Can I use a variable of environment inside a *.sql file?

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• Can I use a variable in a slider?

  Version of DB 10g
  Developer SQL 3.
  
  Hi once again, everything
  
  This post is a result of the post previous 'Sequence increment by 2 and not 1.'
  
  Here's a quick run down of what I do.
  We have historical records dating back decades and decades and decades (1900). Some of the most recent data were recorded in the worksheets. With some manipulation of data, it was possible to reorganize the data in its forms of entry in a flat file. These data were then imported into Access database, then using SQL Developer I made a data base for each access database connection and used copy for Oracle... tool to create a table in my flat file schema. In test data that I have right now that I copied the 5 access to Oracle databases and the results are five paintings called plot_84, plot_151 etc. I created a database that contains four main tables where the data from the flat files must be inserted, to standardize the it (I think the sentence is).
  
  I with the help of a large number has been able to train the following anonymous block, and it works very well (with the exception of the question of sequencing).
  
  

  DECLARE get_plot_measurement_id NUMBER;
  update_plot_measurements VARCHAR2(4000);
  get_tree_id NUMBER;
  get_plot_id NUMBER;
  
  BEGIN
      --1. Initiate insert process by getting PK from psp_plots
      SELECT plot_id INTO get_plot_id FROM psp_plots WHERE plot_name = 84; 
      
      --2. Insert records into psp_plot_measurements and keep relationship with psp_plots with variable get_plot_id.
      --   and get primary key value of psp_plot_measurements to insert into psp_tree_measurements during loop process.
      INSERT INTO psp_plot_measurements (plot_id) VALUES (get_plot_id) RETURNING plot_measurement_id INTO get_plot_measurement_id;    
      
      --3. Update record created at point 2.
      UPDATE psp_plot_measurements
         SET measurement_date    = (SELECT DISTINCT measurement_date FROM plot_84)
           , codominant_height   = (SELECT DISTINCT codominant_height FROM plot_84)
           , assessor            = (SELECT DISTINCT assessor FROM plot_84)
       WHERE plot_measurement_id = get_plot_measurement_id
       ; 
    
      --4. Open cursor to insert rows one at a  time and maintain relationships between related tables.
      FOR c1 IN
        (SELECT tree_number 
           FROM plot_84
        )
        
        LOOP      
      
          --5. Insert record into psp_trees
          --   and get primary key value of psp_trees to insert into psp_tree_measurements
          INSERT INTO psp_trees (plot_id, tree_name) VALUES (get_plot_id, c1.tree_number) RETURNING tree_id INTO get_tree_id;
      
          --6. Insert records into psp_tree_measurements and keep relationship with psp_trees with variable get_tree_id.
          INSERT INTO psp_tree_measurements (plot_measurement_id, tree_id) VALUES (get_plot_measurement_id, get_tree_id);
      
        END LOOP;
  
  END;
  /

  But me being someone who loves jobs mind numbing again and again, and more (about 1000 times x, who knows) still wants something I can preload a list of arrays of flat file (5 in this example) and just not run it.
  
  The problem is the following:
  Can I use a variable in a cursor, how are hilighted in bold below.
  
  "BOLD" has not worked is the bit of code FOR c1 IN (SELECT tree_number FROM plot_ | col_name_var) you will see just under point 4 below
  

  DECLARE p_column_num NUMBER;
  col_name_var VARCHAR2(30);
  type number_ptb IS table OF VARCHAR2(4000);
  p_column_nam number_ptb;    
  get_plot_measurement_id NUMBER;
  update_plot_measurements VARCHAR2(4000);
  get_tree_id NUMBER;
  get_plot_id NUMBER;
  
  BEGIN
  
      p_column_num := 5;
      p_column_nam := number_ptb();
      p_column_nam.extend(6);
  
      p_column_nam(1) := 84;
      p_column_nam(2) := 151;
      p_column_nam(3) := 152;      
      p_column_nam(4) := 214;
      p_column_nam(5) := 283;
  
      FOR loop_int IN 1 .. p_column_num
      LOOP
  
        col_name_var := p_column_nam(loop_int);
  
  --1. Initiate insert process by getting PK from psp_plots
        SELECT plot_id INTO get_plot_id FROM psp_plots WHERE plot_name = col_name_var; 
      
  --2. Insert records into psp_plot_measurements and keep relationship with psp_plots with variable get_plot_id.
  --   and get primary key value of psp_plot_measurements to insert into psp_tree_measurements during loop process.
        INSERT INTO psp_plot_measurements (plot_id) VALUES (get_plot_id) RETURNING plot_measurement_id INTO get_plot_measurement_id;    
      
  --3. Update record created at point 2.
        update_plot_measurements := '
        UPDATE psp_plot_measurements
           SET measurement_date    = (SELECT DISTINCT measurement_date FROM plot_' || col_name_var ||')
             , plot_size_10_30cm   = (SELECT DISTINCT plot_size_10_30cm FROM plot_' || col_name_var ||')
             , plot_size_30_50cm   = (SELECT DISTINCT plot_size_30_50cm FROM plot_' || col_name_var ||')
             , plot_size_50cm      = (SELECT DISTINCT plot_size_50cm FROM plot_' || col_name_var ||')
             , codominant_height   = (SELECT DISTINCT codominant_height FROM plot_' || col_name_var ||')
             , assessor            = (SELECT DISTINCT assessor FROM plot_' || col_name_var ||')
         WHERE plot_measurement_id = ' || get_plot_measurement_id
         ;
   
         EXECUTE IMMEDIATE update_plot_measurements;
    
  --4. Open cursor to insert rows one at a  time and maintain relationships between related tables.
        FOR c1 IN (SELECT tree_number FROM plot_|| col_name_var )   
            LOOP      
      
  --5. Insert record into psp_trees
  --   and get primary key value of psp_trees to insert into psp_tree_measurements
              INSERT INTO psp_trees (plot_id, tree_name) VALUES (get_plot_id, c1.tree_number) RETURNING tree_id INTO get_tree_id;
      
  --6. Insert records into psp_tree_measurements and keep relationship with psp_trees with variable get_tree_id.
              INSERT INTO psp_tree_measurements (plot_measurement_id, tree_id) VALUES (get_plot_measurement_id, get_tree_id);
      
            END LOOP;
    END LOOP;
    
  END;
  /

  Reviews on my welcome code.
  
  Ben
  
  Published by: benton on Sep 1, 2011 11:31
  
  Published by: benton on Sep 1, 2011 11:32
  
  Published by: benton on Sep 1, 2011 11:34

  with your current model, you need to write once for each table or write dynamic SQL regardless of the bulk of collect. adding most collect simply means you can do all the inserts in a single step and generally average performance benefits (see docco to COLLECT in BULK and for ALL).

  However, it is not really solve your problem.

  can I suggest an ETL step where you move all of the data in a table, then cross and run this function on all resulting?

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  K

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• How many times can I use a variable binding in a query of the VO?

  Is it possible that I can use a variable binding in a query of VO just once?

  I test a query that keeps throwing the Houston-27122 error by pressing the application module tester. I tried to limit the problem to the simplest possible case, and it seems that the error is caused by the fact that I use the same variable bind two or more times.

  When the query looks like this:

  

  I have run, enter 'x' and it returns me the result.

  When I change to:

  

  I have run, enter the value

  

  and immediately get the error

  

  The same thing in sqlplus runs without problem:

  

  My version of JDev is build JDEVADF_11.1.1.9.0_GENERIC_150314.0718.6673

  Please, advise.

  P. S. where can I find documentation queries are supported in your? In particular, I'm interested if I can use WITH the clause. There seems to be some confusion on this matter (see, for example, Oracle SQL WITH clause support - JDeveloper and ADF)

  Thank you.

  It depends on:

  Open your VO in JDev and go the the query page.

  In the lower part, there is a drop down 'link type', it is usually set to "JDBC-positional. In this case, you will need to provide the bind value for each occurrence of the variable binding separately.

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  Good bye

  DPT

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  So I want to replace the TextField1 dynamically with all the fields in the syntax below. So, can we put a variable in the position of TextField1? If so, how can I do that?

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  Closure of the TABLE

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  Pls. Let me know I can sue a variable like this? If so, what is the correct syntax (pls.  Suggest me a free code to SYNTAX error, bcz am very very beginner to this)

  Thank you

  Thank you

  You can use the following...

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  $myvariable = TextField1

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