SQL & PL/SQL :: Dynamic Update Of Column Name?
Jan 23, 2012
i have creatd view,in which i need to show the entry of year in column wise,though the data is in row /record wise.By iteration i can manipulate the year in decode function like " (DECODE(a.Year,(select distinct max(year)-1 from BI_BALANCE_SHEET), a.Balance))",but is there any way to chachge the alias name /column name,here is the query
select
SUM(DECODE(a.Year,(select distinct max(year)-1 from BI_BALANCE_SHEET), a.Balance)) as year2010,
SUM(DECODE(a.Year,(select distinct max(year)from BI_BALANCE_SHEET) , a.Balance))as Year2011
from DEMO a
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Oct 15, 2013
I have one hirarchical query which return the parent to child hirarch level data. it has 11 level child data. i want to create column based on number of child in hirarchy. though i know it is 11 but it can change also.Is there any way i can create the column dynamically
ORG_UNITCOST_CENTERORG_UNIT_NAMEPARENT_ORG_UNITLLSYS_CONNECT_BY_PATH(ORG_UNIT,'/')
500171960000022000Managing Director - LUL500169965/00000001/50000001/50017588/50016996/50017196
500018370000021241FSO500171966/00000001/50000001/50017588/50016996/50017196/50001837
502894940000021241Knowledge Management500018377/00000001/50000001/50017588/50016996/50017196/50001837/50289494
508014980000021241Finance500018377/00000001/50000001/50017588/50016996/50017196/50001837/50801498
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Jun 21, 2012
I wrote a simple procedure to copy the create timestamp and create user name to update timestamp and update user name of the same record. (See code below)
This works fine for a hard-coded table and primary key column. However, I cannot figure out how to get this to work with dynamic sql.
All my other procs, which don't use SELECT UPDATE FOR work fine with dynamic sql.
Proc that works:
CODECREATE OR REPLACE PROCEDURE proc_set_upd_columns
IS
CURSOR c1 IS
SELECT *
FROM mytable
FOR UPDATE
ORDER BY mycolumn;
c1rec c1%ROWTYPE;
[code].........
Partial proc that does NOT work:
CODECREATE OR REPLACE PROCEDURE LDEVORE.proc_set_upd_columns (
p_input_table_name IN VARCHAR2,
p_pk_id_col_name IN VARCHAR2)
IS
v_qry_str VARCHAR2(1000);
v_cursor_str VARCHAR2(1000);
v_create_tmstmp TIMESTAMP;
v_create_user_name VARCHAR2(30);
[code].......
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Apr 16, 2010
I am having a table with 4 columns as mentioned below
For a particular prod the value greater less than 5 should be rounded to 5 and value greater than 5 should be rounded to 10. And the rounded quantity should be adjusted with in a product starting with order by of rank with in a prod else leave it
Table1
Col1prodvalue1rank
1A21
2A62
3A53
4B61
5B32
6B73
7C41
8C22
9C13
10C74
Output
Col1prodvalue1rank
1A51
2A52
3A33
4B101
5B02
6B63
7C51
8C52
9C03
10C44
I have taken all the records in to a cursor. Once after rounding the request of 1st rank and adjusting the values of next rank is done. Trying to round the value for 2nd rank as done for 1st rank. Its not taking the recently updated value(i,e adjusted value in rounding of 1st rank).
This is because of using a cursor having a value which is of old value. Is there any way to handle such scenario's where cursor records gets dynamically updated when a table record is updated.
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Oct 25, 2010
I want to convert the below SQL to a dynamic sql to be executed from execute immediate statement.
UPDATE transaction SET loannum = lpad(loannum,12,'0')
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Jan 11, 2011
I want get dynamic column names and its corresponding values...Consider the below sample code
CREATE TABLE LECTURER1
( ID NUMBER(5,0),
FIRST_NAME VARCHAR2(20),
LAST_NAME VARCHAR2(20),
MAJOR VARCHAR2(30),
CURRENT_CREDITS NUMBER(3,0),
PRIMARY KEY (ID));
[code]....
get the dynamic column values.
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Nov 17, 2011
How do I add a column (Status) to a select query based on the data returned.
Select Col1, Col2
from
Table 1, Table 2, Table 3
Where
Table 1.Key1 = Table 1.Key1 and
Table 2.Key1 = Table 3.Key1 and
Table 1.Col1 in ('xyz','yty','ttr')
Output Expected:
Col1 Col2 Col3(Status)
xyx 1mst Sucess
yty Null No Data Found
ttr Null No Data Found
The Col1 value yty and ttr does not exist in the database
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Apr 26, 2010
I have a stored procedure that updates a series of columns (set at varchar(500) just to ensure there is ample space for whatever data is inserted into it) .Once it has updated though I've wanted to trim the column width down to the maximum size of the column value. I determine the max size of the column length and use that in a pl/sql command to ensure the width isn't smaller than the largest data entry.
When I try to do this I get the following message:
ORA-01441: cannot decrease column length because some value is too big
Now after hunting this down it seems as though you cannot decrease the size of a column once data has been inserted into it.
Any success in reducing the column width of a table that has data in it?
Why do I need to do this? I am exporting this table from Oracle into a propriety application and I am trying to reduce teh size of the export table by removing any unecessary space the unused spaces in the column. This will benefit the local app in addition to reducing the impact on the filesystem storage.
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Jul 26, 2004
I have column names stored in a table(say t1).
Inside a trigger I have to dynamically get the : old. values for only these columns.
This I need because during update trigger on a table (say t2) I am supposed pickup the coumn names stored in t1 and get the : old values of only these columns to insert into a new table .
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Oct 15, 2013
I need to have columns dynamically defined in my SQL based on the column values in the table.
Selct emp_no,dept_no,grade from emp;
emp_no dept_no grade
----------------------------------
1 10 A
2 20 B
3 20 A
4 10 C
5 10 A
6 20 C
7 10 B
8 20 C
I need the output as
dept_no Count_A Count_B Count_C
---------------------------------------------
10 2 1 1
20 1 1 2
I can write hard coded sql to get this output but I need the count columns to be generated dynamically as there could be new entries in the grade column later. For example if there is a entry as D for the grade column my SQL should have a column count_D.
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May 30, 2012
I have two string one is comma separated values as a column name and another string which is having the comma separated value corresponding to the column name.
Example:
string1:='col1,col2,col3'
string2:='1,aaple,'2-jul-75'
now i have to create and run a query which will be like that
select * from emp where col1=1 and col2='apple' and col3='2-jul-75'
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May 18, 2010
converting Rows to Column for a specific group.
Following is the query
SELECT Lpad(papf.employee_number, 6, '0') "File#",
papf.full_name,
Decode(ppee.processing_type, 'R', Decode(ppee.element_name,
'Regular Wages USD', peev.screen_entry_value,
'Regular Salary USD', Round(peev.screen_entry_value / 26, 2),
0),
[Code]...
Which gives me out put as
Example 1
Employee Number Name Value Rate Type Type Assignment Id
-----------------------------------------------------------------
4 Employee 1 800 N 5 Yr Bonus 64
4 Employee 1 1063 N 6 Months Bouns 64
4 Employee 1 24.04 H Reg Hourly Sal 64
5 Employee 2 6923.08 S Reg Sal 65
6 Employee 3 5961.54 S Reg Sal 66
6 Employee 3 15000 N 6 Months Bouns 66
I want to convert above out to look like following
Emp Num Name Value Rate Type Type Val 1 Rate Type 1 Type 1 Value 2 Rate Type 2 Type 2 Assignt Id
-------------------------------------------------------------------------------------------------------------------
4 Employee 1 24.04 H Reg Hourly Sal 800 N 5 Yr Bon 1063 N 6 Mon Bon 64
5 Employee 2 6923.08 S Reg Sal 65
6 Employee 3 5961.54 S Reg Sal 15000 N 6 MontBon 66
Example of Query Output 2.
Employee Number Name Value Rate Type Type Assignment Id
--------------------------------------------------------------------------------
4 Employee 1 800 N 5 Yr Bonus 64
4 Employee 1 1063 N 6 Months Bouns 64
4 Employee 1 1345 N Patent Bonus 64
4 Employee 1 24.04 H Reg Hourly Sal 64
5 Employee 2 6923.08 S Reg Sal 65
6 Employee 3 5961.54 S Reg Sal 66
6 Employee 3 15000 N 6 Months Bouns 66
Desired Output from Above Query. As you can see column have increased as one more row for same employee has increased
ENu Nm Val RTy Ty Val1 RTy1 Ty1 Val2 RTy2 Ty2 Val3 RTy3 Ty3 AsgId
-------------------------------------------------------------------------------------------------------------------
4 E1 24.04 H Reg Hour Sal 1063 N 6 Mon Bns 1345 N Pat Bon 800 N 5YB 64
5 E2 6923.08 S Reg Sal 65
6 E3 5961.54 S Reg Sal 15000 N 6 Mos Bns 66
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Nov 3, 2010
I have a Strange requirement from client data is loaded from excel to Oracle Table- TST_TBL (with Header in Excel)
CREATE TABLE TST_TBL
(
JOB_DETAIL_ID NUMBER,
SHEET_NAME VARCHAR2(100 BYTE),
COL1 VARCHAR2(400 BYTE),
COL2 VARCHAR2(400 BYTE),
COL3 VARCHAR2(400 BYTE),
COL4 VARCHAR2(400 BYTE),
[Code]...
After the Data is loaded, we see data look like the above.
(1) Always COL3 column name have data value as 'Gen1' which is the indication for us from where data starts. But Gen1, Gen2, Gen3 etc... is dynamic. ie. This month we get gen1 and gen2 columns followed by null value in a column. Next month we get gen1,2,3,4 followed by null column.
(2) Null Column indicate us that there is a break in the column.
(3) Then next we need to look for next group of data (Monthly) and then insert into the same table again with different sheet_name column.
(4) Next for Quater and then YTD. None of the column Values are fixed and its all dynamic.
If you load the below data, you will come to know what i am looking for. I tried using UNPIVOT. But couldnt able to achieve it. Is there an option to do it in sigle query? or Do I need to go for Stored Procedure?
Insert into TST_TBL
(JOB_DETAIL_ID, SHEET_NAME, COL1, COL2, COL3,
COL4)
Values
(100, 'Wire_1', 'Gen1',
'Gen2', 'Gen3', 'Gen4');
Insert into TST_TBL
[Code]....
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Sep 1, 2012
So, for lack of a better way to explain it, I need to do the following.
I need a EXECUTE IMMEDIATE to be able to use a CURSOR but its saying its not declared. Is their a way to pass the cursor so a Execute Immediate can use it...
V_SQL := 'REPLACE(V_DATA,'TEST',CUR_DATA.'||V_FIELD||');';
EXECUTE IMMEDIATE (V_SQL);
I know thats just a small part... but it shows the end goal. I need to append a VARCHAR that has the COLUMN NAME I need from the CURSOR. CUR_DATA is the open cursor. V_DATA is just a VARCHAR with text in it.
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Feb 8, 2013
I have a problem with Dynamic SQL.
I have written an SQL which will dynamically generate the Select statement with from and where clause in it.
But that select statement when executed will get me hundreds of rows and i want to insert each row separately into one more table.
For that i have used a ref cursor to open and insert the table.
In the select list the column names will also be as follows: COLUMN1, COLUMN2, COLUMN3,....COLUMNn
find below the sample code:
TYPE ref_csr IS REF CURSOR;
insert_csr ref_csr;
v_select VARCHAR2 (4000) := NULL;
v_table VARCHAR2 (4000) := NULL;
v_where VARCHAR2 (4000) := NULL;
v_ins_tab VARCHAR2 (4000) := NULL;
v_insert VARCHAR2 (4000) := NULL;
v_ins_query VARCHAR2 (4000) := NULL;
[Code]...
How to fetch the column names here
|| ');';
EXECUTE IMMEDIATE v_ins_query;
END LOOP;
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Feb 8, 2013
I have written an SQL which will dynamically generate the Select statement with from and where clause in it. But that select statement when executed will get me hundreds of rows and i want to insert each row separately into one more table.
For that i have used a ref cursor to open and insert the table.
In the select list the column names will also be as follows: COLUMN1, COLUMN2, COLUMN3,....COLUMNn
find below the sample
TYPE ref_csr IS REF CURSOR;
insert_csr ref_csr;
v_select VARCHAR2 (4000) := NULL;
[Code].....
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Nov 4, 2013
I am having a table structure like below.
city amt1 tx_date
-----------------------------------------------------
Blr 10000 20050101
Delhi 25000 20050101
Blr 10000 20050102
Blr 2100 20050103
DELHI ...... 20050104
...... ....... ........
i have to place the data in following manner.
city 20050101 20050102 20050103 20050104 ...........etc
-------------------------------------------------------
Blr 10000 10000 2100
Delhi 25000 0 0
Depending on the no. of distinct dates in table 1 i have to make those many columns in table 2. I m trying to write a Query in SQL. If its not possible in SQL give me PL/SQL procedure.
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Feb 20, 2012
I don't know what column name would there for my new view. so can i use dynamic SQL in View so that I can get correct column name?
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Nov 16, 2012
I want the output from two tables with rows to columns and generate dynamic basing on the columns.
For example: Table A (a1) , Table B(a1,b1)
Data: A B
------ ----
a1 a1 b1
--- ---- ----
1 1 x
2 1 y
3 2 a
2 b
2 c
o/p: Columnname col_1 col_2 col_3
-----------------------------------------------
a1 b1_1 b1_2 b1_3
----- ---------------------
1 x y
2 a b c
Columns should be generated based on the second table second column.
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Dec 26, 2011
i used sql loader to import data from csv file to my db.but every time the columns places are changed.o i need dynamic way to insert data into correct column in the table.
in csv file contains column name and i insert this data to temp table, after that i want to read data over column name.also i read the column names from (All_Tab_Columns) to make combination of column name between temp table and All_Tab_Columns table to insert data to right place...
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Dec 28, 2010
I was wondering how can I do below statement in oracle
update table1 t1 set t1.column1 = t2.column2
from table2 t2 inner join table3 t3 on t3.column3=t2.column4
where t3.column5 is null
I tried read up merge and update, but not really understand how the syntax works in oracle.
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May 7, 2013
I have an interactive report which contains the columns like
<li>empno
<li>Name
In the above i have "empno" with a column alignment of left and a "Name" with a column alignment of left.
Whether it is possible to override the data alignment that we set in the report according to the value of the application item like
If my application item value is US, then i need the column alignment of both the column"empno" and "Name" to be left and if my application item value is AR, then i need the column alignment of both the column "empno" and "Name" to be right. Whether is it possible to achieve the dynamic alignment to the report data of both the columns "empno" and "Name" according to the application page item value.And also in the case of page item i have a page item with a name P1_NAME in which it has a Element Horizontal/Vertical alignment to left.
I need that element alignment of the page item to behave dynamically according to the application page item, like if the application page item is US then the element alignment of the page item has to be left and if the application page item is AR then the element alignment of the page item has to be right.
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Feb 23, 2013
I Have an apex page that display a modal window utilizing jquery. In the modal window I have a classic report with a link column that I want to capture its click event.
I was thinking I could create a dynamic action with selection type=jquery selector. Not for sure if I need to do anything on link column and do not know the syntax jquery selector.
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Oct 22, 2010
I have a table ITEM as under;
ARTICLE VRTCODENAMESTATUSNEW_NAME
4KABAN.NM.12.21121143SU19I
4KABAN.NM.12.21564101SU23I
4KABAN.NM.24,5.22491015SR08I
4KABAN.NM.24,5.23181038SR22I
4KABAN.NM.24,5.23491015SR08I
4KABAN.NM.24,5.24121161SR26I
how to update the filed from NAME to NEW_NAME, I need following output.
ARTICLE VRTCODENAMESTATUSNEW_NAME
4KABAN.NM.12.21121143SU19ISU19
4KABAN.NM.12.21564101SU23ISU23
4KABAN.NM.24,5.22491015SR08ISR08
4KABAN.NM.24,5.23181038SR22ISR22
4KABAN.NM.24,5.23491015SR08ISR08
4KABAN.NM.24,5.24121161SR26ISR26
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Dec 6, 2012
updating the column values.
Test data:
CREATE TABLE test_at(nr_a NUMBER, nr_id NUMBER) TABLESPACE ECLP_DATA01
INSERT INTO test_att VALUES(90270091,NULL);
INSERT INTO test_att VALUES(90270091,NULL);
[Code].....
I need to update "nr_id" column of test_at table with the values from test_d table. They can be udpated in any order.
I tried to update using rownum but it failed with "single row subquery returns more than 1 row...."
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Sep 17, 2007
While updating a table, is it possible to get the old value of a column. I need to get it inside a PLSQL block and not in a trigger.for example :-
DECLARE
l_amountNUMBER(5) := 0;
BEGIN
UPDATECustTransactions
SETamount = 150
WHEREcust_id = 5412
RETURNING amount INTO l_amount;
DBMS_OUTPUT.PUT_LINE ( 'l_amount= ' || l_amount );
END;
By using the RETURNING clause i am getting the new updated value. I need the old value for some processing. Do i have to explicitly query it before the update stmt? Pls reply.
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Apr 17, 2013
I am having a table with out a primary key .It also contains data.
My requirement is to add a new column to the table and update the column value with unique and sequential number , starting from 1 to end of rows.
This has to be done without using a sequence.
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Mar 14, 2013
There is a need for me to UPDATE a DATE column from one date to another. So as an example,
we have TABLE A and Table A has a column (DATE_TO) with date field value off
DATE_TO
31-DEC-99
12-APR-15
15-MAR-16
What I want to do is update '31-DEC-99' to '31-MAR-13' and for it to only effect '31-DEC-99' (the others are fine).
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Apr 1, 2012
HOW TO STOP THE UPDATE IN PK COLUMN?
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Jul 18, 2013
I need to update a column with tab delimited ie that column value should be tab delimited. Eg:- Url_name is the column and column values =[URL]. THe space between [URL] should be tab delimited. I wanted to use a update query to update this values with tab delimited.
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