Forms :: Dynamic Variable In Place Of Username In Each Select Statement Throughout Application
Jul 25, 2010
I have a problem that i have hard coded the username.tablename in each select statement of all forms of my application. Now i want to use a dynamic variable in place of username in each select statement throughout the application. The example is:
select * from scott.emp
and i want to write it as:
select * from variable.emp
But at compilation of the form the compiler should know the above variable name.
I have tried to use following select statement but it does not work.
select user into :global.username from user_users
I think perhaps my problem would be solved with Dynamic SQL Statement but i have no experience by using this statement.
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Jul 4, 2010
i want to select dynamic column names in my select statement in my function.
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Jul 5, 2011
I'm trying to write a simple query so I can do some testing on my application. I am trying to do something like this:
SELECT
Location,
LEVEL,
FROM
S_ORG_EXT
where
Location = 'North America' and LEVEL ='Software'
OR location = 'North America'
and Active = 'N'
in the where statement, I have put in the 'Active' that isn't a column. I want to be able to be able to change that in the select part. But I am not able to do so.
this is what I have tried:
SELECT
Location,
LEVEL,
Active = 'N' --I want to change this in the to N or Y so I can get different results.
FROM
S_ORG_EXT
where
Location = 'North America' and LEVEL ='Software'
OR location = 'North America'
and Active = 'N'
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Apr 5, 2011
here is what i am trying to do: im as using oracle 8 with sqltool
i have a Very large query. and i notice that many things are repeating. so i want to add them to a variable, instead of re-typing them. for example:
select SomeID from SomeTable;
i want SomeID to be put into a variable. but i still want to be able to get a normal select query at the end so that i can see the returned value:
i tried things like:
declare x number;
begin
set x=45454
select x from SomeTable;
end;
but could not get it to work.
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Nov 25, 2012
can we place insert statement in loop inside anonymous block?
CREATE TABLE DEP(DEPTID NUMBER(5) NOT NULL PRIMARY KEY,DNAME VARCHAR2(10),LOCID VARCHAR2(10));
DECLARE
I NUMBER(5);
BEGIN
I := 0;
LOOP
INSERT INTO DEP VALUES(&DEPTID,'&DNAME',&LOCID);
I := I+1;
EXIT WHEN I = 5;
END LOOP;
END;
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Nov 8, 2012
When a user selects a Plan Type (Parent Select list) Plan codes (Child select list) to be filtered, working OK.
When a plan code is selected I need to do conditional display of regions.
Example: Plan code = A then display Region A
Plan code = B then display Region B etc.
I have a DA on Plan code select list but it's not working as it's being a cascaded (child) select list and the 'Change' event is already fired when I selected the Plan type, I also tried with other event options with no success.
Plan code shows no value in the session.
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May 9, 2013
I wrote the following
DECLARE
VISCONNECTED BOOLEAN;
VCONEXAO EXEC_SQL.CONNTYPE;
VARQUIVO_SAIDA TEXT_IO.FILE_TYPE;
VCURSOR EXEC_SQL.CURSTYPE;
VCOLUMNVALUE VARCHAR2(2000);
VSTATUS PLS_INTEGER;
[code].....
But, on line "VSTATUS := EXEC_SQL.EXECUTE(VCURSOR);" i get the error (ORA-01007 - VARIABLE NOT IN SELECT LIST). Whats is wrong?
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Aug 10, 2011
HOW to use variable P_TMPLID in following statement
TYPE typ_unrecon IS TABLE OF REC_' || P_TMPLID ||'_UNRECON%ROWTYPE index by binary_integer;
because its throwing error while compiling
and also in statement
FORALL i IN unrecondata.FIRST .. unrecondata.LAST SAVE
EXCEPTIONS
--STRSQL := '';
--STRSQL := ' INSERT INTO REC_' || P_TMPLID ||'_UNRECON VALUES ' || unrecondata(i);
-- EXECUTE IMMEDIATE STRSQL;
INSERT INTO REC_' || P_TMPLID ||'_UNRECON VALUES unrecondata(i);---throwing error on this statement
commit;
--dbms_output.put_line(unrecondata(2).TRANSID);
EXCEPTION
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Feb 3, 2011
I am doing simple project, where i need to check date(form which we give in run time) with database column date.problem i have written the code for program now i found that select statement is return multi rows.
code is
when_button_pressed trigger.
declare
fdcode dmas.dcode%type;
fcodno dmas.codno%type;
famtrs dmas.amtrs%type;
fdate donres.rdate%type;
begin
[code]......
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Oct 17, 2012
I want to place change password link at the upper right of the page where logout link is..
i m using apex 4.1
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Jul 19, 2013
Yesterday i got wait event when executed simple select from table.This select was like:
SELECT emp_number from employer where subs_id = 111
I got one row, select is very fast.In our Core Bank System we have package with function which returns such information. I tested this select on test DB, and nothing wrong. But when I executed such select and package on Production DB, DB Admin saw that 88 sessions waits when my session release the resource. But what can happen, it was simple select? I used PL/SQL developer to get information from table:
1) SELECT emp_number from employer where subs_id = 111 then
2) Package with this function
Another users used Oracle Forms screen to execute package. How simple select statement could stop all DB?
BANNER
1Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
2PL/SQL Release 10.2.0.5.0 - Production
3CORE 10.2.0.5.0 Production
4TNS for 64-bit Windows: Version 10.2.0.5.0 - Production
5NLSRTL Version 10.2.0.5.0 - Production
[code]...
Forgot to say that after succeful execution on Prod DB I disconnected, and in EM my session was INACTIVE.
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Apr 26, 2010
In the query below, I'm attempting to replace task codes with task descriptions by left joining to a multi-purpose control table.
In our corp, the description for the task code varies based on the value of change_program in each record, so rather than referencing the value of code_index.tabl statically as I do in the query below (201), I need a dyanamic variable to be defined for each record based on the value of work.change_program, which would represent the value for code_index.tabl.
For each record
if change_program =1 then v_tabl = 201
elseif change_program =2 then v_tabl = 202
elseif change_program =3 then v_tabl = 203
else v_tabl = 201
how to declare and use variables.
SELECT account,
change_program,
task_code_01,
task_code_02,
task1.longdesc,
task2.longdesc
FROM work
[code]....
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May 14, 2013
I have to use bind variable for dynamic sql in a procedure. Is there a way to have control on these values. Say for example:
Procedur MyProc
(
In_EmpID Number default null,
In_EmpName Varchar2 default null,
in_JoinDate Date default null
[code]....
I have more than 5 In parameters, all 5 is not compulsory by default they are null and sql formation is also dynamic with in the procedure.I need to map bind variable to a proper one.. Is there a way to handle bind variable.
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Jul 17, 2013
I m trying to give table name as parameter to this function. It is compiling properly.But when an anonymous block is created to call this table value, it has to be fetched into a variable of Rowtype of this inputted table. So I am not able to create any ROWTYPE variable for this table dynamically.
//Function
create or replace function instant_tabula(tabula in varchar) return sys_refcursor
as
cur sys_refcursor;
str varchar2(20000);
begin
str := 'select * from ' || tabula;
open cur for str;
return cur;
end;
[code]....
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Sep 13, 2013
In the following merge statement in the USINg clause...I am using a select stament of one schema WEDB.But that same select statement should take data from 30 schemeas and then check the condition below condition
ON(source.DNO = target.DNO
AND source.BNO=target.BNO);
I thought that using UNIONALL for select statement of the schemas as below.
SELECT
DNO,
BNO,
c2,
c3,
c4,
c5,
c6,
c7
[code]....
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Apr 9, 2012
I have a table that has 10 columns which is used to store the customer information (e.g Gender, Age, Name). And i have wrote a store procedure to compare the before and after value of column since there has a parameter to control which column need/no need to be updated while the value being changed.
For example, master table "CUST" has column (NAME, GENDER, AGE). "CUST_TEMP" is a temporary table to store the input image which has the same table structure as "CUST".
DECLARE
bef_val CUST%ROWTYPE;
aft_val CUST_TEMP%ROWTYPE;
BEGIN
SELECT * INTO bef_val FROM CUST WHERE name = 'ABC';
SELECT * INTO aft_val FROM CUST_TEMP WHERE name = 'ABC';
[code]....
For the above case, i need to type 3 times of "sp_compare_val ( bef_val.xxx, aft_val.xxx )" on the program. And if the table has more than 10 columns, i need to type more than 10 times.Thus, is it possible to pass in a dynamic variable while calling the store procedure. let say, where the 'xxx' can be definable?
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Jan 11, 2012
I am using JDBC to run a few queries from my Java program (multi-threaded one).I am facing an issue where a select statement is blocking a delete statement. From the java code point of view, there are 2 different threads accessing the same tables (whith different DB connection objects).
When the block occurs (which i was able to find out from the java thread dump that there is a lock on oracle), the below is the output:
SQL> SELECT TO_CHAR(sysdate, 'DD-MON-YYYY HH24:MI:SS')
2 || ' User '||s1.username || '@' || s1.machine
3 || ' ( SID= ' || s1.sid || ' ) with the statement: ' || sqlt2.sql_text
||' is blocking the SQL statement on '|| s2.username || '@'
4 5 || s2.machine || ' ( SID=' || s2.sid || ' ) blocked SQL -> '
6 ||sqlt1.sql_text AS blocking_status FROM v$lock l1, v$session s1, v$lock l2 ,
7 v$session s2,v$sql sqlt1, v$sql sqlt2
8 WHERE s1.sid =l1.sid
9 AND s2.sid =l2.sid AND sqlt1.sql_id= s2.sql_id
AND sqlt2.sql_id= s1.prev_sql_id AND l1.BLOCK =1
10 AND l2.request > 0 AND l1.id1 = l2.id1 AND l2.id2 = l2.id2;
[code]...
From the above it can be seen that a select statement is blocking a delete. Unless the select is select for Update, it should not block other statements is not it ?
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Nov 11, 2012
Just explaining what I am trying to achieve:
1) i have a hr.departments table that was loaded in hr schema on 1st oct 2012 with 4 columns(department_id, department_name, manager_id, location_id)
2) now I have a new schema by my name 'rahul' and I have loaded departments table but now an additional column has come into picture,ie created_date, this table got loaded on 1st-Nov-2012
3) Now going forward my columns could be dropped from the departments table (it can be a case), for example might be my departments table in my schema 'rahul' one day could comprise of only 3 columns(department_id,department_name,manager_id)
4) Now in the next step, I have managed to extract common column names(in a single line where columns are delimited using a comma) from both the tables(hr.departments and rahul.departments) which are (department_id, department_name, manager_id, location_id) using all_tab_cols table and I have written a function for it which i will be pasting below.
5) now going forward, using the above column names line with column names delimited using comma, I have used a ref cursor and assigned a query to it using the line of columns that I have extracted from the above point
6) Now I want to create a record variable which refers to my ref cursor, something like we do when we create a record variable by reffering to an explicit cursor defination that we give in the declaration block.
PS:
1) I have been out of touch with plsql for a long time so I have lost a lot of mmeory regarding plsql.
2) basically I need to compare data in hr.departments table with rahul.departments table for only columns that are common to both the tables, rest new or discarded columns information will go in one of the log tables that I have created(this is done already)
Code :
===================================================================================================
create or replace procedure p_compare_data(fp_old_table_name in varchar2, fp_new_table_name in varchar2)
is
[Code].....
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Oct 31, 2010
whats the different between a #username and ?username in a SPARE1 column?
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Jun 1, 2013
11.2.0.1.0 g database.
I am trying for testing on test server where I am getting error while trying to connect
[URL].....
I am able to connect
[URL]........
and
[URL]......
The database version is 11g.
Actually my requirement is As I know we cannot use isqlplus in 11g we can use apex instead of isqlplus so any way or navigation how to use apex for isqlplus.
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May 26, 2010
am new to oracle based coding and am having a heck of a time trying to figure this out. Basically i need to declare 2 date variables, Begin date and End Date.
I then need an if statement that says if begin date = 0 or is null then set it to the first day of the previous month. and if end date = 0 or is null then set it to the last day of the previous month.
So for today 5/26/2010 i would need
begin date = 4/1/2010
end date = 4/30/2010
I have searched and tried but so far to no avail.
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Dec 29, 2010
Why Blind select is better than Conditional select Statement?
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May 19, 2010
I am using MERGE statement first time in my application but I am facing error.
begin
merge into store.comm_dept a
using factory_data.comm_dept b
on (a.cd_dcode = b.cd_dcode)
when matched then
[code]........
ERROR IS: encountered the symbol 'INTO' when expecting on of the following:
:=.(@%;
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Mar 1, 2012
open cp_cursor for 'Select curtailprogramkey from curtailProgram where curtailprogramid like 'l_rec.curtailprogramid%'';
NOTE: l_rec.curtailprogramid is varible. what is wrong in the above statement?
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Apr 20, 2012
I have statement like SELECT * FROM DIVISIONS;
i have to run this statement for different table, and I would like to pass the table name as variable
ex:
create or replace precedure dynamic_execute
v_tbl varchar2(30);
begin
---- assign table name here
v_tbl := DIVISIONS;
EXECUTE IMMEDIATE('SELECT * FROM '||v_tbl);
end;
/
When I executed the procedure I got error, how to pass the table name as variable and execute the statement successfully.
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Sep 14, 2012
For our customer we have build a custom login page. The form we currently made has de following items:
- Username
- Password
- Select list for selecting the task type
When the customer enters his username, automatically the select list of the task type will be refreshed to get only the task type where the customer has the rights to do it. This part works...It can occur that a customer has only one task type (which is default) then we want to hide the select list. This part doesn't work
We used APEX version 4.1.1.What we did is:
- One action item to refresh the selection list (works)
- One action item to hide the selection list by starting the application (works)
- One action item to show the selection list only when the selection list has more than one result. For this part we used the conditional part of the action item (Function returning a boolean).
In the query (inside the function) we want to use the entered username, looking into the application in the session state I saw the correct username, but for some reason the function cannot use this entered username, it becomes empty. When I use a hardcoded username the code works.
Why I cannot use a username into the conditional part of the Action Item.
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Jan 21, 2013
I need a PL/SQL stored procedure which will accept a datafile name as parameter and dynamically create and execute "alter tablespace" command to add this passed datafile dynamically.
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Aug 27, 2012
when i try to login to apex for first time (10.10.0.170:5555) it asked about server XDB username and password,i dont know which username and password i can use
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May 29, 2012
I want to display Boolean value of a variable in DBMS Print statement. I am able to do it by using simple if condition checking .How to print the value of Boolean variable directly ?
SQL> declare
2 boo boolean := true;
3 begin
4
5 if boo then
6 dbms_output.put_line('boolean variable value TRUE by checking if condition ');
[code]....
ORA-06550: line 9, column 24:
PLS-00306: wrong number or types of arguments in call to '||'
ORA-06550: line 9, column 3:
PL/SQL: Statement ignored
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Aug 23, 2012
i'm working in an Oracle 10g database on an IBM AIX server.
I have 3 tables (tables A, B and C).
Table A has columns -- product, rate and expiration date.
Table B has columns -- product, rate and deductible.
Table C has columns -- product, rider, gender, age and rate.
I also have a Master table which is used to store the data from Tables A, B and C via the insert statement.
I'm trying to create a dynamic SQL insert statement using a shell script to insert data from the columns in Tables A, B and C into my Master table. Master table does contains all columns from Tables A, B and C, although a column name could be spelled differently. For example, Master table contains a column named "deduct", while Table B has the same column spelled as "deductible".
I build the dynamic query using a for loop in my shell script (see below).
The problem is that i can't get the correct columns in the Master table in the dynamic SQL for the insert because depending on the table i'm selection from, the columns are different. So how do i get the correct columns in the SQL for the Master table?
Example Shell Script
--Archive_Rates.txt contains: Table A, Table B, Table C (but the next time my process runs, Archive_Rates might contain Table D, Table E and Table F -- each which have different column...but all columns are still in the Master table)
for tbl in `more Archive_Rates.txt`
do
echo 'BEGIN WORK; ' > rc1.sql
echo ' ' >> rc1.sql
echo 'insert into Master' >> rc1.sql
echo '(prod, rate, rate_exp) ' >> rc1.sql
[code].....
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