Storage structured by different record types in a single column
It is more a matter of theory (10g R2), rather than a real problem that I have, just wondering if this is possible and everybody else has done before.I have 2 tables, in a test env:
CUST
- - - -
number of cust_id
name varchar2
date of date of birth
ACCOUNT
- - - - - - -
number of cust_id
number of acc_id
I have an obligation to update two tables every morning with a set of static data, for testing purposes.
Is it possible to create a single table, which allows to store the records in two tables, that is to say...
-J' I create an object type for both structures Records
-Create a new table record above types with 1 column that indicates if the record is CUST/ACCOUNT and the second column, a kind of generic type object that can store either.
In this way, refresh code that runs each morning just one table to loop through, and depending on whether a CUST/ACCOUNT can run different sql to do the select / insert.
PS I have not access to the db at the min so have failed to try it before posting, just thought I would check first of all in case its not feasible.
Thanks in advance.
SMON wrote:
liked the idea of having a unique and central table to store all data, instead of x number of tables and overhead that comes with them. (x could be 2 or 200!).
This may seem attractive, but then you get into the realms of design model of Entity attribute value. There, throughout the history of computing, proved to be a very bad way to design databases.
Here is a link to a story on a company that did come down from this kind of route... (Boneist link ;)) favorite...)
[Bad CaRMa | http://www.simple-talk.com/opinion/opinion-pieces/bad-carma/]
There are a few people out there who insist it is a good method of design, but they are rare and usually their arguments in support of such a structure are inherently flawed. RDBMS is designed to better deal with the data stored in a relational structure (whether for OLTP or OLAP) relational design is therefore preferable and more efficient in almost all cases.
Tags: Database
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TYPE t_ref_cursor IS REF CURSOR RETURN NUMBER;
*
ERROR on line 2:
ORA-06550: line 2, column 24:
PLS-00362: Invalid cursor return type; 'NUMBER' must be a record type
ORA-06550: line 2, column 3:
PL/SQL: Ignored ElementIn the code above, SELECT COUNT (*)... returns a NUMBER. I know it's an aggregation function, but it returns a single value.
Why can't return a value in a column of a row in a NUMBER?
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>
The exception is in line 2: your cursor statement. And the answer is in the text that you access
>
The return value of a strongly typed REF CURSOR must be a folder that can be defined using % TYPE % ROWTYPE attributes or record structure.
>
You said the CURSOR to return a NUMBER. And as the text says, he must be a 'record '.
>
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>
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Oracle 10.2 g
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[http://asktom.oracle.com/pls/apex/f?p=100:11:0:NO:]
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HESH.HESH wrote:
but following does not.
declare type array is table of t1%rowtype; l_data array; begin select * bulk collect into l_data from t1; forall i in 1 .. l_data.count execute immediate 'insert into (select x, y from t2) values :x' using l_data(i); end;
I want just a dynamic SQL code for the insert with FORALL statement would adopt as well as collections.
Doesn't make much sense.
Extract you the data from the SQL engine in the table of the record type. If the output data that cursor SQL must be read in the SQL engine and copied into the memory of PL/SQL engine.
Then, you send that VERY SAME DATA back to the SQL engine to be used by a SQL insert cursor.
Where is the logic behind the extraction of data from SQL in a PL/SQL table structure and then push this same structure table on the SQL engine database? What is the purpose to send data on a detour of underperforming and non-scalale through the PL/SQL engine?
You have any justification (technical or functional wise) to back up this absurd approach?
Why this can be achieved using a single SQL cursor that does both the choice (extraction) and (in bulk) insertion - using the plain old INSERT... SELECT structure?
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Hello experts.
create type emp2_obj is object
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objname varchar2(20),
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create type emp2_objarr is table of emp2_obj;and
type emp2_rec is record
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recname varchar2(20),
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user13328581 wrote:
the only reason why I ask is because he asked during an interview
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Hi all
create the table wages (a number;
b the number);
--=================================================
declare
type record_salary is record
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number of rec_num);
type type_salary_tab is table of the record_salary
index by pls_integer;
tab_rec type_salary_tab;
Start
Select a, b, sum (b)
bulk collect into tab_rec
salary;
end;
get an error: expression tab_rec in the list is of the wrong type...
IF I can create the folder table, and I'm not bulk collect into it so that it uses for?
Thanks in advance
Hello
Please try the below.
DECLARE
Record_salary RECORD TYPE IS
(
rec_salary NUMBER,
rec_num NUMBER,
NUMBER OF SUM_OF_REC
);
TYPE type_salary_tab IS TABLE OF THE record_salary
INDEX BY PLS_INTEGER;
tab_rec type_salary_tab;
BEGIN
SELECT a, b, SUM (b)
LOOSE COLLECTION tab_rec
ON treatment
GROUP BY A, B;
DBMS_OUTPUT. Put_line (tab_rec. COUNT);
END;
1 group by is missing
2 guy's got that two elements
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Kind regards
Cool
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Record Type in need help package tests
Hello
Please can you help me in the record Type of tests that I defined as:
I said record Type in the package TEST_PART_PKG
CREATE OR REPLACE PACKAGE TEST_PART_PKG AS
TYPE req_line_rec_type () IS RENDERING
PART_NUMBER VARCHAR2 (100),
part_line_num NUMBER,
part_name VARCHAR2 (100),
part_po_number VARCHAR2 (100),
un_number NUMBER,
part_class VARCHAR2 (20).
part_org_name VARCHAR2 (50));
TYPE req_line_tbl IS TABLE OF THE req_line_rec_type
INDEX OF DIRECTORY;
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IN OUT NOCOPY p_req_line_tbl req_line_tbl,
p_init_msg IN VARCHAR2,
p_req_line_tbl_out OUT NOCOPY req_line_tbl,
p_req_line_err_tbl OUT NOCOPY req_line_tbl,
p_submit_approval IN VARCHAR2,
x_return_status OUT NOCOPY VARCHAR2,
x_error_msg OUT NOCOPY VARCHAR2,
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I want to call the procedure packaged using:
DECLARE
BEGIN
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END;
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Concerning
Etbin
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Hi friends,
Is it possible to use XMLTYPE with record types?
For example, in the following code I expect output voltage
< TY_EMP > < > 1001 EMPNO < / EMPNO > < ADAMS ENAME > < / ENAME > < SAL > 5000 < / SAL > < TASK MANAGER > < / JOB > < / TY_EMP >
The code is...
DECLARE
Ty_emp RECORD TYPE IS
(
EmpNo INTEGER
, ename VARCHAR2 (100)
NUMBER of sal
, VARCHAR2 (100) employment
);
r_emp ty_emp;
BEGIN
r_emp.EmpNo: = 1001;
r_emp. Ename: = "Adams";
r_emp. SAL: = 5000;
r_emp.job: = "MANAGER";
-This line gives the error.
dbms_output.put_line (XmlType (r_emp). GETSTRINGVAL()); -Here, I don't want to talk about all the fields in the record. I just need to specify the name of the record.
END;
p.s. to use object types to generate XML data...
SQL > ed
A written file afiedt.buf1 TYPE to CREATE or REPLACE ty_emp () AS OBJECT
2 empno INTEGER
3, ename VARCHAR2 (100)
4, NUMBER of sal
5, job VARCHAR2 (100)
6* );
SQL > /.Type of creation.
SQL > ed
A written file afiedt.buf1 DECLARE
2 r_emp ty_emp: = new ty_emp (null, null, null, null);
3 BEGIN
4 r_emp.empno: = 1001;
r_emp.ename 5: = "Adams";
6 r_emp.sal: = 5000;
7 r_emp.job: = "MANAGER";
8 dbms_output.put_line (XMLTYPE (r_emp) .getstringval ());
9 * END;
SQL > /.
1001 Adams 5000 MANAGER PL/SQL procedure successfully completed.
SQL >
-
Using record type and Table and sorting out output
I use a record type
- TYPE results_rec is RECORD)
- table_ varchar2 (40),
- (1) tank Create_: = '-'.
- (1) tank read_: = '-'.
- Char (1) warning: = '-'.
- Delete_ char (1): = '-');
and a table of this record
- Results_tab TYPE IS TABLE of results_rec INDEX OF VARCHAR2 (40);
- tab_res results_tab;
- table_indx varchar2 (40);
And when I add values to this table, I do like that, for example, an entry of functioning drop in table:
- v_check: = instr2 (v_string_fnc, 'DROP');
- If v_check > 0 then
- counter: = counter + 1;
- delete_flag: = ';
- v_check: = instr2 (v_string_fnc, 'TABLE', v_check);
- v_check: = v_check + 6;
- result_table: = substr (v_string_fnc, v_check);
- rest_string: = result_table;
- result_table: = substr (result_table, 0, instr (result_table, ' '));
- result_table: = rtrim (result_table);
- table_indx: = result_table;
- tab_res (table_indx) .table_: = result_table;
- tab_res (table_indx) .delete_: = delete_flag;
and similar to all other interventions, but how to get while dbms_output.
For table_indx in? and now, table_indx is a string value, how to get all the in the output, sorted by ASC .table_ tab_res (table_indx) string?
Well, tab_res. FIRST returns the first index of tab_res which is a VARCHAR2, while an index of the loop is supposed to be a NUMBER.
You cannot use FOR... LOOP element, you use WHILE... LOOP, for example
SQL > SET SERVEROUTPUT ON;
SQL > DECLARE
2 TYPE Results_rec IS RECORD)
3 table_ VARCHAR2 (40),
4 create_ VARCHAR2 (1): = '-'.
5 read_ VARCHAR2 (1): = '-'.
6 warning VARCHAR2 (1): = '-'.
7 delete_ VARCHAR2 (1): = '-');
8
9 results_tab TYPE IS an ARRAY OF results_rec
10-VARCHAR2 INDEX (40);
11
12 results results_tab;
13
14 variable_name VARCHAR2 (40);
BEGIN 15
16 results ('name_a') .table_: = 'name_a ';
17 results ('name_a') .create_: = 'x '.
18
19 results ("name_b') .table_: = 'name_b;
20 results ("name_b') .update_: = 'x '.
21
22 results ("name_c") .table_: = "name_c";
23 results ("name_c") .read_: = 'x '.
24 results ("name_c") .delete_: = 'x '.
25
26 nom_de_variable: = results. FIRST;
27
28 variable_name IS NOT NULL LOOP
29
30 DBMS_OUTPUT. PUT_LINE)
31 results (variable_name) .table_ | ' ' ||
32 results (variable_name) .create_ |
33 results (variable_name) .read_ |
34 results (variable_name) .update_ |
35 results (variable_name) .delete_);
36
nom_de_variable 37: = results. NEXT (variable_name);
38 END LOOP;
39 END;
40.
name_a x-
name_b - x-
name_c - x - x
PL/SQL procedure successfully completed.
SQL >
-
HelloI have a requirement of the company, where I need to return a record type (OUT parameter) for environment call based on the given input value.
Suppose that if the value is correct and corresponding record is found in the table then the return values for this key entry. If matching record is found, then return the exception to the calling environment.
To do this, I created an example of test table and populated records.
create table plch_test(dept_id number,dept_name varchar2(50),cost_centre number); insert into plch_test values(10,'SALES',1010); insert into plch_test values(20,'FINANCE',2010); insert into plch_test values(30,'MKTG',3010); SQL> select * from plch_test; DEPT_ID DEPT_NAME COST_CENTRE ---------- -------------------------------------------------- ----------- 10 SALES 1010 20 FINANCE 2010 30 MKTG 3010
I wrote a simple block and gave a valid key dept_id (10 in this case) to display costcentre for this dept_id and dept_name I said tow types of records, one for valid record and another exception
SQL> DECLARE 2 TYPE rec_dept IS RECORD(dept_name varchar2(50),cc number); 3 l_rec_dept rec_dept; 4 TYPE rec_exception IS RECORD(err_code number,error_message varchar2(300)); 5 l_rec_exception rec_exception; 6 BEGIN 7 SELECT dept_name,cost_centre 8 INTO l_rec_dept 9 FROM plch_test 10 where dept_id=10; 11 dbms_output.put_line('DEPT_NAME'||' '||l_rec_dept.dept_name||' '||'COSTCENTRE'||' '||l_rec_dept.cc); 12 EXCEPTION WHEN NO_DATA_FOUND THEN 13 l_rec_exception.err_code:=sqlcode; 14 l_rec_exception.error_message:=sqlerrm; 15 dbms_output.put_line(l_rec_exception.err_code||' '||l_rec_exception.error_message); 16 END; 17 . SQL> / DEPT_NAME SALES COSTCENTRE 1010 PL/SQL procedure successfully completed. SQL>
Now for invalid dept_id and expose the message by using exception record type I stated.
SQL> ed Wrote file afiedt.buf 1 DECLARE 2 TYPE rec_dept IS RECORD(dept_name varchar2(50),cc number); 3 l_rec_dept rec_dept; 4 TYPE rec_exception IS RECORD(err_code number,error_message varchar2(300)); 5 l_rec_exception rec_exception; 6 BEGIN 7 SELECT dept_name,cost_centre 8 INTO l_rec_dept 9 FROM plch_test 10 where dept_id=40; --Invalid --data is not present 11 dbms_output.put_line('DEPT_NAME'||' '||l_rec_dept.dept_name||' '||'COSTCENTRE'||' '||l_rec_dept.cc); 12 EXCEPTION WHEN NO_DATA_FOUND THEN 13 l_rec_exception.err_code:=sqlcode; 14 l_rec_exception.error_message:=sqlerrm; 15 dbms_output.put_line(l_rec_exception.err_code||' '||l_rec_exception.error_message); 16* END; SQL> / 100 ORA-01403: no data found PL/SQL procedure successfully completed.
Now as you can see I need to include this point in a procedure with an input parameter and output must be a record types which will return
rec_dept if it becomes a key input valid or an exception if she meets a key not valid.
CREATE PROCEDURE test_prc IS(p_in_dept_id IN plch_test.dept_id,p_output ?????? DECLARE TYPE rec_dept IS RECORD(dept_name varchar2(50),cc number); l_rec_dept rec_dept; TYPE rec_exception IS RECORD(err_code number,error_message varchar2(300)); l_rec_exception rec_exception; BEGIN BEGIN SELECT dept_name,cost_centre INTO l_rec_dept FROM plch_test where dept_id=p_ind_dept_id; RETURN l_rec_dept; EXCEPTION WHEN NO_DATA_FOUND THEN l_rec_exception.err_code:=sqlcode; l_rec_exception.error_message:=sqlerrm; RETURN l_rec_exception; END; dbms_output.put_line('DEPT_NAME'||' '||l_rec_dept.dept_name||' '||'COSTCENTRE'||' '||l_rec_dept.cc); END;
Hope that the explanation above help in imposes the requirement
Kind regards
Claudy kotekal
Return a record which can mean two things is complicated; I'm not an experienced myself pl/sql developer, but this looks like a craft.
The idea of exceptions under Sir Thomas of Kyte, is that any treatment must be stopped; You should RAISE an exception to the appellant so that he can figure out what to do with it. What you are saying, this is an exception, but is not a little, cos it's okay, I'll just keep but I will go back to the appellant in any way, but the appellant shall include this registration type is - would it be a record representing a row of the table, or it might be an exception... yuck.
(a) is it really an exception
(b) what do you do with it? You he could log into a table, you could write to a file, you can display an error message on the screen
But really, it's weird to want to pass an exception as return value.
These are all considerations of design, not really anything to do with the pl/sql language in itself.
But hard, if you send a record type a successful being found, registration-based stick to it and don't use it to return a record; do not try to do double duty with her flipping something else. Just save the message put in a table, or print it to the console, or what you want to do with; but as I said, the most important decision is, is this really an exception. And is based on the data model and the expectations of cleanliness of the data etc.
Think about how you call built-in functions. If you send garbage to a built-in function it does not return successfully, leaving you to figure out whether he succeeded or not by inspecting the return value; It goes kaboom, something bad happened. That's what your function should do if something bad happens, that is to say, if you get an exception, it should probably go kaboom.
-
How to use the record type as a parameter IN PL/SQL procedure or package
Hi people,
I need help on the record as the OUT parameter type. I am able to get out a single line as a parameter, but not getting do not idea how to get a multi ranks as output parameter.
I have the code that works very well for a single line. Please see CODE1.
But when I try to get several lines, I'm failing to do. Please see the CODE2. I get the error of compilation as
Error report:
ORA-06550: line 11, column 35:
PLS-00487: Invalid reference to the variable "P_NAME.
ORA-06550: line 11, column 1:
PL/SQL: Statement ignored
06550 00000 - "line %s, column % s:\n%s".
* Cause: Usually a PL/SQL compilation error.
Any help or a sample execution of script would be really useful.
Thanks in advance.
YZ
--------------------------CODE1------------------------------------------
-------------------------Package Spec-------------------------------
CREATE OR REPLACE
PACKAGE xx_sample_pkg as
--
Xx_sample_table_rectype RECORD TYPE IS
(p_name varchar2 (40))
number of p_emp_id
);
PROCEDURE xx_sample_prc (xx_sample_rec1, OUT xx_sample_table_rectype);
END xx_sample_pkg;
------------------------------Package Body------------------------
create or replace
PACKAGE xx_sample_pkg AS BODY
--
PROCEDURE xx_sample_prc (xx_sample_rec1 OUT xx_sample_table_rectype) IS
BEGIN
SELECT ename, empno
IN xx_sample_rec1
FROM scott.emp
WHERE ename = 'SMITH ';.
END xx_sample_prc;
END xx_sample_pkg;
-------------------------------------------Execute----------------------
DECLARE
l_rec_type xx_sample_pkg.xx_sample_table_rectype;
BEGIN
dbms_output.put_line ('xx_sample_prc appeal');
xx_sample_pkg.xx_sample_prc (l_rec_type);
dbms_output.put_line ('YZ' | l_rec_type.p_name |') '|| l_rec_type.p_emp_id);
END;
---------------------------------------------------------------
-------------------------CODE2-------------------------------------------
-------------------------Package Spec-------------------------------
CREATE OR REPLACE
PACKAGE xx_sample_pkg as
--
Xx_sample_table_rectype RECORD TYPE IS
(p_name varchar2 (40))
number of p_emp_id
);
PROCEDURE xx_sample_prc (xx_sample_rec1, OUT xx_sample_table_rectype);
END xx_sample_pkg;
------------------------------Package Body------------------------
create or replace
PACKAGE xx_sample_pkg AS BODY
--
PROCEDURE xx_sample_prc (xx_sample_rec1 OUT xx_sample_table_rectype) IS
BEGIN
SELECT ename, empno
IN xx_sample_rec1
FROM scott.emp;
END xx_sample_prc;
END xx_sample_pkg;
-------------------------------------------Execute----------------------
DECLARE
l_rec_type xx_sample_pkg.xx_sample_table_rectype;
BEGIN
dbms_output.put_line ('xx_sample_prc appeal');
xx_sample_pkg.xx_sample_prc (l_rec_type);
for l_rec in 1.l_rec_type.p_name.count
loop
dbms_output.put_line ('YZ' | l_rec_type.p_name (l_rec) |) » '|| l_rec_type.p_emp_id (l_rec));
end loop;
end;
---------------------------------------------------------------
bb8c573a-6ca3-4d7c-90ed-e55c2df67201 wrote:
But now, my question would be why the record type could not be used? My understanding is missing some concept between use of type type array collection record vs. Please specify.
Do not confuse the folder with the collection.
SY.
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Manufacturers of record Type in packages
I'm having trouble getting this error. Here is an example of my code:create or replace PACKAGE MyPackage AS TYPE MyPerson IS RECORD ( "NAME" VARCHAR2(255 CHAR) ); FUNCTION GetPerson RETURN MyPerson; END MyPackage;
After executing these separately, I get the following errors when executing the BODY of PACKAGE statement:create or replace PACKAGE BODY MyPackage AS FUNCTION GetPerson RETURN MyPerson AS John MyPerson := MyPerson('John'); BEGIN RETURN John; END GetPerson; END MyPackage;
Error (6,10): PL/SQL: ignored element
is there a particular reason, I can't use a type defined in the PACKAGE header?
Error (6.22): PLS-00222: no function with name "MYPERSON" does exist in this scope
Error (8.5): PL/SQL: statement ignored
Error (8,12): PLS-00320: the declaration of the type of the expression is incomplete or incorrect
Select * from V$ Version:database Oracle 11 g Enterprise Edition Release 11.2.0.3.0 - 64 bit Production
EDIT: formatting and v$ version
PL/SQL Release 11.2.0.3.0 - Production
"CORE 11.2.0.3.0 Production."
AMT for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
Published by: 961346 Sep 25, 2012 12:39Hello
MyPerson is a record type, and it is not a collection.
The collections have constructors.
Not record.Try like this:
create or replace PACKAGE BODY MyPackage AS FUNCTION GetPerson RETURN MyPerson AS John MyPerson; BEGIN john.name := 'John'; RETURN John; END GetPerson; END MyPackage;
Kind regards
Peter
Published by: Peter vd Zwan Sep 25, 2012 12:56
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