Problem with the primary key and indexes

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• Problems with the primary key of the query string

  Moving from asp to php, to work with David Power's book: The Essential Guide to Dreamweaver CS4 with CSS, AJAX, and PHP.  Recycling of my brain, so starting from scratch in the learning process.

  Everything was going perfectly until I tried to add the primary key of a record in a query string.  I compared my code with the example code for the book, and everything matches.  When previewing the page in my browser and hover over the link which must pass the main code on the next page, the query string does not appear correctly.  It shows user_id = but no figure shows, as it is supposed to.  www.webpage.com/update_user.php?user_id=

  Here is my code: (Please note, <>have been removed, as I was unable to find a way view the code in the correct way here (copy/paste was doesn't work do not, nor insert syntax))

  ? PHP {?}

  ? PHP echo $row_listUser ['family_name'];? PHP echo $row_listUser ["FirstName"];?

  ? PHP echo $row_listUser ['username'];?       ? PHP echo $row_listUser ["admin_priv"];?

  a href = "update_user.php? user_id =? php echo $row_listUser ['user_id'];?" "Edit / has

  a href = "delete_user.php? user_id =? php echo $row_listUser ['user_id'];?" ' Delete / has

  ? PHP} while ($row_listUser = mysql_fetch_assoc ($listUser));?

  Any ideas that could help me understand why this part does not in particular would be greatly appreciated.  Writing to the database worked perfectly, I see that there are numbers in the database as user_id, and it is defined as my primary key in the configuration database.  Such a simple process that is causing me headaches!

  Thank you

  You have the code to request a copy in your folder:

  $query_listUser = 'SELECT user_id, username, first_name, family_name, admin_priv from users ORDER BY family_name ASC';

  $listUser = mysql_query ($query_listUser, $connSCFDIR) or die (mysql_error ());

  $row_listUser = mysql_fetch_assoc ($listUser);

  $totalRows_listUser = mysql_num_rows ($listUser);

  $query_listUser = 'SELECT username, first_name, family_name, admin_priv from users ORDER BY family_name ASC';

  $listUser = mysql_query ($query_listUser, $connSCFDIR) or die (mysql_error ());

  $row_listUser = mysql_fetch_assoc ($listUser);

  The $listUser table will contain the results of the second query, which does not include the field user_id. delete the redundant code.

• Problem with the primary key

  Hi all
  I have a table with the same data repeat 2 times. I mean that the lines are depating twice. so now, I create a primary key for the table. He throws me an error saying voilation key primary. I'll give you the clear script.
  
  create table employee)
  ID VARCHAR2 (4 BYTE) NOT NULL,
  First name VARCHAR2 (10 BYTE),
  VARCHAR2 (10 BYTE) last_name,
  START_DATE DATE,
  End_date DATE,
  Number (8.2) of salary.
  City VARCHAR2 (10 BYTE),
  Description VARCHAR2 (15 BYTE)
  )
  
  
  insert into employee values ('01', 'Jason', 'Martin', to_date('19960725','YYYYMMDD'), to_date('20060725','YYYYMMDD'), 1234.56, 'Toronto', 'Program');
  insert into employee values ('02', "Alison", "Mathews', to_date('19760321','YYYYMMDD'), to_date('19860221','YYYYMMDD'), 6661.78, 'Vancouver', 'Tester');
  insert into employee values ('03', 'James', 'Smith', to_date('19781212','YYYYMMDD'), to_date('19900315','YYYYMMDD'), 6544.78, 'Vancouver', 'Tester');
  insert into employee values ('04', 'Celia', 'Rice', to_date('19821024','YYYYMMDD'), to_date('19990421','YYYYMMDD'), 2344.78, "Vancouver", "Manager");
  insert into employee values ('05', 'Robert', 'Black', to_date('19840115','YYYYMMDD'), to_date('19980808','YYYYMMDD'), 2334.78, 'Vancouver', 'Tester');
  insert into employee values ('07', 'David', 'Larry', to_date('19901231','YYYYMMDD'), to_date('19980212','YYYYMMDD'), 7897.78, 'New York', 'Manager');
  insert into employee values ('06', 'Linda', 'Green', to_date('19870730','YYYYMMDD'), to_date('19960104','YYYYMMDD'), 4322.78, 'New York', 'Tester');
  insert into employee values ('08', 'James', 'Cat', to_date('19960917','YYYYMMDD'), to_date('20020415','YYYYMMDD'), 1232.78, 'Vancouver', 'Tester')
  insert into employee values ('07', 'David', 'Larry', to_date('19901231','YYYYMMDD'), to_date('19980212','YYYYMMDD'), 7897.78, 'New York', 'Manager');
  insert into employee values ('06', 'Linda', 'Green', to_date('19870730','YYYYMMDD'), to_date('19960104','YYYYMMDD'), 4322.78, 'New York', 'Tester');
  
  
  The table is now with 10 columns
  
  ID FIRST_NAME LAST_NAME START_DAT END_DATE SALARY CITY DESCRIPTION
  ---- ---------- ---------- --------- --------- ---------- ---------- ---------------
  Jason Martin 25 July 96 01 25 July 06 1234.56 Toronto programmer
  02 Alison Mathews 21 March 76 February 21, 86 6661.78 Vancouver Tester
  03 James Smith December 12, 78 March 15, 90 6544.78 Vancouver Tester
  04 Celia rice 24 October 82 21 April 99 2344.78 Vancouver Manager
  Robert Black 05 January 15, 84 8 August 98 2334.78 Vancouver Tester
  Linda Green 06 July 30, 87 January 4, 96 4322.78 tester of New York
  Manager of New York 07 David Larry 31 December 90 February 12, 98 7897.78
  08 James Cat 17-AUG-96 April 15 02 1232.78 ester of Vancouver
  
  
  Create a primary key for the table
  
  "Employee to ALTER TABLE PRIMARY KEY (ID, First_Name, Last_Name, start_date, end_date,
  Salary, city, Description); »
  
  I get error voilation primary key
  
  IS IT POSSIBLE TO CREATE THE KEY PRIMARY ON THE TABLE WITH ON THE DELETION OF THE DATA?
  Is IT POSSIBLE CREATING PRIMARY KEY USING 'GROUP BY' FUNCTION or OTHER FUNCTIONS?
  
  Published by: user11872870 on September 23, 2010 17:41

  Primary key columns cannot contain NULL values. If you tried to create a primary key constraint, you will get an error like this:

  ERROR at line 1:
  ORA-01449: column contains NULL values: cannot alter to NOT NULL
  

  However, you can add a unique constraint by doing something like the following:

  ALTER TABLE test ADD CONSTRAINT test_unq UNIQUE (column1, column2);
  

  I still wonder why you take the approach you take. I have a vague feeling that're missing us the key pieces of information to recommend the correct solution.

• problem with the locking insert and delete between two linked tables help please.

  Hi guys I have a problem with a table of locking in Oracle forms, but when I try in SQL happens here too many users. I was wondering if anyone can shed some light on this?
  
  I created two scenerios one that works and is not based on the primary key and foreign key constraints (but one that works is not possible for us because it would mean change design table that we can not do).
  
  I've hardcoded in 1127,1128 number to make it easier (in reality it is a sequence)
  
  OK scenerio one (our scenerio)
  
  two tables
  

   CREATE TABLE testSFLABPR 
     (     LABP_REF_IRN VARCHAR2(25 BYTE), 
       LABP_REF_REF VARCHAR2(30 BYTE), 
       LABP_REF_SL NUMBER(8,0), 
       LABP_CONFIG_ID NUMBER(8,0),
        CONSTRAINT PK_testLABPR_IRN_SL PRIMARY KEY (LABP_REF_IRN,LABP_REF_SL)
     ) ;
  
   CREATE TABLE testSFLABP 
     (     LABP_IRN VARCHAR2(25 BYTE), 
       LABP_OPNO NUMBER(3,0), 
       labp_no NUMBER(8,0),
        CONSTRAINT PK_testSFLABP PRIMARY KEY (LABP_IRN, LABP_OPNO, LABP_NO) ENABLE, 
        CONSTRAINT testFK_SFLABP_SFLABPR FOREIGN KEY (LABP_IRN,labp_no)
         REFERENCES TESTSFLABPR (LABP_REF_IRN,LABP_REF_SL) ENABLE
     ) ;

  OK now session is done the following
  

  DELETE FROM      testSFLABPR     WHERE   LABP_CONFIG_ID            = 1127;          
                 
  INSERT INTO testSFLABPR(
          LABP_REF_IRN,
          LABP_REF_SL,
          LABP_REF_REF,
          LABP_CONFIG_ID
          )
          VALUES
          (
          'SOPENSHELVING',
          1127,
          1127||'CF Route',
          1127
          );
          
  INSERT INTO testSFLABP
        (
        LABP_IRN,
        LABP_OPNO,
        LABP_NO)
  VALUES (
  'SOPENSHELVING',
  1,
  1127);

  session one remains in this State.
  
  second session now does the following

  DELETE     FROM testSFLABPR     WHERE   LABP_CONFIG_ID            = 1128;     

  second session is now locked until a commit or rollback occurs.
  
  If I run the exact scenerio even with only a primary key on the table without locks held
  

   CREATE TABLE testSFLABPR 
     (     LABP_REF_IRN VARCHAR2(25 BYTE), 
       LABP_REF_REF VARCHAR2(30 BYTE), 
       LABP_CONFIG_ID NUMBER(8,0),
        CONSTRAINT PK_testLABPR_IRN_SL PRIMARY KEY (LABP_REF_IRN)
     ) ;
  
   CREATE TABLE testSFLABP 
     (     LABP_IRN VARCHAR2(25 BYTE), 
       LABP_OPNO NUMBER(3,0), 
       labp_no NUMBER(8,0),
        CONSTRAINT PK_testSFLABP PRIMARY KEY (LABP_IRN, LABP_OPNO, LABP_NO) ENABLE, 
        CONSTRAINT testFK_SFLABP_SFLABPR FOREIGN KEY (LABP_IRN)
         REFERENCES TESTSFLABPR (LABP_REF_IRN) ENABLE
     ) ;

  INSERT INTO testSFLABPR(
          LABP_REF_IRN,
          LABP_REF_REF,
          LABP_CONFIG_ID
          )
          VALUES
          (
          'SOPENSHELVING',
          1127||'CF Route',
          1127
          );
          
  INSERT INTO testSFLABP
        (
        LABP_IRN,
        LABP_OPNO,
        LABP_NO)
  VALUES (
  'SOPENSHELVING',
  1,
  1127);

  DELETE     FROM testSFLABPR     WHERE   LABP_CONFIG_ID            = 1128;

  I hope I posted all the information that is relevant... version of DB were is Oracle Database 10g Release 10.2.0.3.0 - Production
  
  Any help is appreciated...

  Creating indexes on columns of the FK. Something like:

  CREATE INDEX testFK_SFLABP_SFLABPR_IDX
  ON testSFLABP(LABP_IRN,labp_no)
  /
  

  SY.

• Problems with the product key

  I have a mac book pro which has a partition with windows 7 pro (I SOUL, in the way that you need to restore the computer whenever you need to use the window). I installed fusion 3 for both systems without having to restart. I deleted the partition and tried to reinstalled the window. now, I have a problem with the product key, what can I do?

  Hi Lumareli,
   
  What is the error you get when you enter the product key?
   
  If you have difficulties to activate Windows 7, open the Windows Wizard of Activation in Windows 7 to use the phone and activate Windows:
   
  Try this and wait for a real person and explain what happened:
  
  a. Click Start, then in the Find box type slui.exe 4
  b. press enter on your keyboard.
  c. Select your country.
  d. Select the telephone activation option, then call and hold to a real person.
   
  Aziz Nadeem - Microsoft Support

  [If this post was helpful, please click the button "Vote as helpful" (green triangle). If it can help solve your problem, click on the button 'Propose as answer' or 'mark as answer '. [By proposing / marking a post as answer or useful you help others find the answer more quickly.]

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  Hi techon,.

  Welcome to the Microsoft answers site!

  Make sure that you not press CTRL when ESC is crossed.

  Please note the keys CTRL + ESC will bring up Start menu.

  You know, keyboard shortcuts
  http://Windows.Microsoft.com/en-us/Windows-Vista/keyboard-shortcuts

  If the problem persists, you can follow the steps mentioned in the link below:

  Troubleshoot wired keyboards that do not or only the erroneous characters category

  http://support.Microsoft.com/kb/258826

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  Thank you, and in what concerns:

  Ajay K

  Microsoft Answers Support Engineer

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• I started having problems with the wireless mouse and the carpet of my laptop - Lenovo ThinkPad T420 mouse.

  Original title: right click on the mouse itself activating

  I borrowed a USB to a person at work and I started having problems with the wireless mouse and the carpet of my laptop - Lenovo ThinkPad T420 mouse. The left click of two devices works normally, however, sometimes she does not respond to clicks and it takes a few seconds to work. The left button was constantly starts to turn on, as if he was stuck. After that I hit Alt + Tab and modify windows it stops for a few moments and starts at a later date. I havo not found a specific condition or a combination of keys that may trigger the fault.

  I read a few posts on discussion forums, but all say that it could be a hardware problem, which I think is not, because both devices have the same problem and I'm sure it all started with the insertion of the borrowed memory stick. I scanned the readers to help Symantec's EndPoint Protection and installed Microsoft Security Essentials and performed a full scan, but found nothing. I even restored the system, but the problem remains.

  Should I get a different antivirus? How can I find the cause so I can find a better targeted solution?

  Try to install the drivers from this link and check.

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  How to solve the problem with the wacom tablet and the polygonal lasso tool. It does not work with a pen. I have install windows 10 and fresh, new drivers for wacom bamboo, could he makes problems or there is a problem of photoshop?

  It should do.  You use one of the buttons of pen maybe?  Just touching wheels with the pen with no buttons or modifier keys.  Press ENTER to close the selection.

  Personally I never use the lasso, Polygonal, but rather just the Lasso tool by using the ALT (Opt) to operate the Polygonal tool.  I also use the mouse instead of the Tablet for the selection of cutting edge.  It is a little too uncertain where the point will go when hovering the stylus above the image.

• For loops with the cursor line and indexing

  Hi all
  
  I have a question about the loops with the cursor, line and indexing.
  
  How can I scan via a cursor with an iterator?
  
  I would use an iterator as
  
  Whole LoopIndex;
  Whole LoopIndex2;
  
  for LoopIndex at the beginning of the cursor at the end of the cursor
  loop
  line =: cursor [LoopIndex];
  for LoopIndex2 of LoopIndex at the end of the cursor
  etc...
  end loop;
  
  I need to use an iterator because I need to use a nested for loop.
  
  
  
  OR
  
  
  How can I solve the following problem?
  
  Class name % ofClass average test Score
  1 Niobe 7 8 8.4
  1 alena 4 7 7.5
  1 9 7 8.9 Estia
  1 Lilly 10 8 9.8
  1 Sandra 6 8 8.3
  1 Melanie 8 8 8.1
  Nadia 2 8 3 4.4
  Sayuki 2 9 8 8.4
  Diasy 2 7 8 8.0
  Flower 2 7 8 6.5
  Diana 2 6 8 7.3
  3 Flora 7 8 5.8
  Sukiya 3 4 8 8.4
  Samantha 3 10 8 7.7
  Roxanne 3 7 8 6.9
  Eline 3 8 8 7.4
  
  I need to
  -By class, I need to recalculate each average people
  -By class, I need to calculate the % of class score (sum averages / people in the class)
  
  So it can be done in a nested for loop?
  Or do I just step by step?

  Well, based on this information it would be something like...

  SQL> ed
  Wrote file afiedt.buf
  
    1  with t as (select 1 as Class, 'Niobe' as Nm, 7 as Score, 8 as Tests, 8.4 as Average from dual union all
    2             select 1, 'Alena', 4, 7, 7.5 from dual union all
    3             select 1, 'Estia', 9, 7, 8.9 from dual union all
    4             select 1, 'Lilly', 10, 8, 9.8 from dual union all
    5             select 1, 'Sandra', 6, 8, 8.3 from dual union all
    6             select 1, 'Melanie', 8, 8, 8.1 from dual union all
    7             select 2, 'Nadia', 3, 8, 4.4 from dual union all
    8             select 2, 'Sayuki', 9, 8, 8.4 from dual union all
    9             select 2, 'Diasy', 7, 8, 8.0 from dual union all
   10             select 2, 'Blossom', 7, 8, 6.5 from dual union all
   11             select 2, 'Diana', 6, 8, 7.3 from dual union all
   12             select 3, 'Flora', 7, 8, 5.8 from dual union all
   13             select 3, 'Sukiya', 4, 8, 8.4 from dual union all
   14             select 3, 'Samantha', 10, 8, 7.7 from dual union all
   15             select 3, 'Roxanne', 7, 8, 6.9 from dual union all
   16             select 3, 'Eline', 8, 8, 7.4 from dual)
   17  --
   18  -- END OF TEST DATA
   19  --
   20  select class, nm as "NAME", score, tests, average
   21        ,round(((average*tests)+score)/(tests+1),1) as avg_person
   22        ,round((average / sum(average) over (partition by class))*100,1) as class_average
   23  from t
   24* order by class, nm
  SQL> /
  
       CLASS NAME          SCORE      TESTS    AVERAGE AVG_PERSON CLASS_AVERAGE
  ---------- -------- ---------- ---------- ---------- ---------- -------------
           1 Alena             4          7        7.5        7.1          14.7
           1 Estia             9          7        8.9        8.9          17.5
           1 Lilly            10          8        9.8        9.8          19.2
           1 Melanie           8          8        8.1        8.1          15.9
           1 Niobe             7          8        8.4        8.2          16.5
           1 Sandra            6          8        8.3          8          16.3
           2 Blossom           7          8        6.5        6.6          18.8
           2 Diana             6          8        7.3        7.2          21.1
           2 Diasy             7          8          8        7.9          23.1
           2 Nadia             3          8        4.4        4.2          12.7
           2 Sayuki            9          8        8.4        8.5          24.3
           3 Eline             8          8        7.4        7.5          20.4
           3 Flora             7          8        5.8        5.9            16
           3 Roxanne           7          8        6.9        6.9          19.1
           3 Samantha         10          8        7.7          8          21.3
           3 Sukiya            4          8        8.4        7.9          23.2
  
  16 rows selected.
  

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  Hi, I have problem with the arrow keys in the editor. I don't use arrow in the editor to the bottom and select list (list of table fields, for example). Arrow in the result window or navigator to work normally.
  In the editor, I have problem with SHIFT + left arrow also key.
  Someone at-similar problem? (Developer SQL 1.5.5 with patch)
  Thanks for your reply, Petr

  Could be the old and known problem with accelerators, try:

  Preferences - accelerators - load - default setting

  Hope that helps,
  K.

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  Hello

  I have the Toshiba Equium L10 and it is about 14 months old and I have problems with the battery and how much time it takes after a full charge. I also have problems with the RTC battery and an ERROR 0271: check date and time settings message when I turn on the laptop.

  Regarding the battery, I can fully charge it upward in about 3 hours, but when I start to use it, apparently in the last few hours around one and a half or so and then it needs to be recharged. I can have down for about 40 minutes and then turn it off and come back later or in a day or two. How long should I expect from a fully charged battery?

  About the batttery RTC, it really becomes a pain and I only started to get the message of the ERROR 0271 start-up, in recent weeks. I can charge the battery pack and then leave for a few days, but when I turn it on, I get the message ERROR 0271 on the date and time incorrect. Surely after a full charge, the RTC battery should last longer than a few days?

  The manual says that if the RTC battery is exhausted or becomes weak, you must charge the battery of the CCF for 24 hours, in a different part of this manual indicates between 24 and 48 hours, but how can load you for long when the sections concerning the charging battery pack status after charging the battery you unplug the power adapter because leaving connected will shorten the life expectancy of the Battery Pack. So, how we can charge the battery of the CCF for 24 to 48 hours if we shouldn't leave the AC adapter plugged in once the battery is charged - which is nearly three hours. Suggestions about these problems would be appreciated.

  Besides we all know that it is easy to change the CMOS/RTC battery in your desktop base unit, but is it easy to change in a Toshiba Equium L10?

  Concerning

  Brave0

  Hi Brave0,

  The normal recommendation for the CMOS (RTC) battery is to leave the laptop connected to the power supply at least 12 hours when the main battery is fully charged. The charging circuit is going to hijack the current to the load automatically RTC battery and no current will be forwarded to your main battery.

  Recommendation do not leave the power adapter is plugged in the main battery is fully charged is really only applicable to older laptops that used no batteries Li - ion and therefore they had to be completely discharged before recharging to avoid any effect 'memory' of the battery.

  With modern Li-ion batteries, it is quite safe to leave the battery when fully charged and still power the laptop from the AC adapter. The charging circuit will pass all the battery charge if it is fully charged.

  Kind regards

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  Hi there highland99,

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  Also other programs are affected.  I suspect a recent download of Adobe.  Can anyone HELP.

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  In addition, another reason, that you do not see it could be that the toolbar is not displayed. The toolbar display switch is to press the letter T.

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