  AND D = UPDATE_TEMP_DATE_TBL (I).D
                  AND E = UPDATE_TEMP_DATE_TBL (I).E
                  AND F = UPDATE_TEMP_DATE_TBL (I).F
                  AND G = UPDATE_TEMP_DATE_TBL (I).G;
  
  
        COMMIT;
     END LOOP;
  
  
     CLOSE UPDATE_TEMP_DATE;
  END;
  
  

  But for the past 6 hours, it only updated records 20,00,000(Twenty lakh) only. because this update in the table and is also part of the teaching primary key I think it takes time, but pointers to improve/acceleration of the update

  Explain the plan:

  update statement all_rows (Cost 4)
    3 update hr.temp 
      2   table access by index rowid table hr.temp (Cost 4, Bytes : 64 ,Cardinality 1)
        1    index range scan index hr.temp_wed_to_monday (Cost 3: Cardinality 1)
  

  Thank you guys, I would be grateful if someone provides the solution for the scenario, rather than highlight the design. Please understand someone designed to best with whatever the limits it has during this period. (and this isn't me).

• How to add the primary key for the table with the existing data?

  The table is already busy data. There was no primary key before, so for each column, there are some duplicate values.
  
  I want to add a new column, which should be of the integer data type and can automatically incremented, from 001. I tried with Oracle SQL Developer, but it says "ORA-01758: table must be empty to add mandatory (NOT NULL) column. How can I do? Thank you!

  Hello

  Look for the [ALTER TABLE | http://download.oracle.com/docs/cd/B28359_01/server.111/b28286/statements_3001.htm#sthref4803] command to find out how to add a column (step (1)) and a (step (3)) constraint to an existing table.

  For the step (2):

  CREATE SEQUENCE  employee_id_seq
  START WITH  1
  ;
  
  UPDATE  employee
  SET     id  = employee_id_seq.NEXTVAL;
  

  When you create a sequence, START WITH 1 is the default value, so that the line is not really necessary above... I've included just to show how you could start with any number you have chosen.

• # in the primary key data.

  Hi all
  
  I have an interactive relationship with form (update-able). I cannot retrieve the line for a few records by clicking on the link change.
  
  I get the error message: "Unable to Fetch Row.
  
  After investigation, I found one thing in common. My primary key data is impossible between the two for these records.
  
  Can you guys clarify / confirm, if there is any work around to eliminate this # or I need to set the data for the records?
  
  I use versioin Apex 3.1 and 9i db
  
  Thank you
  Daniel
  
  Published by: Daniel on June 14, 2011 05:33
  
  Published by: Daniel on June 14, 2011 05:36

  The # being the PK passed along the url, Yes, it is a problem... You SHOULDN'T have these characters in a PK if you use a substitute of PK. You can disinfect your PK before calling your routine and then add the # incriminated in your form called...

  When you call the form of the report, you place the PK with # in there, so when you call the form, replace it # with a ^ and then in the form of the front header process, evaluate your pk happened in and replace the ^ by a # when it is required...

  (I'd also look seriously to replace your generation of PK process)

  Thank you

  Tony Miller
  Webster, TX

  On the road of life... He has "windshield", and there are "bugs".
  (splat!)
  "Squeegees wanted."

  If you answer this question, please mark the thread as closed and give points where won...

• SQL Data Model 3.0 EA1 trying to create the primary key on OT

  Hello
  
  I am trying to change a primary key of a table of the object that has been reversed (imported) from an Oracle 11.2.x RDBMS and get the error message "the incomplete Index Definition. It is displayed in the window "columns transfer Index." I get to the window"properties of primary key 'by pressing the 'Properties' button on the 'table properties'-> 'Primary key'. If I try to change the expression, and then press Ok or apply buttons I get the error. With this be corrected in the production version? That we will be able to create a model in the SQL Developer Data Modeler, which generates a SQL statement similar to the following:
  
  ALTER TABLE x_flags
  ADD (CONSTRAINT x_flags_pk PRIMARY KEY (flags.id))
  
  ?
  
  Thank you
  Scott K

  Hi Scott,.

  I am trying to change a primary key of a table of the object that has been reversed (imported) from an Oracle 11.2.x RDBMS and get the error message "the incomplete Index Definition"... With this be corrected in the production version?

  Yes

  That we will be able to create a model in the SQL Developer Data Modeler, which generates a SQL statement similar to the following:

  ALTER TABLE x_flags
  ADD (CONSTRAINT x_flags_pk PRIMARY KEY (flags.id))

  I guess that 'flags' is the type of the object column and 'id' attribute of this type. I logged for this bug, there are however not for 3.0.

  Philippe

• Updating related Records primary key and FK dependencies

  (1) how can I found the name of all the tables that use my primary key as a foreign key? The primary key is of type varchar and used in many other paintings. Now PK records must be changed by the customer's request, so it will affect obviously all of my dependent tables.
  (2) which corresponds to the PL/SQL script more efficient to perform this procedure?
  All suggestions will be useful.
  
  To test, I think I want a list of all tables in followed by a list of all affected records. This report must show registration PK & all records in dependence requiring an update. Is this reasonable?

  user10998542 wrote:
  (1) how can I found the name of all the tables that use my primary key as a foreign key? The primary key is a varchar and used in many other paintings. Now PK records must be changed by the customer's request, so it will affect obviously all of my dependent tables.

  Discover the view USER_CONSTRAINTS. You could do something like this:

  SELECT     UC.OWNER
  ,     UC.TABLE_NAME
  ,     UC.R_OWNER
  ,     RUC.TABLE_NAME
  ,     UC.R_CONSTRAINT_NAME
  ,     RUC.CONSTRAINT_TYPE
  FROM     USER_CONSTRAINTS UC
  ,     USER_CONSTRAINTS RUC
  WHERE     UC.R_OWNER          = RUC.OWNER
  AND     UC.R_CONSTRAINT_NAME     = RUC.CONSTRAINT_NAME
  AND     UC.CONSTRAINT_TYPE     = 'R'
  

  If you need names of columns, you can use the USER_CONS_COLUMNS view also.

  (2) which corresponds to the PL/SQL script more efficient to perform this procedure?
  All suggestions will be useful.

  [Tom Kyte: package Cascade | http://tkyte.blogspot.com/2009/10/httpasktomoraclecomtkyteupdatecascade.html]

• CHAR data type question

  Hi all
  
  This question is purely for updating my knowledge on the rules of comparison of data type for Oracle. I am referring
  [Types of oracle data | http://download.oracle.com/docs/cd/B28359_01/server.111/b28318/datatype.htm#i1960]
  and
  [Datatype comparison rules | http://download.oracle.com/docs/cd/B28359_01/server.111/b28286/sql_elements002.htm]
  
  So I understand that Oracle uses the semantics of white comparison comparing the CHAR data type. I was testing a few queries on the CHAR data type.
  

  SQL> SELECT col_1, LENGTH (col_1), col_2, LENGTH (col_2)
    2    FROM (SELECT CAST ('A' AS CHAR (2)) col_1, CAST ('A' AS CHAR (5)) col_2
    3            FROM DUAL)
    4   WHERE col_1 = col_2
    5  /
  
  CO LENGTH(COL_1) COL_2 LENGTH(COL_2)
  -- ------------- ----- -------------
  A              2 A                 5
  
  1 row selected.
  
  SQL> 

  But when I tried using the set operators to compare data from CHAR data type I got results that confused me.
  

  --DDL & DMLStatements For Sample Data
  
  CREATE TABLE TABLE_A
  (
  col_1 CHAR(10)
  );
  
  INSERT INTO TABLE_A(col_1) values ('A');
  INSERT INTO TABLE_A(col_1) values ('B');
  
  CREATE TABLE TABLE_B
  (
  col_2 CHAR(15)
  );
  
  INSERT INTO TABLE_B(col_2) values ('A');
  INSERT INTO TABLE_B(col_2) values ('B');

  For reviews of col_1 in the Table_A in Table_B col_2 I used two different methods:
  
  Using the sub-sub-queries/join method:

  SQL> SELECT a.col_1
    2    FROM table_a a
    3   WHERE a.col_1 IN (SELECT b.col_2
    4                       FROM table_b b)
    5  /
  
  COL_1
  ----------
  B
  A
  
  2 rows selected.

  I got the expected results. Now, I tried to achieve the same thing using a game operator (INTERSECT)
  Using Set operator (INTERSECTION):

  SQL> SELECT a.col_1
    2    FROM table_a a
    3  INTERSECT
    4  SELECT b.col_2
    5    FROM table_b b
    6  /
  
  no rows selected
  
  SQL> 

  I had to add the TRIM function to achieve the expected results:

  SQL> SELECT TRIM (a.col_1)
    2    FROM table_a a
    3  INTERSECT
    4  SELECT TRIM (b.col_2)
    5    FROM table_b b
    6  /
  
  TRIM(A.COL_1)
  ---------------
  A
  B
  
  2 rows selected.

  Could someone please explain why I get different results for the above mentioned methods? I hope that I don't miss any details in the documentation.
  
  Thanks in advance

  This might help:

  http://download.Oracle.com/docs/CD/B28359_01/server.111/b28286/queries004.htm#i2054381

  'If the select queries values of TANK with different lengths, then the returned value is VARCHAR2 with the length of the largest CHAR value."
  and
  'In queries using the set operators, Oracle does not make the implicit conversion between the data type groups.

  I guess that if the values are CHAR with lengths, then they will not be considered as being equal, even if it is the same value in both tables, bar the number of spaces at the end.

  I don't rely on the parameters of comparison; make it explicit - trim TANKS before being compared - or, better yet, don't use TANKS in the first place, replace them by of VARCHAR2.

  Published by: Boneist on August 25, 2009 16:41