Digital / use of the Index of Varchar BINARY not

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• Force the use of the index without advice

  Dear all,
  
  I'm a newbie in the world of oracle.
  
  I HAD POSTED THIS SAME QUESTION IN SQL AND PLSQL CATEGORY, but thought that I had posted in a wrong category, so I post the same question again here.
  
  Recently my boss asked me a question about the use of the index.
  
  He wants to force the index to use if the optimizer chooses not to use it.
  
  But limitattion is this boat reach the query or the code because it is taken directly by an application that we can not change the code.
  
  So how is - a can force a query to use index without giving advice.
  
  It should be for a particular query, it should not apply for all indexes in the database.
  
  I know a parameter "OPTIMIZER_INDEX_COST_ADJ. If you set this parameter correctly, you can force the optimizer to use index. But it has its own limitations.
  
  So I want an alternative to this option which can only be applied to a particular query that is run without the use of indicators.
  
  Because this is my first thread, sorry if I made any mistake by posting the question
  
  Thank you all in advance
  
  Kind regards
  Navin Bandi

  Hello

  Have you tried the oracle outlines.

  Concerning
  Anurag

• What is the most trouble free Mac OS to use with the collection master CS6? (not CC)

  What is the most trouble free Mac OS to use with the collection master CS6? (not CC)

  Unless 10.10 has features you really need, a restore is logical. It's a pain, but if you can't do the job, this is what is needed.

  Roll back MacOS is outside these forums, but I don't know that apple Support you can get to the right help. That's all I can say.

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• I am trying to cancel my subscription, you need now to an upgrade of system of use of the services.  I am not able to update at this time and your cancellation instructions do not lead me anywhere it is useful.

  I am trying to cancel my subscription, you need now to an upgrade of system of use of the services.  I am not able to update at this time and your cancellation instructions do not lead me anywhere it is useful.

  Hi Scott,.

  I checked your account details. There is no active member under your email address.

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• Use of the Index Inconstient

  I do some anyinteract queries and I noticed that the use of the spatial index is very inconsitent. For some queries, the spatial index gets used as planned and for other queries that I need to use an indicator of index to force the optimizer to use the spatial index instead of doing a full table scan. Oracle version is 11.2.0.3. I was wondering if anyone else has seen this kind of behavior. I saw a bug in metalink which refers to this question, but they were not updated in provided.

  Yes it is a problem. I have tables that have the geom in them, fully indexed and make a query space and return a digital ID and no flags required, but add the geom in the return game and all of a right to a table scan. It's troubling behavior.

• Regarding the use of the Index

  Hello
  
  I have some doubts about the index:
  
  1. What is the difference between the 2 index usage scenarios below:
  / * + index (an index_name) parallel (a, 4) * /.
  / * + parallel_index(a,index_name,4) * /.
  
  Are the same two these?
  
  2. What is scan limited index complete and full scan index?
  
  3. I have a table in the database and there a few indexes on some columns. How can I check if the index is Bitmap or B-Tree?
  
  
  Thank you
  AB

  1. What is the difference between the 2 index usage scenarios below:
  / * + index (an index_name) parallel (a, 4) * /.
  / * + parallel_index(a,index_name,4) * /.
  Are the same two these?

  No,
  First of all the two boards, use the index and the other to indicate to the optimizer to use 4 simultaneous servers to a parallel operation are

  The second is just an indication. He tells the optimizer to use 4 concurrent servers on partitioned indexes.

  2. What is scan limited index complete and full scan index?

  The full index scan simple block reads.
  Full Fast scan do multi block reads.

  3. I have a table in the database and there a few indexes on some columns. How can I check if the index is Bitmap or B-Tree?

  In user_ | all_dba_indexes. Index_type will be BITMAP or NORMAL

  Concerning
  Peter

  PS: Speaking of tips. This favorite, can answer most of these questions, much better that I can:
  http://www.Oracle.com/pls/db112/homepage

  Published by: Peter on March 26, 2013 13:47

• Optical digital work on the DVD and cable, but NOT on Youtube, Amazon Prime or applications.

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• Muse form used on the third server widgets does not

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• The use of the index in a loop for correctly?

  Hello world

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  Using the following diagram, I was expecting an array whose components are "tan (0) tan (1) tan (2) tan (3). Is there a problem with my schema?

  Thanks in advance!

  

  This isn't a specific LabVIEW 'problem' in fact, but on data types. Do you know the difference between integers and floating numbers to decimal?

  

• Several digital signatures by the same person works does not correctly

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• Use 6 s more: iPhone battery is not displayed and the time standby and use are the same, even I do not use it

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• Firefox indicates my homepage (my.yahoo) is set to the index and it will not display.

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• using indexes on varchar confusion with pl/sql collections

  Hi, I seek to learn the mechanics behind the collections and have done ok so far until I came across you try using the index of varchar.
  
  I use the following code: -.

  declare
    type address_lines_tab is table of varchar2(50)
      index by pls_integer;
  
    type address_tab is table of address_lines_tab
      index by varchar(40);
  
    type student_rec is record(
      first     varchar2(40),
      last      varchar2(40),
      address   address_tab
    );
  
    type student_tab is table of student_rec
      index by pls_integer;
  
    student   student_tab;
    i         number       := 0;
    v         varchar2(20);
    x         number       := 0;
  begin
    student(1).first := 'mike';
    student(1).last := 'jones';
    student(1).address('home')(1) := 'the manor';
    student(1).address('home')(2) := 'london';
    student(1).address('home')(3) := 'w12 4kf';
    student(1).address('term')(1) := '5 university';
    student(1).address('term')(2) := 'plymouth';
    student(1).address('term')(3) := 'pl22da';
    student(2).first := 'helen';
    student(2).last := 'roots';
    student(2).address('home')(1) := '1 little lane';
    student(2).address('home')(2) := 'hull';
    student(2).address('home')(3) := 'h45 4fd';
    student(2).address('term')(1) := '3 university';
    student(2).address('term')(2) := 'plymouth';
    student(2).address('term')(3) := 'pl22da';
  
    for student_no in student.first .. student.last
    loop
      dbms_output.put_line(   'STUDNET NAME:'
                           || student(student_no).first
                           || ' '
                           || student(student_no).last);
  
      for add_type in
        student(student_no).address.first .. student(student_no).address.last
      loop
        dbms_output.put_line(student(student_no).address);
        for add_line in
          student(student_no).address(add_type).first .. student(student_no).address(add_type).last
        loop
          dbms_output.put_line(student(student_no).address(add_type)(add_line));
        end loop;
      end loop;
    end loop;
  end;

  the problem I have is in the second loop when trying to display 2 different types of address (IE home and term).
  
  because its indexed by a varchar, I get the following error: -.
  ORA-06502: PL/SQL: digital or value error: character of number conversion error
  
  How can I get around that, when a loop in the associative arrays that are indexed by varchar?
  
  Thank you very much
  
  It's the exit, I expect to see:-

  STUDNET NAME:mike jones
  HOME
  the manor
  london
  w12 4kf
  TERM
  5 university
  plymouth
  pl22da
  STUDNET NAME:helen roots
  HOME
  1 little lane
  hull
  h45 4fd
  TERM
  3 university
  plymouth
  pl22da

  Hello..

  The problem is tat you can not use a "student (student_no).address.first" and "student (student_no).address.last" in a loop; because they are varchar2 index...

  Yo can use, something like that...

      nuStudent := student(student_no).address.count;
      for add_type in 1 ..nuStudent 
  

• Why the data tablespace is used to rebuild indexes?

  11.2.0.3/RHEL 5.8
  
  We were doing a REBUILD of Index and we got the following error message. I was under the impression that temporary tablespace is used to index
  Reconstructions. But oracle used the tablespace intended to data (GTMLP_OAT_DATA) for reconstruction, as shown below. This is the expected behavior?
  

  SQL>   ALTER INDEX IDX_CSD_CLIENT_PROF REBUILD PARALLEL 6;
    ALTER INDEX IDX_CSD_CLIENT_PROF REBUILD PARALLEL 6
  
  ERROR at line 1:
  ORA-12801: error signaled in parallel query server P011, instance tandhwr199:HMKRAP2 (3)
  ORA-30032: the suspended (resumable) statement has timed out
  ORA-01652: unable to extend temp segment by 1024 in tablespace GTMLP_OAT_DATA

  -User is correctly assigned a temporary tbs

  SQL> select username, DEFAULT_TABLESPACE , TEMPORARY_TABLESPACE from dba_users where username = 'GTMLP_01';
  
  USERNAME                       DEFAULT_TABLESPACE             TEMPORARY_TABLESPACE
  ------------------------------ ------------------------------ ------------------------------
  GTMLP_01                    GTMLP_OAT_DATA                 GTMLP_TEMP

  It is true, GTMLP_OAT_DATA had actually run out of space.

  So is my hypothesis tha only temporary with is used for the Index rebuild is bad?

  Yes, your assumption is false. Temporary tablespace will be or could be used for sorting (large kinds) which is one of the steps in create index. Rest of the steps will be in the form of temporary to permanent tablespace segments. Here is your answer:

  Rebuilt indexes use temp or system tablespace tablespace?