Two dimensional table

Hi all,
I need to know about two dimensional structure in pl/sql?
And how many level of sub queries are optimum for a query?

Note the name of this forum is SQL Developer *(Not for general SQL/PLSQL questions)* (so for issues with the SQL Developer tool). Please post these questions under the dedicated SQL And PL/SQL forum.
Regards,
K.

Similar Messages

Create a two dimensional table in Acess

Hi,
I am working with a database and the toolkit "the database connectivity tooset". I know how to create a new table from labview, but is it possible to create a "two dimensional" table from labview, i.e, where one table in Microsoft Access is linked to another one. I know how to do it in access, but it should be possible in program to crate a new table and this one has to be linked to another one then, just like the others. Does someone know how to do it??
Thank you!

Hi
I assume you are not so familiar with databases, are you?
First I want to comment your previous post:
well I have a table for a product that contains, say different data for the product, i.e. the date of the test, who is responsible for the test, where it was performed. Also, linked to the date (I guess it is the primary key), there are also some data related. so in my table in the database, next to the date, there is a "+"-sign, so I can open up the page of all the data related to the date.
Well, did you create this database on your own? So you must have created two tables (table one with fields Datum, Responsible & Cost and table two with fields Place1, Place2, Place3 & Place4). Then you must have dragged on field from one table to another field in the other table in the "Relations" view of access. Doing so, you created a relation. Due to this, access now knows how this date is related and displays the "+"-sign. You can not assume that the date is the primary key.
In fact you do not have a "2D" table, but just different datasets from two tables connected to each other. This connection is created by relations.
So, if I know would like to create a new table in my program (each product has its own table, so a new product=a new table), I would also like to create this "data" sheet that is connected to the data. Bu how do I do that?
I can easily just create a new table (i.e. a new product), just using the "DB Tools Create Table.vi". But I guess it is when I actually want to add the data to the database, where I create the "data" sheet? Using the "DB Tools Execute Query" and a SQL statement with INSERT INTO, is that the way to go?
As mentioned before, this "datasheet" is just a dataset from a second table which is made displayable by the relation. So if you're question is "how to create a relation using LV", you are quite on the right way. First create two tables one of which has to contain a field where the primary key from the other table is linked to. Then you have to set a PK in one table (using SQL statements) and then build the relation (also using SQL statements). I can't tell you, if you have to define the foreign key in the second table too.
Have a look at the MS-Access help on how to assign relations and how to define primary keys. There may be something to take care off. Basically standard SQL should do - but using MS you never know .
As this is somehow complicated, I always create the database structure in MS Access and that's it - afterwards all is done programatically (write and read data). Usually I don't open the database again with Access unless there is a special task.
Hope this helps you a little bit otherwise come and ask again.
Thomas
Using LV8.0
Don't be afraid to rate a good answer...

How to use two dimensional array in custom.pll

HI
How to use two dimensional arrays in custom.pll
I tried by the following way .
type ship_array is table of number index by binary_integer;
type vc_array is table of ship_array index by binary_integer;
But I am getting the error as that
A plsql table may not contain a table or a record with composite fields.
Please tell me the way how to use them

which forms version are you using? two dimensional arrays are available in >= 9i if memory serves.
regards

Retrieving two dimensional arrays from a text file.

Good evening
I am having a problem with reading a text file, and putting this info into a 2D array to be put into a table.
I have the table already(but no code to add rows to the table incase the array increases)
The array is called Product[a][ b ]
where a is the product number(the row), and b are details about this product.
The file i want to be read looks like this:
data.txt
CPU|AMD|X2, 64bit, 2GHz|$150|9
Video card|NVidia|7800 GTX 256MB|$400|4
e.g. product[2][4] would equal 4
Basically: Type, manufacturer, specifications, price, amount in stock.
the "splitter" or "field terminator" is "|"
This is what i want it to do:
Store fileline into single string,
split string and put it in product[ j ][ i ]
repeat with next lines until nothing is read anymore.
This is the code I have so far:
try{
        FileReader textFileReader = new FileReader("C://BACKUP2//data.txt");
        BufferedReader textReader = new BufferedReader(textFileReader);
        for(int j=0; j<0; j++){
             for(int i=0; i<6; i++){ //i starts at 0, condition: i is under 6, 1 is added to i at each loop/update.
                   ProductT = textReader.readLine();
                   textReader.close();
                   for(String Product[j] : ProductT.split("|")){ //this line is completly wrong, but i don't know how else to do it.
     // for counting for the number of columns
catch (IOException e) {System.out.println(e);}
I don't even think this code makes any bloody sense, I don't know if I'm approaching it correctly.
Would anyone be gracious enough to give me a helping hand and tell me what/how to change my code?
from what I see, the problem lies less in the loops, but more in the splitting of the string. no function seems to like 2D arrays :(

So this is where I stand:
     //Reading
    try{
        FileReader textFileReader = new FileReader("C://BACKUP2//data.txt");
        BufferedReader textReader = new BufferedReader(textFileReader);
        for(int j=0; j>0; j++){ // this will go on forever now or what?
// yes, this will loop forever, which is fine as long as you break out of the loop when you reach the end of the file (which is indicated by textReader.readLine() returning null)
             // replace the for(String currentField : ProductT.split("|")) loop with this one
             //for(int i=0; i<6; i++){ //i starts at 0, condition: i is under 6, 1 is added to i at update.
                  String inputline = textReader.readLine();    // read a single line from the file each time through the loop
                  //while (inputline != null) {
                        if (inputline != null) {    // check if the end of the file has been reached
                       //ProductT = textReader.readLine(); //put to single string
                   //textReader.close(); //shut it off    // move this line to the end of processing, you don't want to close the file until you've read everything from it.
                   //for(String currentField : ProductT.split("|")){   //Split string...      according to JBuilder "The local variable currentField is never read"
                         // switch this loop to use the regular for( ; ; ) type, that way you will have another counter to use as the second index in the product assignment
                                     //currentField = Product[j];
                    product[i][] = currentField; // use the index of the second loop as the second index here
else {
break; // break out of the loop when end of file is reached
     //} // the for i etc. end here
} // End for j et cetera...
     } //end Try
catch (IOException e) {System.out.println(e);}
//cut the crap
// close the reader here
ok - so I am not quite sure about what you mean here
"Assign each of the 5 fields to the five [][j]
positions of the array. "
should i put 5 "fors" in there? - currently the
program is compiling - although they do not appear in
the table.I put comments in the code that should answer those questions.
The code for the table is
Object[][] data = {
          {Product[0][0], Product[0][1],
               Product[0][2], Product[0][3], Product[0][4]},
               {Product[1][0], Product[1][1],
Product[1][2], Product[1][3],
uct[1][3], Product[1][4]},
                      {Product[2][0], Product[2][1],
Product[2][2], Product[2][3],
ct[2][3], Product[2][4]},
                          {Product[3][0], Product[3][1],
Product[3][2],
Product[3][2], Product[3][3], Product[3][4]},
                {Product[4][0], Product[4][1],
Product[4][2],
Product[4][2], Product[4][3], Product[4][4]},
;If I do not declare any of these strings (e.g. I have
only declared Product[0-2][] oldschol style) an error
occurs, telling me that
Caused by:
java.lang.ArrayIndexOutOfBoundsException: 3
     at data.<init>(data.java:112)
     ... 5 more
When you declare product, you'll need to give it a size for both dimensions. The first dimension will be the number of lines to be read from the file. You'll need to know this before allocating the array, so either count them in the file, (if that's good enough for this assignment) or loop through the file once before reading it to count the lines. The second dimension of the array will be 5, since that's how many fields each line has.
btw; do I give those duke stars when all problems of
my life(currently: reading the two dimensional
string) have been resolved?I don't know about [i]all the problems of your life, but when the topic of the thread has been solved, then give them to whoever helped. :)

Two dimensional Grouping

Hi 2 all,
I'm trying to build a report starting from two complex PL/SQL query like this(simplified):
SELECT SUM(x),SUM(y),SUM(z),Name,type,product
FROM DESC A, STORE1 B, STORE2 C, store3 D, store4 E
WHERE b.ID=c.ID(+)
AND b.ID=d.ID(+)
AND b.ID=e.ID(+)
AND a.code=b.code
AND a.product='oneproduct'(...another query with !='oneproduct')
group by b.Name,b.type
I need to have on each report page the results of the two queries grouped by type, one page for each (Name).
how can I have the content of Name field on the header/margin (as a title) and the remainder data below grouped by the same Name?
=> In the end I should have one page for each Name
thanks
Matteo

On the other hand I do recall having read somewhere
that the "new" operator
is very costly and should strictly be
avoided in loops.Not that expensive performance-wise. It could potentially suck up a lot of memory if you are creating LOTS of objects
Now for the concrete case of reading some user's
datasets from a database
and then processing them further, is it advisable
to instantiate a new user object for each row, or
where is the alternative
to be found?I think you should create an object to represent each row.
two dimensional collections (any favourites in java)I always create my own. I try to use Vectors and Hashtables exclusively, depending on my needs re: ordering and lookup. Mixing and matching these could result in Vectors of Hashtables, Vectors of Vectors, Hashtables of Vectors, and Hashtables of Hashtables.
synchronized one dimensional collections each
representing one field in a
table ? (is this really more performant than simple
classes)Doubtful - any gain that you get by avoiding the constructor call would be obviated by the overhead of iterating through multiple lists and keeping them synchronized.
a Collection of Collections (here comes the new
operator again)Same as two-dimensional collections.
I remember having seen inner classes used for the
purpose of holding just a
couple of attributes, is there some performance
advantage like "the class
loader does not have to look for the class".No advantage - the only reason to create an inner class is to prevent other classes from using those objects. The inner class still compiles to a separate class object that needs to be loaded separately.

Two dimensional array in JSP with struts

Is it possible to use two dimensional array in an web application
based on struts. I am using JSP and to get data from two dimensional
array im using
property = "array[0][0]";I read on the internet that bean utils does not support two dimensional array?
I have a table like spreadsheet with 30 rows and 20 columns and i was
planning to use two dimensional array? is there any other way to get
this stuff done easily?
any ideas welcome.

HI ,
i have the same problem you had
did you get any solution for this?
if so you can help me out

How can I use two dimensional array ?

Could some one show me how to use two dimentional array ?
I am know how to right a single ...but not two dimentional....please help,
Thanks,
Flower
public class Exam5
public static void main(String[] args)
int[][] numbers =
     {     {1,2,3,4,5,6,7,8,9,10},
{1,2,3,4,5,6,7,8,9,10} };
for(int i = 1; i < 11; ++i)
System.out.println(i + "\t" + i * 2 + "\t" + i * 3 + "\t" + i * 4 + "\t" + i * 5 +
"\t" + i * 6 + "\t" + i * 7 + "\t" + i * 8 + "\t" + i * 9 + "\t" + i * 10);
Display #
1     2     3     4     5     6     7     8     9     10
2     4     6     8     10     12     14     16     18     20
3     6     9     12     15     18     21     24     27     30
4     8     12     16     20     24     28     32     36     40
5     10     15     20     25     30     35     40     45     50
6     12     18     24     30     36     42     48     54     60
7     14     21     28     35     42     49     56     63     70
8     16     24     32     40     48     56     64     72     80
9     18     27     36     45     54     63     72     81     90
10     20     30     40     50     60     70     80     90     100

First, try not to ask someone to do your homework for you and then tell them they are wrong. The code posted may not have been exactly what you were looking for, but it was not wrong because it did exactly what the poster said it would do - print out the multiplication table.
Second, in the future if you ask specific questions rather than posting code and hoping someone will fix it for you, you may one day be able to complete the assignments on your own.
Here is code that prints what you want and uses a two dimensional array. Please ask questions if you do not understand the code. You will never learn if you just use someone else's code without taking the time to examine or understand it.
public class MultiTable{
    public static void main(String[] args)   {
        int rows = 10;
        int columns = 10;
        int [][] numbers = new int [rows] [columns];
        for(int j = 0; j < rows; j++)   // for each of 10 rows
            for(int k = 0; k < columns; k++)    // for each of 10 columns
                numbers[j][k] = (j+1) * (k+1); // calculate row+1 * col+1
        for (int j = 0; j < rows; j++) // for each of 10 rows
            for (int k = 0; k < columns; k++)   // for each of 10 columns
                System.out.print(numbers[j][k]+" ");    // print out result
                if (numbers[j][k] < 10)     // for single digit numbers
                    System.out.print(" "); // print extra space for better formatting
            System.out.println();       // skip to next line
}

Querying data from two dimensional schemas

Hi,
I have modified 2 star models on Physical layer, then I add three tables from these models into BMM Layer: Fact A, Fact B and Dim C.
Dim C is joined logically (using complex join) with Fact A and Fact B.
In Answers I make a request with fields from tables A, B and C, but got this error:
[nQSError: 10058] A general error has occurred. [nQSError: 15018] Incorrectly defined logical table source (for fact table Fact B) does not contain mapping for [Fact A].
Someone can tell me how can I solve this issue??? or how to get this fields???, join both star models logically or physically is possible???
Thanks
Carlos Hernandez

Venkatakrishnan:
My first post was solved creating a single logical fact table with both physical facts as sources, joining this with all the dimensions that I need, also I created a hierarchy for each one, and finally I define dimension levels in facts sources and metrics.
The BMM has the particularity that involves two dimensional schemas at total and detail level: Order Fact and OrderItem Fact, and is joined with several dimensions: Account, Order, Product, Position, Day, Person, and with two new objects: a view named "Ordenes" and a table named "Item Atributos". Specifically this view has no physical join with OrderItem Fact, so that was my principal headache.
I defined #Order and #OrderLines metrics in the logical fact table and I could create a request with columns from all tables (fact and dim) and seems that it works, but now I have another problem: when I try to filter for a detail dimension column I get this error:
[nQSError: 14023] None of the fact sources for [Table.Column] are compatible with the detail filter [FILTER].
This error only happens when I include columns in request from "Ordenes" dim(physically defined as a custom view).
Could you know the cause of the problem or why this error is happening???
Thanks for your help again.
Carlos Hernandez

Designing a cube with two Fact tables

Hi,
I am new to multi-dimensional modeling. I am trying to define a cube with two fact tables which have many to many relationship. so I came up with following schema:-
I want to design a cube so that I can get the count of "FactOne" items which are related to "FactTwo" items having particular status. So, I want to get the count of "FactOne" where they are related to items in "FactTwo"
which have "Status1". Could anyone please guide me how would I do it?
Thanks

Hi Ahsan,
In your scenario, there are tow fact tables on your Data Source View, and now what you want is that "count of FactOne" which are related to "FactTwo" in a particular status, right?
It seem that you have find a blog that describes how to select facts with reference dimension on you another thread. As per my understanding, you can follow that blog to achieve your requirement.
http://bifuture.blogspot.com/2011/11/ssas-selecting-facts-with-reference.html
Regards,
Charlie Liao
If you have any feedback on our support, please click
here.

Two Dimensional and Multidimensional

Hi experts,
What is Two Dimensional and Multidimensional , i want exactly the diff between these two ? Generally we are saying that cube is Multidimensional and ODS is Two Dimensional ?
I willl asssign points for ur valuable answers .

Hi Nagireddy,
ODS is 2 dimensional format and it is not good to analyze the data in multi dimensional way.If you want to take flat reporting then go for ODS reporting. TheTwo dimensional report is similar to reporting on a table.ODS active table is a flat table like an r/3 table. Reporting is done on active table of ODS. other tables are for handling the deltas.
List of purchase orders for a vendor is two dimensional report whereas sales organisationwise, sales areawise,customerwise sales for last quarter and comparison with earlier quarters is a multi-dimensional report.
Cube is multidimensional formate and you can analyze data in different dimensions,so if your requirement is multidimensional report go for Cube.
Hope this helps,
Regards
CSM Reddy

Please change the view in the top sites, the 6.1 upgrade has reverted back to a plane two dimensional view, which is a little plain. Can I revert back to an older version via my time capsule save?

Please change the view in the top sites, the 6.1 upgrade has reverted back to a plain two-dimensional view, which is a little dated. Can I revert back to an older version via my time capsule save? C'mon Apple upgrades supposed to leap into the future not the past. :-(

Please change the view in the top sites, the 6.1 upgrade has reverted back to a plain two-dimensional view, which is a little dated. Can I revert back to an older version via my time capsule save? C'mon Apple upgrades supposed to leap into the future not the past. :-(

Join two fact tables

Hi,
I have two fact tables F1 and F2 joined with few dimensions D1.....D9. D1,D2 and D3 are conformed dimensions.
In Physical:
F1>--D1,D2,D3,D4,D5,D6
F2>--D1,D2,D3,D7,D8,D9
In Logical:
F1>--D1,D2,D3,D4,D5,D6
F2>--D1,D2,D3,D7,D8,D9
there are some ports already using above star schemas. now I got new requirements and I need to use measures from both the fact tables and conformed and unconformed dimensions.
I did the following in logical
F1 LTS GENERAL TAB ADDED F2,D1,D2,D3,D7,D8,D9 and in content tab set logical level to unconformed dimensions at total level and for conformed dimensios at details level.
F2 LTS GENERAL TAB ADDED F1,D1,D2,D3,D7,D8,D9 and in content tab set logical level to unconformed dimensions at total level and for conformed dimensios at details level.
but I'm still getting
[nQSError: 14026] Unable to navigate requested expression:
Please fix the metadata consistency warnings. (HY000)
I cheked metadata global consistency and no errors found.
Appreciate your help
Thanks
Jay.
Edited by: Jay on Sep 27, 2011 10:14 AM
Edited by: Jay on Sep 27, 2011 10:15 AM

Let me explain my issue again
In Physical:
F1>--D1,D2,D3,D4,D5,D6
F2>--D1,D7
In Logical: Single logical fact Fact_FY_Ratio has two logical sources
LTS1: F1>--D1,D2,D3,D4,D5,D6
LTS2: F2>--D1,D7
Set the content level for each LTS in Fact_FY_Ratio:
F1 to Detail for D1,D2,D3,D4,D5,D6 and to Total for D7
F2 to Detail for D1,D7 and to Total for D2,D3,D4,D5,D6
In LTS 1 general tab added inner joins with all dimensions F1,D1,D2,D3,D4,D5,D6,D7and F2
In LTS 2 general tab added inner joins with all dimensions F2,D1,D7,D2,D3,D4,D5,D6 and F1
And I also did logical complex join for Fact_FY_Ratio with all logical dimensions D1,D2,D3,D4,D5,D6,D7
I'm able to run query using D1,D2,D3,D4,D5,D7,F1,F2 but when I include D6(time dimension) it is causing problem with F2(witth F1 it is working fine).
query success with:
F1,D1,D2,D3,D4,D5,D6
F2,D1,D7
D1,D2,D3,D4,D5,D7,F1,F2
Query failed with:
F2>--D1,D7 and D6
Please let me know anything wrong with above configuration.
Thanks
Jay...
Edited by: Jay on Oct 3, 2011 7:11 AM

From two given tables, how do you fetch the values from two columns using values from one column(get values from col.A if col.A is not null and get values from col.B if col.A is null)?

From two given tables, how do you fetch the values from two columns using values from one column(get values from col.A if col.A is not null and get values from col.B if col.A is null)?

Hi,
Use NVL or COALESCE:
NVL (col_a, col_b)
Returns col_a if col_a is not NULL; otherwise, it returns col_b.
Col_a and col_b must have similar (if not identical) datatypes; for example, if col_a is a DATE, then col_b can be another DATE or it can be a TIMESTAMP, but it can't be a VARCHAR2.
For more about NVL and COALESCE, see the SQL Language manual: http://docs.oracle.com/cd/E11882_01/server.112/e26088/functions119.htm#sthref1310
I hope this answers your question.
If not, post a little sample data (CREATE TABLE and INSERT statements, relevant columns only) for all tables involved, and also post the results you want from that data.
Explain, using specific examples, how you get those results from that data.
Always say which version of Oracle you're using (e.g., 11.2.0.2.0).
See the forum FAQ: https://forums.oracle.com/message/9362002

How to create a foreign key for the table from two different tables?

Hi All,
I have a three table like below. In the below table SAMPLE_CONS_CHECK and SAMPLE_CONS2_CHECK will be having the primary key for NAME column. The same SAMPLE_CONS3_CHECK table also having the primary key for NAME column and forieign key for SAMPLE_CONS_CHECK and SAMPLE_CONS2_CHECK tables. See the below code 2
code 1:
CREATE TABLE SAMPLE_CONS_CHECK
        (NAME VARCHAR2(10),
        SERIES VARCHAR2(5)
CREATE TABLE SAMPLE_CONS2_CHECK
        (NAME VARCHAR2(5),
         MODEL NUMBER
CREATE TABLE SAMPLE_CONS3_CHECK
        (NAME VARCHAR2(5),
         MODEL_NO NUMBER
        )code 2
alter table SAMPLE_CONS_CHECK
add constraint SAMPLE_CONS_CHECK_pk primary key (NAME)
alter table SAMPLE_CONS2_CHECK
add constraint SAMPLE_CONS2_CHECK_pk primary key (NAME)
alter table SAMPLE_CONS3_CHECK
add constraint SAMPLE_CONS3_CHECK_pk primary key (NAME)
ALTER TABLE SAMPLE_CONS3_CHECK ADD
CONSTRAINT SAMPLE_CONS3_CHECK_FK1 FOREIGN KEY
     NAME
) REFERENCES SAMPLE_CONS_CHECK
    NAME
) ON DELETE CASCADE;
ALTER TABLE SAMPLE_CONS3_CHECK ADD
CONSTRAINT SAMPLE_CONS3_CHECK_FK2 FOREIGN KEY
     NAME
) REFERENCES SAMPLE_CONS2_CHECK
    NAME
) ON DELETE CASCADE;From the above schenario i am able to insert the data to SAMPLE_CONS3_CHECK table. But the parent data is already available in the parent table. The problem is here two different constarints from two different tables. While inserting, it is checking from both the tables whether the parent is exist or not.
How can i solve this problem? Can anyone halp me about this?
Thanks
Edited by: orasuriya on Aug 8, 2009 2:02 AM

Actually the design is completely incorrect.
What you say is
I have
'foo', 'foo series'
'foo','foo model'
'foo',666
By virtue of table3 referring to both table1 and table2.
This means you actually need to have 1 (one) table:
'foo','foo series','foo model', 666
And the 'problem' disappears.
Sybrand Bakker
Senior Oracle DBA

How to insert into two differents tables at the same time

Hi
I'm newer using JDev, (version 3.1.1.2 cause the OAS seems to support just the JSP 1.0)
and I want to insert into two differents tables at the same time using one view.
How can I do that ?
TIA
Edgar

Oracle 8i supports 'INSTEAD OF' triggers on object views so you could use a process similar to the following:
1. Create an object view that joins your two tables. 'CREATE OR REPLACE VIEW test AS SELECT d.deptno, d.deptname, e.empname FROM DEPT d, EMP E'.
2. Create an INSTEAD OF trigger on the view.
3. Put code in the trigger that looks at the :NEW values being processed and determines which columns should be used to INSERT or UPDATE for each table. Crude pseudo-code might be:
IF :NEW.deptno NOT IN (SELECT deptno FROM DEPT) THEN
INSERT INTO dept VALUES(:NEW.deptno, :NEW.deptname);
INSERT INTO emp VALUES (:NEW.deptno, :NEW.empname);
ELSE
IF :NEW.deptname IS NOT NULL THEN
UPDATE dept SET deptname = :NEW.deptname
WHERE deptno = :NEW.deptno;
END IF;
IF :NEW.empname IS NOT NULL THEN
UPDATE emp SET empname = :NEW.empname
WHERE deptno = :NEW.deptno;
Try something along those lines.
null

Two dimensional table

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