Distinct Max 5 in a table

SQL> select * from A;
SAL
9
90
900
9000
90000
900000
9000000
9000000
900000
90000
9000
SAL
900
90
9
SQL> select distinct * from A order by sal desc;
SAL
9000000
900000
90000
9000
900
90
9
SQL> select distinct * from A order by sal desc where rownum < 6;
select distinct * from A order by sal desc where rownum < 6
ERROR at line 1:
ORA-00933: SQL command not properly ended
why did this error prop up???????????????????????????
SQL> select * from (select distinct * from A order by sal desc) where rownum < 6
SAL
9000000
900000
90000
9000
900
null

Im guessing you wanted the output below your statement "why did this error prop up???????????????????????????". The error popped up cause the where clause needs to always be before the order by clause in a select statement. Try using order by on any other table before the where clause you will get the same error that your command is not ended properly. As for getting the output you have below that statement, well that select works. If thats not what your looking for, please clarify your question.

Similar Messages

Select max date from a table with multiple records

I need help writing an SQL to select max date from a table with multiple records.
Here's the scenario. There are multiple SA_IDs repeated with various EFFDT (dates). I want to retrieve the most recent effective date so that the SA_ID is unique. Looks simple, but I can't figure this out. Please help.
SA_ID CHAR_TYPE_CD EFFDT CHAR_VAL
0000651005 BASE 15-AUG-07 YES
0000651005 BASE 13-NOV-09 NO
0010973671 BASE 20-MAR-08 YES
0010973671 BASE 18-JUN-10 NO

Hi,
Welcome to the forum!
Whenever you have a question, post a little sample data in a form that people can use to re-create the problem and test their ideas.
For example:
CREATE TABLE     table_x
(     sa_id          NUMBER (10)
,     char_type     VARCHAR2 (10)
,     effdt          DATE
,     char_val     VARCHAR2 (10)
INSERT INTO table_x (sa_id, char_type, effdt,                          char_val)
     VALUES     (0000651005, 'BASE',    TO_DATE ('15-AUG-2007', 'DD-MON-YYYY'), 'YES');
INSERT INTO table_x (sa_id, char_type, effdt,                          char_val)
     VALUES     (0000651005, 'BASE',    TO_DATE ('13-NOV-2009', 'DD-MON-YYYY'), 'NO');
INSERT INTO table_x (sa_id, char_type, effdt,                          char_val)
     VALUES     (0010973671, 'BASE',    TO_DATE ('20-MAR-2008', 'DD-MON-YYYY'), 'YES');
INSERT INTO table_x (sa_id, char_type, effdt,                          char_val)
     VALUES     (0010973671, 'BASE',    TO_DATE ('18-JUN-2010', 'DD-MON-YYYY'), 'NO');
COMMIT;Also, post the results that you want from that data. I'm not certain, but I think you want these results:
`    SA_ID LAST_EFFD
    651005 13-NOV-09
10973671 18-JUN-10That is, the latest effdt for each distinct sa_id.
Here's how to get those results:
SELECT    sa_id
,         MAX (effdt)    AS last_effdt
FROM      table_x
GROUP BY sa_id
;

Distinct values from dynamic internal tabls

Hi All,
I have a dynamic internal tables like <dy_table> , i want to get distinct values from this internal tables,
how to do that, structure of dynamic internal tables is dynamic acc. to user conditions.
regards,
Anuj

Hi Anuj
Just try this,
CALL METHOD cl_alv_table_create=>create_dynamic_table
EXPORTING
it_fieldcatalog = tb_fields_for_it
IMPORTING
ep_table = gp_dyn_table.
ASSIGN gp_dyn_table->* TO <gt_table>.
ASSIGN LOCAL COPY OF INITIAL LINE OF <gt_table> TO <fs_table>.
LOOP AT tb_output.
*To assign value for serial number.
ASSIGN COMPONENT 1 OF STRUCTURE <fs_table> TO <ls_field>.
<ls_field> = tb_output-sno.
UNASSIGN <ls_field>.
*To assign value for Sales Organization.
ASSIGN COMPONENT 2 OF STRUCTURE <fs_table> TO <ls_field>.
<ls_field> = tb_output-vkorg.
UNASSIGN <ls_field>.
*To assign Rate for its respective Condition type.
LOOP AT tb_konp WHERE knumh = tb_output-knumh.
READ TABLE tb_fieldcat1 WITH KEY fieldname = tb_output-kschl.
IF sy-subrc EQ 0.
lv_count = tb_fieldcat1-col_pos.
ASSIGN COMPONENT lv_count OF STRUCTURE <fs_table> TO <ls_field>.
IF tb_konp-konwa EQ '%'.
tb_konp-kbetr = tb_konp-kbetr / co_10.
<ls_field> = tb_konp-kbetr.
ELSE.
<ls_field> = tb_konp-kbetr.
ENDIF.
ENDIF.
ENDLOOP.
lv_count = lv_count + 1.
APPEND <fs_table> TO <gt_table>.
CLEAR <fs_table>.
ENDLOOP.
Hope this proves helpful to you.

What kind of index on limited number of distinct values in a large table

Hi all,
can any one help me
what kind of index on limited number of distinct values in a large table
Thanks,

Hi,
it's better to do full table scan when values are evenly distributed. Indexes are good when you want to select less than 10% of all data (it depends).
BUT you can use index when there is another data distribution - e.g. value 'Unprocessed' 1%, 'Processed' 99% (and you have computed statistics). Generally in datawarehouse you could use bitmap index, because it is small and fast, but it's not suitable in OLTP with many data modification. Then you can use b-tree index or functional index.
create index idx on mytable (decode('Unprocessed', 1, null));This funcional index will be small and fast too, because there won't be any null values (but you must use this clause in select statement to use index).

Selecting a MAX value from a table & displaying it on a form using OCI PHP

WinXP Pro SP3- 32bit
Apache/2.2.22 (Win32) mod_fcgid/2.3.6 PHP/5.4.0
PHP Version 5.4.0
Oracle epxress 11g
problem: output on form displaying Resource id #4 instead of the number from the table.
(maybe it's number to string conversion issue?)
$conn = oci_connect('system', 'mypassword', 'localhost/xe');
$query = "SELECT MAX(CustNo)+1 AS MAXNUM FROM customer";
$stmt = OCIParse($conn, $query);
OCIExecute($stmt);
OCIFetch($stmt);
echo OCIResult($stmt, "MAXNUM")." will be next number.";
//OCIFreeStatement($stmt); //frees the resources- use a the end!
$daNextNo = $stmt;
echo $daNextNo;
//$daNextNo = OCIBindByName($stmt, ":text", &$form_text, -1); //not sure how this works if it'll fix the issue
?>
<form name="Addcust" action="process_cust.php" method="post">
<input type="text" name="CustNo" value="<?php echo $daNextNo;?>" /></br>
output of complete code:
45 will be next number.Resource id #4
And inside the textbox it says: 45 will be next number.Resource id #4
how can I put the 45 into $php variable so i can use it in a textbox or on a label?
Thank you in advance .

THanks. i couldn;t find the PHP section.
I figured it out
i used nextval() to convert the object to a string.
<?php
$conn = oci_connect('system', '1234', 'localhost/xe');
if (!$conn) {
$m = oci_error();
trigger_error('Could not connect to database: '. $m['message'], E_USER_ERROR);
$query = "SELECT MAX(CustNo)+1 AS MAXNUM FROM customer";
//$daNextNo = $query;
$stmt = OCIParse($conn, $query);
OCIExecute($stmt);
OCIFetch($stmt);
echo OCIResult($stmt, "MAXNUM")." will be next number.";
//OCIFreeStatement($stmt); //frees the resources- use a the end!
$daNextNo = strval(OCIResult($stmt, "MAXNUM")." .");
$daNextNo = strval(OCIResult($stmt, "MAXNUM"));
echo "danextNo: ";
echo $daNextNo;
?>
<form name="Addcust" action="process_cust.php" method="post">
                                   <div>
                                   <dl>
                                        <dt>* <?php //echo $this->lang->line('cust_fn'); ?>: </dt>
                                        <dd><input type="text" name="CustNo" value="<?php echo $daNextNo;?>" /></dd>

Distinct count for multiple fact tables in the same cube

I'm fairly new to working with SSAS, but have been working with DW environments for many years.
I have a cube which has 4 fact tables. The central fact table is Encounter and then I also have Visit, Procedure and Medication. Visit, Procedure and Medication all join to Encounter on Encounter Key. The relationship between Encounter
and Procedure and Encounter and Medication are both an optional 1 to 1. The relationship between Encounter and Visit is an optional 1 to many.
Each of the fact tables join to the Patient dimension on the Patient Key. The users are looking for a distinct count of patients in all 4 fact tables.
What is the best way to accomplish this so that my cube does not talk all day to process? Please let me know if you need any more information about my cube in order to answer this.
Thanks for the help,
Andy

Hi Andy,
Each distinct count measure cause an ORDER BY clause in the SELECT sent to the relational data source during processing. In SSAS 2005 or later, it creates a new measure group for each distinct count measure(it's a technique strategy for improving perormance).
Besides, please take a look at the following distinct count optimization techniques:
Create Customized Aggregations
Define a Processing Plan
Create Partitions of Equal Size
Use Partitions Comprised of a Distinct Range of Integers
Distribute the Hash of Your UserIDs
Modulo Function
Hash Function
Choose a Partitioning Strategy
For more detail information, please refer to the article below:
Analysis Services Distinct Count Optimization:
http://www.microsoft.com/en-us/download/details.aspx?id=891
In addition, here is a good article about SSAS Best Practices for your reference:
http://technet.microsoft.com/en-us/library/cc966525.aspx
If you have any feedback on our support, please click
here.
Hope this helps.
Elvis Long
TechNet Community Support

Reg: Max length of internal table field(GUI_UPLOAD)

Hi All,
In my internal table there is a field for long text(free text/string), when i using GUI_UPLOAD the field max char is 255, so i couldnt get the full text, eventhough i declared that particular long text as string. Can any one tell me how to get the free text.
And i am uploading data from presentation server, not from app server.
Thanks in advance.
Arun
Edited by: arun on Mar 18, 2010 7:01 AM

You have to cook your own logic. But what is the reason for not sorting the table?
If you do not want to disturb the main intrenal table, you can move the contents into a temporary internal table, and sort it by descending order. The first record would have the maximum value.
here is a logic to find the maximum value.
loop at itab.
if itab-value > v_max.
v_max = itab-value.
endif.
endlop.
V_max would have the maximum value at the end lo the loop.
Regards,
Ravi

Count distinct rows from an internal table

Hi,
i have an internal table containing pairs of entries like
1       1
1       2
1       3
2       1
2       2
What i want to do is to determine the value of rowcount from first column ( here it would be 2 and not 5 ) - to me it seems like a DISTINCT. Any suggestions for that ?
Clemens

Hi clemens,
1. One of the ways is to use COLLECT.
2. suppose your original internal table is ITAB.
   Create one more with just one field
    STAB eg.
3. Loop at ITAB.
    STAB-field1 = ITAB-Field1.
    COLLECT stab.
    ENDLOOP.
4. In stab u will have only TWO records,
    1
   2
regards,
amit m.

Select distinct problem with muliple join tables, help needed

Hi,
I have two main tables. Each has its of sub joined tables.
guest_id_for_reservation connects two major tables. This has
to be that way
because my guest may change the room status from single to
double (and the
similar exceptional requests).
guests reservation
guest_id_for_reservation
countrytable hoteltable
delegationtable roomtype
I form a query. I want to select distinct those results. But
it does not
work.
If I do not include any table related to reservation table
and its sub
joined tables (disregarding guest_id_for_reservation), it
works.
Is there a specific syntax for select distinct of this type
or any
workaround.?
Thank you
Hakan

Hi I'm still battling with this - have connected the AX to my Imac via ethernet and it shows up fine in Airport Utility. Status light is green and it says its set up to connect to my existing wireless network using wireless connection. Security in Network Preferences is the same for both: WPA2 Personal.
So I don't think there's a problem with the AX, and my current wireless network (BT Home Hub) is working fine.
And when I restore factory settings Airport Utility can see the AX before updating settings so the wireless side of AX must work too.
I'm figuring it must be something about the settings that mean AU can't see it anymore. But I can't work out what, since security is the same.
Any ideas would be great!

Select Distinct Fields from non related table

Hi Experts,
I have to fetch Distinct Fields from table zdcxy along with the fields from the table zvend but there is no primary key forigen key relationship also if I wanted use join condition. I need to move fields from both the table into output file and 1 part I implemented but I am unable to do second part plz any body can help me its argent. below I pasted part of code along with two requirements.
1.Select all data (Location - LIFNR, Descr u2013 ZPLTNAMEC, CJI_CUSTOMER u2013 CJI customer flag) from ZVEND table.
2.Select all distinct DCs and BUs from zdcxy table.
SELECT * FROM ZVENDPLT INTO CORRESPONDING FIELDS OF TABLE IT_VENDPLT.
*select distinct zdc from zdcxy into corresponding fields of table it_map.
*select distinct zbu from zdcxy into corresponding fields of table it_map.
IF SY-SUBRC = 0.
    LOOP AT IT_VEND.
      MOVE : IT_VENDPLT-LIFNR              TO IT_TAB-FIELD1,
              IT_VENDPLT-ZPLTNAMEC          TO IT_TAB-FIELD2,
              IT_VENDPLT-CJI_CUSTOMER       TO IT_TAB-FIELD3,
       CONCATENATE :IiT_TAB-FIELD1   IT_TAB-FIELD2   IT_TAB-FIELD3   IT_TAB-FIELD4
INTO IT_LOAD-RECORD SEPARATED BY SEPARATOR.
      TRANSFER IT_LOAD TO OUT_FILE.
ENDLOOP.
Can any body explain me hw to fetch DC and Bu from the table zdcxy and keep in the same loop of   it_vend.
Second thing is that I need to give information about records into second output file hw to do that means I opened one more file and I am unable to move the record history there plz help me.
Thanks in advance

Plz any body can help me it's argent.
Thanks
Basu

How to compare 2 NVARCHAR(MAX) columns in same table ?

I have 2 strings i am trying to compare them ,If user changes some data then insert should happen to change log table .
here is the condition i am using it
If dbo.RemoveMultipleSpacesItr(@ProgBusSolPrev) <> dbo.RemoveMultipleSpacesItr(@ProgBusSol)
begin
Insert into ptt_pmt_import_ch(ProgramID,ColumnName,Prev_Value,New_Value,UpdatedBy) values(@Programid,'Solution to Problem',@ProgBusSolPrev,@ProgBusSol,@UpdatedBy)
end
My Scalar Function to compare 2 strings and replace spaces in strings.
CREATE FUNCTION dbo.RemoveMultipleSpacesItr(@str NVARCHAR(MAX))
RETURNS NVARCHAR(MAX)
AS
BEGIN
WHILE CHARINDEX(' ', @str) > 0
SET @str = REPLACE(@str, ' ', '');
RETURN @str;
END
If my Input values for
@ProgDescriptionPrev='These issues are creating missed appointments and unnecessary scheduling techs on appt that are not needed. This impacts areas that are in an overbooking situation. Potentially overbooks appts during specific time of day, and increases Appt misses. Potentially decreasing Appts met by .3%, which has potential customer services impacts of 10K per year. This impacts Load Supervisors as they have to manually calculate worksteam percentage allocations. Estimating 20 users a day * 30mins= 50hrs week =1.1 Supervisor HC= 90K year. IT HelpDesk Tickets (sometimes duplicate) are also opened by front-line agents and are unable to be resolved. So this is a total of about 100k+ a year in cost savings/avoidance.'
@ProgDescription='These issues are creating missed appointments and unnecessary scheduling techs on appt that are not needed. This impacts areas that are in an overbooking situation. Potentially overbooks appts during specific time of day, and increases Appt misses. Potentially decreasing Appts met by .3%, which has potential customer services impacts of 10K per year. This impacts Load Supervisors as they have to manually calculate worksteam percentage allocations. Estimating 20 users a day * 30mins= 50hrs week =1.1 Supervisor HC= 90K year. IT HelpDesk Tickets (sometimes duplicate) are also opened by front-line agents and are unable to be resolved. So this is a total of about 100k+ a year in cost savings/avoidance.'
Only difference in strings is space(' ')
if there is no difference in strings avoiding spaces in strings, i need to insert into change log. But using above query even there is no change in string values it inserts in to change log table.Please help on this,i need solution for this
sonali malla

Hi,,,
Are you lecturing my dynamic script? Thither is a solution for this problem - we can convert all column values to nvarchar(max) first - most common types can be converted to nvarchar(max) and only some exotic types cannot be converted.
Here is the script using nvarchar(max):
CREATE TABLE Test1(id INT,col2 INT,col3 INT, col4 int, col5 varchar(10), col6 date)
CREATE TABLE Test2(id INT,col2 INT,col3 INT, col4 int, col5 varchar(10), col6 date)
INSERT INTO Test1 VALUES (1,2,3,9,'q', '20120101'),(4,5,6,10,'z','20120404')
INSERT INTO Test2 VALUES (1,2,7,8, 'm','19990101'),(4,8,6,12, 'dd','20110505')
declare @sql nvarchar(max), @Cols nvarchar(max)
select @Cols = stuff((select ',(cast(' + QUOTENAME(column_name) + ' as nvarchar(max)),' +
QUOTENAME(column_name,'''') + ')' from Information_schema.columns C
where C.TABLE_SCHEMA = 'dbo' and c.TABLE_NAME = 'Test1' and c.COLUMN_NAME <> 'id'
order by c.COLUMN_NAME for XML path('')),1,1,'')
set @sql = 'SELECT t1.c as [Column Name] , t1.col as [Expected Value], t2.col as [Actual Value]
FROM (select id, c, col from Test1 cross apply (values' + @Cols + ' ) d(col, c) ) t1
INNER JOIN
(select id, c, col from Test2 cross apply (values' + @Cols+ ' ) d(col, c) ) t2
ON t1.id=t2.id AND t1.c=t2.c
WHERE t1.col<>t2.col
Order by t1.c'
print @sql
execute (@sql)
If Any other Concern, let me know.
Thanks :-)

Distinct values in an internal table

How can I extract the distinct values of a particular field in an
internal table?

Hello Gregory
Another possibility is to sort you itab by the particular field(s) and then delete any duplicates:
SORT itab BY field1.
DELETE ADJACENT DUPLICATES FROM itab
COMPARING field1.
Regards
Uwe

Max. records in Range table used in Select .. IN ?

Hi
Does somebody knows wich is the max. amount of records in a RANGES table used in Select Comand:
select xxxx FROM table
where field IN range_table.
That, because i found severeal times programs aborting for this cause, so i changed this condition to an ALL ENTRIES.
Regards
Frank

It really depends on the table and DB settings.
Check with your DBA folks.
On our system it's ~ 400-500 for most of the tables.
NOTE: as it depends on DB settings - it may be different on your development system and on your production system.
For all entries does ntohave this limitation as it's being split into several selects, you can see it in the trace.

Max size of Azure table used in single ISS instance

Hi,
what is max size of an Azure Table used in a single
ISS instance?
Regards

Hi,
Please have a check on the below links.
http://blogs.msdn.com/b/avkashchauhan/archive/2011/11/30/how-the-size-of-an-entity-is-caclulated-in-windows-azure-table-storage.aspx
http://blogs.msdn.com/b/windowsazurestorage/archive/2010/07/09/understanding-windows-azure-storage-billing-bandwidth-transactions-and-capacity.aspx
http://msdn.microsoft.com/en-us/library/azure/jj553018.aspx
Hope this helps.
Regards,
Mekh.

Max Rows in 11g Tables

It seems no matter what I set as the max display rows for a table in 11g Analysis, it stops at 500 and makes the user select the arrow for a new page. I've checked the MBeans that control the setting in instanceconfig.xml and have found that the max is 65,000. The main issue is that if a user tries to export data from a dashboard it only exports 500 records. I've also checked the maximum in the RPD and it is set to 100,000. Has anyone else experienced this behavior? When exporting from a report, does it limit to 500 rows?
Thanks!

*19.3.1.2 Manually Configuring Settings for Data in Views*
You can configure a similar group of settings that affects the display of data in tables, pivot tables, and graphs. While the settings are mainly the same, you must include the element within each appropriate parent element to override the default setting that applies to that view. For example, the views all use the MaxVisiblePages element. You must include that element within each of the Table, Pivot, and Charts parent elements, to override the default value of that setting for each of those view types.
Before you begin this procedure, ensure that you are familiar with the information in Section 3.4, "Using a Text Editor to Update Oracle Business Intelligence Configuration Settings".
To manually edit the settings that change the display of data in views:
1.Open the instanceconfig.xml file for editing, as described in Section 3.6, "Where are Configuration Files Located?"
2.Locate the Table, Pivot, and Charts parent sections, in which you must add the elements that are described in Table 19-1.
3.Include the elements and their ancestor elements as appropriate, as shown in the following example.
<ServerInstance>
<Views>
<Table>
<MaxVisiblePages>1000</MaxVisiblePages>
<MaxVisibleRows>500</MaxVisibleRows>
<MaxVisibleSections>25</MaxVisibleSections>
<DefaultRowsDisplayed>30</DefaultRowsDisplayed>
</Table>
<Pivot>
<MaxVisibleColumns>300</MaxVisibleColumns>
<MaxVisiblePages>1000</MaxVisiblePages>
<MaxVisibleRows>500</MaxVisibleRows>
<MaxVisibleSections>25</MaxVisibleSections>
<DefaultRowsDisplayed>30</DefaultRowsDisplayed>
</Pivot>
<Charts>
<MaxVisibleColumns>2000</MaxVisibleColumns>
<MaxVisiblePages>1000</MaxVisiblePages>
<MaxVisibleRows>2000</MaxVisibleRows>
<MaxVisibleSections>25</MaxVisibleSections>
<JavaHostReadLimitInKB>4096</JavaHostReadLimitInKB>
</Charts>
</Views>
</ServerInstance>
Note that this example does not include parameters that might exist in the file, but that are centrally managed by Fusion Middleware Control and cannot be changed manually.
4.Save your changes and close the file.
5.Restart Oracle Business Intelligence.
Table 19-1 describes the common elements that affect the display of data in views. If the user exceeds these values, then the Oracle BI Server returns an error message when the view is rendered.
Table 19-1 Common Elements for Manually Changing the Display of Data in Views
Element Description Default Value Applicable Views
DefaultRowsDisplayed
Specifies the default number of rows to display in the view.
30
Pivot Table, Table
MaxVisibleColumns
Specifies the maximum number of columns to be displayed in a view.
300
Graph, Pivot Table
MaxVisibleRows
Specifies the maximum number of rows to be displayed in a view.
For tables and pivot tables, specifies the number of rows that is displayed on the tooltip for the Display Maximum Rows per Page paging control button.
500
Graph, Pivot Table, Table
MaxVisiblePages
Specifies the maximum number of page choices (or pages in PDF) to be displayed in a view.
1000
Graph, Pivot Table, Table
MaxVisibleSections
Specifies the maximum number of sections to be displayed in a view.
This element does not apply when a slider is in place for a graph. The SectionSliderDefault and SectionSliderLimit elements apply to limit section values when a slider is in place. See Table 19-2.
25
Graph, Pivot Table, Table
JavaHostReadLimitInKB
Specifies the maximum amount of data that is sent to the browser for a single graph.
4096
Graph
I hope you helps...

Distinct Max 5 in a table

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