How to display literals in the SELECT because of a condition results column?

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• There is no possibility of ambiguity in the SELECT clause because any identifier in the SELECT clause must be a database column name

  Hello

  Doc Oracle says the following on the identifiers in the SELECT in PL/SQL clause: there is no possibility of ambiguity in the SELECT clause because any identifier in the SELECT clause must be a database column name.

  If we assume that only valid column identifier are allowed in the SELECT clause.

  But I tried the following:

  DECLARE
  toto NUMBER := 10;
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  rep0ne wrote:

  Hello

  Doc Oracle says the following on the identifiers in the SELECT in PL/SQL clause: there is no possibility of ambiguity in the SELECT clause because any identifier in the SELECT clause must be a database column name.

  If we assume that only valid column identifier are allowed in the SELECT clause.

  Post a link to this Oracle doc.

  But I tried the following:

  1. DECLARE
  2. Toto NUMBER: = 10;
  3. Auntie NUMBER: = 0;
  4. BEGIN
  5. SELECT toto IN Auntie FROM Employees WHERE employee_id = 101;
  6. DBMS_OUTPUT. Put_line (Auntie);
  7. END;
  8. /

  And there is no error telling me that toto is not a column in the employees table and the result is the same as: toto: = aunt;

  ...

  You're right that toto is an identifier, but this isn't a column name.  (Of a subquery) column alias are not database of the names of columns either, nor are the names of the user-defined function.

  Also, there is a possibility for ambiguity even if all the names are the database column names.

  Won't the doc or did I just miss something?

  I can't say until I see the doc you're talking about.

  Oracle documentation is sometimes misleading and sometimes just plain wrong.  For each mistake outright example that I saw in the docs of Oracle, there might be 20 cases where the meaning is unclear or misleading and maybe 200 where I just read it wrong.

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  The code can display acceleration on the screen of the playbook.

  But, when fprintf (f, "X (m/s2), Accel Accel Y (m/s2), Accel Z (m/s2) \n" ") runs, debug displays no source available.

  ??

  Does anyone know how to solve the problem, which writes data to a file?

  The code is below.

  /*
  * Copyright (c) 2011 Research In Motion Limited.
  *
  Licensed under the Apache License, Version 2.0 (the "license");
  * You may not use this file except in compliance with the license.
  * You can get a copy of the license at
  *
  www.Apache.org/licenses/license-2.0
  *
  * Unless required by the applicable law or agreement written, software
  * distributed under the license is distributed on an "AS IS" BASIS.
  * WITHOUT WARRANTIES OR CONDITIONS of ANY KIND, express or implied.
  * See the license for the specific language governing permissions and
  * limitations under the license.
  */

  #include
  #include
  #include
  #include
  #include
  #include
  #include
  #include
  #include
  #include

  /**
  The milliseconds between the accelerometer readings. It's the same thing
  * rate in which the accelerometer data will be updated
  * material. The update of material rate is below to help
  * accelerometer_set_update_frequency (FREQ_40_HZ).
  */
  public static const int ACCELEROMETER_MAX_POLL_INTERVAL = 25;

  public static screen_context_t screen_ctx;
  public static screen_window_t screen_win;
  dialog_instance_t main_dialog = 0;

  paused int = 0;

  The forces of the accelerometer
  float force_x, force_y, force_z;

  file elements
  int _logcounter = 0;
  FullName Char [256];
  FILE * f;

  /**
  * Use the PID to set the id of Group window.
  */
  public static char
  get_window_group_id()
  {
  public static char s_window_group_id [16] = "";
  If (s_window_group_id [0] == '\0') {}
  snprintf (s_window_group_id, sizeof (s_window_group_id), "%d", getpid());
  }
  Return s_window_group_id;
  }

  /**
  * Set up a basic screen, so that the browser will be
  * Send window state events when the State of the window changes.
  *
  * @return @c EXIT_SUCCESS or EXIT_FAILURE @c
  */
  public static int
  setup_screen()
  {
  If (screen_create_context (& screen_ctx, SCREEN_APPLICATION_CONTEXT)! = 0) {}
  Return EXIT_FAILURE;
  }
  If (screen_create_window (& screen_win, screen_ctx)! = 0) {}
  screen_destroy_context (screen_ctx);
  Return EXIT_FAILURE;
  }
  use of int = SCREEN_USAGE_NATIVE;
  If (screen_set_window_property_iv (screen_win, SCREEN_PROPERTY_USAGE, & use)! = 0) goto fail;
  If (screen_create_window_buffers (screen_win, 1)! = 0) goto fail;
  If (screen_create_window_group (screen_win, get_window_group_id())! = 0) goto fail;
  buff screen_buffer_t;
  If (screen_get_window_property_pv (screen_win, SCREEN_PROPERTY_RENDER_BUFFERS, (void *) & buff)! = 0) goto fail;
  buffer_size int [2];
  If (screen_get_buffer_property_iv (buff, SCREEN_PROPERTY_BUFFER_SIZE, buffer_size)! = 0) goto fail;
  int attributes [1] = {SCREEN_BLIT_END};
  If (screen_fill (screen_ctx, chamois, attributes)! = 0) goto fail;
  int dirty_rects [4] = {0, 0, buffer_size [0], buffer_size [1]};
  If (screen_post_window (screen_win, buff, 1, (const int *) dirty_rects, 0)! = 0) goto fail;
  Return EXIT_SUCCESS;
  in case of failure:
  screen_destroy_window (screen_win);
  screen_destroy_context (screen_ctx);
  Return EXIT_FAILURE;
  }

  /**
  * Rotates the screen at the specified angle.
  *
  @param angle angle to rotate the screen.  Must be 0, 90, 180 or 270.
  *
  * @return @c EXIT_SUCCESS on success, to another @c EXIT_FAILURE
  */
  public static int
  rotate_screen (int angle)
  {
  If ((angle! = 0) & (angle! = 90) & (angle! = 180) & (angle! = 270)) {}
  fprintf (stderr, "Invalid Angle\n");
  Return EXIT_FAILURE;
  }
  int rc;
  int rotation;
  RC = screen_get_window_property_iv (screen_win, SCREEN_PROPERTY_ROTATION, & rotation);
  If (rc! = 0) {}
  fprintf (stderr, "error getting the window of the screen rotation: %d\n", rc);
  Return EXIT_FAILURE;
  }
  int size [2];
  RC = screen_get_window_property_iv (screen_win, SCREEN_PROPERTY_BUFFER_SIZE, size);
  If (rc! = 0) {}
  fprintf (stderr, "error getting size memory buffer window screen: %d\n", rc);
  Return EXIT_FAILURE;
  }
  int temp;
  switch (angle - rotation) {}
  case - 270:
  case - 90:
  decision 90:
  case 270:
  Temp = size [0];
  size [0] = size [1];
  size [1] = temp;
  break;
  by default:
  break;
  }
  RC = screen_set_window_property_iv (screen_win, SCREEN_PROPERTY_ROTATION, &angle);)
  If (rc! = 0) {}
  fprintf (stderr, "screen rotation window for parameter error: %d\n", rc);
  Return EXIT_FAILURE;
  }
  RC = screen_set_window_property_iv (screen_win, SCREEN_PROPERTY_SIZE, size);
  If (rc! = 0) {}
  fprintf (stderr, "error creating window screen size: %d\n", rc);
  Return EXIT_FAILURE;
  }
  RC = screen_set_window_property_iv (screen_win, SCREEN_PROPERTY_SOURCE_SIZE, size);
  If (rc! = 0) {}
  fprintf (stderr, "error creating window screen size: %d\n", rc);
  Return EXIT_FAILURE;
  }
  RC = screen_set_window_property_iv (screen_win, SCREEN_PROPERTY_BUFFER_SIZE, size);
  If (rc! = 0) {}
  fprintf (stderr, "error creating window buffer size of the screen: %d\n", rc);
  Return EXIT_FAILURE;
  }
  Return EXIT_SUCCESS;
  }

  /**
  To manage an event of navigator.
  *
  * @return @c the value true if the application should shut down, another fake.
  */
  public static bool
  handle_navigator_event(bps_event_t *Event)
  {
  bool should_exit = false;
  switch (bps_event_get_code (event)) {}
  case NAVIGATOR_EXIT:
  should_exit = true;
  break;
  case NAVIGATOR_ORIENTATION_CHECK:
  navigator_orientation_check_response (event, true);
  break;
  case NAVIGATOR_ORIENTATION:
  {
  int angle = navigator_event_get_orientation_angle (event);
  If (rotate_screen (angle) == EXIT_FAILURE) {}
  should_exit = true;
  }
  navigator_done_orientation (Event);
  break;
  }
  }
  Return should_exit;
  }
  /**
  * Display an alert dialog box that contains the location data.
  */
  public static void
  show_main_dialog()
  {
  If {(main_dialog)
  return;
  }
  dialog_create_alert(&main_dialog);
  dialog_set_alert_message_text (main_dialog, "Acceleration to first fix");
  dialog_set_size (main_dialog, DIALOG_SIZE_FULL);
  dialog_set_group_id (main_dialog, get_window_group_id());
  dialog_set_cancel_required (main_dialog, true);
  dialog_show (main_dialog);
  }

  /**
  * Displays geolocation data in the main dialog box.
  */
  public static void
  display_acceleration_data (float force_x, float force_y, float force_z) {}
  char buf [1024];
  snprintf (buf, sizeof buf,
  "\tX: m\n % 7.3.f.
  "\tY: m\n % 7.3.f.
  "\tZ: m\n % 7.3.f."
  force_x, force_y, force_z);
  dialog_set_alert_message_text (main_dialog, buf);
  dialog_update (main_dialog);
  }

  void createafile() {}
  sprintf (fullname, "shared/documents/Raw-%d.txt",_logcounter);
  {if(f==null)}
  file does not exist
  f = fopen (fullname, "r");
  {while(f!=null)}
  file exists
  fclose (f);
  ++ _logcounter;
  sprintf (fullname, "shared/documents/Raw-%d.txt",_logcounter);
  f = fopen (fullname, "r");
  }
  }
  }

  write data to the file
  void writedataintofile() {}
  f = fopen (fullname, "w");
  fprintf (f, "X (m/s2), Accel Accel Y (m/s2), Accel Z (m/s2) \n" ");
  fprintf (f, "" 7% 7% .3f, .3f, %7.3f\n ', force_x, force_y, force_z ");
  fclose (f);
  }

  /**
  * A sample application shows the native APIs of BlackBerry for accelerometer.
  * The example initializes and reads the accelerometer periodically until one
  * NAVIGATOR_EXIT event is received.
  Enforcement also tuned to changes status window in the browser so that
  * It can stop reading the accelerometer when the application is no longer visible.
  */
  int main (int argc, char * argv {})
  bool exit_application = false;
  /*
  * Until we can listen for events from the BlackBerry Tablet OS platform
  * services, we need to initialize the BPS infrastructure
  */
  bps_initialize();
  /*
  * Once the BPS infrastructure has been initialized, we can save to
  * events of different services of BlackBerry Tablet OS platform. The
  * Browser service manages and provides the life cycle of application and
  * events of visibility.
  For the example, we ask browser events so that we can follow when
  * the system ends the application (NAVIGATOR_EXIT event). This allows to
  * us to clean up resources in the application.
  */
  navigator_request_events (0);
  dialog_request_events (0);
  /*
  * Initialize the screen so that the Windows Id is correctly set, to allow
  * dialogs to display.
  */
  If (setup_screen()! = EXIT_SUCCESS) {}
  fprintf (stderr, "Failed to initialize the screen.");
  Exit (-1);
  }
  /*
  * Once the BPS infrastructure has been initialized, we can save to
  * events of different services of BlackBerry Tablet OS platform. The
  * Browser service manages and provides the life cycle of application and
  * events of visibility.
  *
  For the example, we ask browser events so that we can follow when
  * the system ends the application (NAVIGATOR_EXIT event).
  *
  * We ask events of dialogue so that we can be notified when the service of dialogue
  * answers to our queries/requests.
  */
  If (BPS_SUCCESS! = navigator_request_events (0)) {}
  fprintf (stderr, "error asking navigator events: %s", strerror(errno) (errno));
  Exit (-1);
  }
  If (BPS_SUCCESS! = dialog_request_events (0)) {}
  fprintf (stderr, "error asking dialog events: %s", strerror(errno) (errno));
  Exit (-1);
  }
  /*
  * Create and display the dialog box that displays the data from the accelerometer.
  */
  show_main_dialog();
  /*
  Prior to initialize the accelerometer function, we must ensure the unit
  * takes in charge
  */
  If (sensor_is_supported (SENSOR_TYPE_ACCELEROMETER)) {}
  /*
  * If the device does not support the accelerometer so warn the user,.
  * clean in and out
  */
  public static const int SENSOR_RATE = 40;
  sensor_set_rate (SENSOR_TYPE_ACCELEROMETER, SENSOR_RATE);
  sensor_request_events (SENSOR_TYPE_ACCELEROMETER);

  }
  /*
  * Initialize the accelerometer setting the rate at which the
  * accelerometer values will be updated material
  */
  accelerometer_set_update_frequency (FREQ_40_HZ);

  /*
  Treat browser events and take the accelerometer readings periodically
  * until we receive a NAVIGATOR_EXIT event.
  */
  createafile();
  f = fopen (fullname, "w");

  While (! exit_application) {}
  /*
  * By setting the timeout to bps_get_event to ACCELEROMETER_MAX_POLL_INTERVAL,
  * We assign the maximum duration (in millis) who will wait before
  * release so that we can take a reading of the accelerometer.
  */
  bps_event_t * event = NULL;
  bps_get_event (& event, ACCELEROMETER_MAX_POLL_INTERVAL);

  If {(event)
  If (bps_event_get_domain (event) is {sensor_get_domain()})
  /*
  * We woke up. See if we are in the paused state. If not,
  take a reading of the accelerometer
  */
  If (! pause) {}
  sensor_event_get_xyz (event, & force_x, & force_y, & force_z);
  display_acceleration_data (force_x, force_y, force_z);
  fprintf (f, "X (m/s2), Accel Accel Y (m/s2), Accel Z (m/s2) \n" ");
  fprintf (f, "" 7% 7% .3f, .3f, %7.3f\n ', force_x, force_y, force_z ");
  } //paused
  }
  / * If this is an event of the dialog box, determine the response code and handle
  * the event accordingly.
  */
  {ElseIf (bps_event_get_domain (event) == dialog_get_domain() {)}
  ;
  }
  /*
  * If it's a NAVIGATOR_EXIT event and then set the exit_application
  * indicator so that the application stops processing events, clean and
  * output.
  */
  {ElseIf (bps_event_get_domain (event) == navigator_get_domain() {)}
  exit_application = handle_navigator_event (event);
  }
  } //if event
  } //while
  /*
  * Destroy the dialog box, if it exists.
  */
  If {(main_dialog)
  dialog_destroy (main_dialog);
  }

  fclose (f);

  /*
  * Clean the infrastructure bps and output
  */
  sensor_stop_events (SENSOR_TYPE_ACCELEROMETER);
  bps_shutdown();
  screen_destroy_window (screen_win);
  screen_destroy_context (screen_ctx);
  return 0;
  } //main

  Hello

  As I said on your other thread:

  In order to write in the shared directory/documents, your application should request action "access_shared" and it must be granted by the user. Make sure you have

  access_shared

  in your bar - descriptor.xml.

  Also note that the shared documents folder may not be the best place to write the application log data. There is one connects / in the sandbox to this effect, or the application directory data / directory if the information should be persisted. The documents/shared/folder is designed for documents that the user creates or interacts with.

  HTH,

  Christian

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• How to display data from the emp table?

  Hi everyone, this is my first post in this portal. I want to display the details of the table emp... for this I use this SQL statement.
  
  Select * from emp where mgr = nvl(:mgr,mgr);
  
  When I give the entry as 7698 it shows the matching records... and also when I don't give any input then it shows all the records except the Archbishop with null values.
  
  (1) I want to display all the records when I do not give any input, including null values
  (2) I want to display all the records that a Bishop is null
  
  Is it possible to integrate in order to include all these in a single query.

  Hello

  937440 wrote:
  Hi everyone, this is my first post in this portal.

  Welcome to the forum!
  Don't forget to read the forum FAQ {message identifier: = 9360002}

  I want to display the details of the table emp... for this I use this SQL statement.

  Select * from emp where mgr = nvl(:mgr,mgr);

  When I give the entry as 7698 it shows the matching records... and also when I don't give any input then it shows all the records except the Archbishop with null values.

  (1) I want to display all the records when I do not give any input, including null values
  (2) I want to display all the records that a Bishop is null

  Is it possible to integrate in order to include all these in a single query.

  It's a little unsure what you're asking.
  The following query always includes the lines where mgr is NULL and when the binding variable: mgr is NULL, it displays all the lines:

  SELECT  *
  FROM     emp
  WHERE     LNNVL (mgr != :mgr)
  ;
  

  In other words, when: 7698 = mgr, it displays 6 rows and when: mgr is NULL, it displays 14 rows (assuming you are using the table provided by Oracle scott.emp).

  The following query includes lines where Bishop is ZERO only when the binding variable: mgr is NULL, in which case it shows all lines:

  SELECT     *
  FROM     emp
  WHERE     :mgr     = mgr
  OR       :mgr       IS NULL
  ;
  

  When: mgr = 7698, this will display 5 rows and when: mgr is NULL, it displays 14 rows.

  The following query includes lines where Bishop is ZERO only when the link variab; e: mgr is NULL, in which case it shows only those rows where mgr is NULL. In other words, it treats NULL as a value:

  SELECT     *
  FROM     emp
  WHERE     DECODE ( mgr
              , :mgr, 'OK'
              )     = 'OK'
  ;
  

  When: mgr = 7698, this will display 5 rows and when: mgr is NULL, it displays 1 row.

• How to display images in the Lightbox popup window or click the link to the map image Dreamweaver?

  I've built several image maps on a base image I want to use to display different pictures. I used successfully of Lightbox to display individual text pictures or thumbnails, but don't know how to make this work of image maps in Dreamweaver 8 and cannot even change the Dreamweaver onmouseover command coded so that it works from an action to click instead of a passage from the mouse that ridiculously open a popup window each time it is a passage of the mouse the map image.

  OnMouseClick nor onclickonly allow me to change the action that I would really rather have open in the viewer anyway.

  Here's what Dreamweaver is scripted for me (with a few small jacking to run):

  < area onclick = "CSAction (new Array(/*CMP*/'sp01')); "return CSClickReturn()' shape ="circle"coords ="552,439,9"href =" # "rel ="lightbox [kitchen]"title =" "alt =" "onclick =" MM_openBrWindow (' I / 01.jpg ', ", 'resizable = yes, width = 667, height = 505') ' csclick ="sp01"/ >"

  And here's what I usually script Lightbox text or thumbnail image link, but do not know how combine this with Dreamweaver image map code to make it work:

  "< a href ="... /... /.. "/ I/image.jpg" rel = "lightbox [kitchen]" title = "Title" > link text (or tile) < /a >

  I have problems with file is available online at:

  http://lifegivingspring.info/LGs/about/study/siteplan/

  I can see your problems, so I changed the image with your arrows and put some fotos below them in the lightbox you want:

  The upperone with the visibly frames (frames set to '1') of the worksheet, the other is completely identical, I only put managers to '0 '.

  OK dstx, please take a look once more here: http://www.goldschmiede-blumberg.de/PartnerringeAm.php.

  Hans G.

  HCH