Procedural Language/Structured Query Language is Oracle Corporation's procedural language extension for SQL. Questions about PL/SQL should probably be tagged "oracle" as well.

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12154 error when using PL/SQL Developer

I have installed a few versions of Oracle on my machine. I have tried 64 bit and 32 bit versions. I have installed 11G. I need Oracle 10G 32 bit. Using the following guide I removed all versions of ...
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1answer
457 views

Oracle Packages, Procedures and Functions Not Respecting Roles

When you create a package, sproc or function in one schema (say, SCHEMA1) that accesses objects in another schema (SCHEMA2), even when SCHEMA1 has appropriate permissions to the respective SCHEMA2 ...
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1answer
507 views

Package state not re-intialized on raise_application_error

When a package has state and the header is changed, the first call gets an error stack something like this: ORA-04068: existing state of packages has been discarded ORA-04061: existing state of ...
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2answers
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Is there a bug with PL/Scope in combination with associative arrays?

I believe I stumbled upon a bug with PL/Scope in combination with associative arrays, but perhaps I overlook something. I have the following package create or replace package tq84_pkg_c as ...
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1answer
1k views

halt on error in a sqlplus script

I am deploying pl/sql code using several sql files that are called with @@file. If a package got a compilation error the script continues to the end. Is there a way to stop on every compilation ...
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1answer
509 views

How to check parameter value existence in a procedure?

The following is a procedure that uses 2 parameters: customer_code and pay_amount. The procedure works as expected, however when I enter wrong cus_code I get this error instead of my custom checking: ...
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1answer
387 views

How to speed up a query with a lot of subqueries

I have a query which uses a series of functions to return the status of each document for a loan. SELECT loan_number, borrower_name, get_application_status(loan_number, ...
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1answer
303 views

DB stored procedures: how do they help increase security in web systems?

The usage of Oracle PL/SQL procedures for controlling data access is often emphasized in PL/SQL books and other sources as being more secure approach. I'v seen several systems where all business logic ...
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2answers
426 views

How to isolate general Oracle 10g issues through SQL

Background: I've been working on a performance analysis on a system with major performance issues on a Oracle 10g server. Much of the SQL is badly written, or at least not written with performance in ...
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1answer
550 views

Massive update to Clob fields oracle 10g

I need to remove a string of characters from 2000+ clobs fields in oracle 10g. How would I do this in PL/SQL? For example, in table t1 there is a clob field called VBase that needs to have the ...
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2answers
11k views

How to store single result in variable and reuse it in a query (Oracle)?

I have a query like SELECT id FROM xyz WHERE ...; which has a more or less complex WHERE clause and returns exactly one row with one column (ID). I need this ID for several later queries in a ...
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1answer
705 views

Find ID columns with null value in oracle database

I need a way to iterate through all tables in tablespace "T_ECOS" and find all ID with null value in oracle database Any suggestion?
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1answer
121 views

PLSQL Package - Catching Errors in procedure (Oracle)

I have a problem with my package (and procedure) not catching exceptions. I have the below code: CREATE OR REPLACE PACKAGE process_orders IS PROCEDURE add_order ( order_num NUMBER, ...
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3answers
2k views

Using the same sequence twice in a PL/SQL statement

I wrote the snippet of PL/SQL today: declare first_id number; second_id number; begin insert into table (sort_nr, text_id, unit_id) values(..., table_seq.nextval, table_seq.nextval) returning ...
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3answers
7k views

Why use explicit cursors instead of regular loops?

I've been writing basic web apps for a year (for an Oracle db), and since the functions are pretty simple, most of us stick with regular FOR loops to get our data: for i in (select * from STUDENTS) ...
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588 views

Where can I find a syntax reference for Oracle SQL Developer's “Generate DB Doc” function?

Oracle SQL Developer (I'm using v3.2) has a feature called "DB Doc", which generates documentation for database objects. I mostly want to use it to generate documentation for my stored procedures, ...
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3answers
940 views

ORA-01562: failed to extend rollback segment number 11

I´m trying to execute this query into a SP DELETE FROM table SC WHERE SC.evaluationMonth= 'Some month'; COMMIT; But for this month there are something like 10 million records. So I get the ...
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1answer
3k views

Oracle: Output not shown even if SERVEROUTPUT variable set to ON

I was wondering why the output is not being shown even if I set the SERVEROUPUT variable to ON. I have the following annonymous block code: DECLARE v_rec_count number:=0; BEGIN for rec in ...
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How can one reliably update a LOB column with data from another LOB column in Oracle?

I have tried: UPDATE "SCHEMA".TABLE SET LOB_COLUMN = (SELECT LOB_COLUMN FROM "SCHEMA".TABLE) I have tried: CREATE OR REPLACE PROCEDURE COPY_LOB_DATA IS OLD_BLOB BLOB; NEW_BLOB BLOB; ...
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1answer
2k views

Split CLOB into multiple VARCHAR2

I currently am working with some data that is being stored as a CLOB between 4000 and 6000 characters. I would like to perform the TRANSLATE function on it but I learned that it's not possible with a ...
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3answers
1k views

How can I ensure that only one copy of a procedure is running in Oracle?

We have the need to ensure that only one copy of a particular procedure is running in Oracle. If it is already running and a user tries to open another, then it should error. Whats the best method ...
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2answers
18k views

How do I use the IF…ELSE condition in a WHERE clause?

I'm attempting to use the IF...ELSE construct in my WHERE clause to selectively apply conditions to my SELECT. Should this work? CREATE OR REPLACE package body If_Else_Pack IS PROCEDURE Moving ...
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1answer
851 views

How far should bind variables go in Oracle?

I am currently examining all database users's SQL code in our department for not using bind variables. We do experience an ORA-04031 error within a constant period of time. Now, I have a quite firm ...
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2answers
843 views

FORALL on Nested Collections

Suppose I have the following two tables in my Oracle database: create table a (num number); create table b (val varchar2(30); and in my PL/SQL program I have declared a nested collection as ...
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1answer
117 views

Retrieve Indices of Associative Array as Collection

In PL/SQL, suppose I have some associative array defined as follows: declare type a_arr_t is table of PLS_INTEGER index by PLS_INTEGER; a_arr a_arr_t; I then, sparsely, populate the ...
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2answers
2k views

Dynamic access to record column in plpgsql function

How can I address a column from a record in a plpgsql function dynamically? In the following snippet I have access to a variable entity.colname that contains the column that should be checked in the ...
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2answers
2k views

Why does dbms_scheduler max_run_duration not raise event JOB_OVER_MAX_DUR?

Starting from this question and this example I've tried to create an event based dbms_scheduler job, which waits for event JOB_OVER_MAX_DUR raised from jobs, which exceeded their max_run_duration. ...
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2answers
7k views

Oracle 11G - Index Rebuild VS GATHER_TABLE_STATS

Quick question, after populating my table, I noticed through my explain plan that indexes, in most cases, only seems to take effect after I perform GATHER_TABLE_STATS: Exec ...
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776 views

Initializing Associative Array in PL/SQL

Using PL/SQL, suppose we've declared a nested table type and its instance as follows: type nested_tab is table of pls_integer; tab nested_tab;. We are then able to initialize our nested table ...
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1answer
365 views

Help with getters & setters in PL/SQL

I am not a db guy, and I have a very beginner's knowledge bout PL/SQL. That being clear now the question: I have 2 tables one file level & another batch level. In a day, only 1 file_id is ...
3
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1answer
3k views

Oracle 11: Change global index to local on huge production table

I have big partitioned table with global index. My case is drop old data from archived partitions. I can't simply drop partition because i have global index. So I have idea to use INVISIBLE local ...
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1answer
1k views

SSIS PL/SQL task hangs with message “Multiple-step OLE DB operation generated errors.”

I've configured a Microsoft SQL Server 2008 R2 SSIS package with an Execute SQL Task to run a PL/SQL query on an Oracle 10.2 database. The Execute SQL Task (named "SQL Update MY_STATUS flag") is ...
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2answers
5k views

Return many rows on a plsql Oracle10g

I'm doing a little project and I need to do a plsql to return many rows. I have someting like: Table(id, data1, data2, from) And the user gives me the value of from and I have to return all that. ...
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1answer
463 views

Improve performance for my plsql block

First of all let me make kind of a disclaimer here: 1) i'm a developer, not an administrator; 2) and i dont have admin rights on my database. 3) table specs : -- oulp_path_attendance_base_t - ...
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2answers
2k views

How do I manage column order when using PL/SQL's %ROWTYPE records?

I have a table with a large number of columns, which has data gathered from several other tables. I want to write some PL/SQL like: DECLARE TYPE t_toptab_list IS TABLE OF toptab%ROWTYPE; l_data ...
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1answer
350 views

Error with Oracle trigger, invalid identifier

I have the following DML statement that is working perfectly, i have tried to make it into a trigger but it isn't working. DML statement UPDATE HOLIDAY_RESERVATION R SET SUBTOTAL = NVL((SELECT ...
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1answer
201 views

Update statement errors, parenthesis, failed validation ORACLE

i am writing an update query and it is giving me errors, what i am trying to do is to take a value multiply it added to another value. Original statement The statement below works flawlessly, ...
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3answers
697 views

Return a fully dynamic table from an Oracle function

I'd like to write a function with two IN parameters where the first one is a varchar and the second a list of varchars. Based on these I want to return a table with varying column amounts and names of ...
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1answer
524 views

How to qualify variable inside trigger body (PL/SQL )?

I can explicitly qualify variable in the body of stored procedure or function : create or replace PROCEDURE ptest AS int_val INT; BEGIN ptest.int_val:=0; END; / How to do the same inside trigger ...
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2answers
189 views

Overhead of DBMS_Profiler

If I use DBMS_Profiler to profile a long running (5 hour) PL/SQL script, how much longer should I expect the script to run with profiling? I realize this will be dependent on what the script is ...
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2answers
6k views

ORA-20000: ORU-10027: buffer overflow, limit of 10000 bytes

I got that error when I tried to execute this query: select * from lc_history2 lc where lc.view_name <> 'LC Main' and lc.modifiedtime = (select max(modifiedtime) from lc_history2 l where lc.lc ...
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1answer
667 views

ORA-01427:single-row subquery returns more than one row

I wrote in PL/SQL Developer: select * from lc_history2 and I got that error: ORA-01427: single-row subquery returns more than one row Can someone help? It's necessary.
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1answer
600 views

Alter in PL SQL Loop

I just started learning PL/SQL an hour ago... I'm trying to set profile settings dynamically... I select distinct profile names from dba_users and I'm trying to run an alter profile command for each ...
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4answers
5k views

PL/SQL: best way to count elements in an array?

Given this: DECLARE TYPE T_ARRAY IS TABLE OF VARCHAR2(2000) INDEX BY BINARY_INTEGER; MY_ARRAY T_ARRAY; V_COUNT INTEGER; I would like to do: BEGIN -- ... some code filling the MY_ARRAY ...
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1answer
778 views

PL/SQL : query numeric data type by scale?

Wish to select rows with number fields having a certain amount of data after the decimal eg select number from table where number.scale > 4; Is this possible to do directly, or must I cast to ...
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1answer
1k views

How to use the METHOD_OPT parameter in DBMS_STATS.gather_table_stats

Hi there I was just wondering what would be the difference between these 2 METHOD_OPT parameter settings: FOR COLUMNS SIZE 5 some_column and FOR COLUMNS some_column SIZE 5 both will create a ...
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2answers
785 views

Logging/profiling an unpredictably slow stored procedure

I have a stored procedure that sometimes runs significantly slower than others. I have two different timers measuring the execution time at different scopes. One is in the client code, measuring only ...
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2answers
712 views

Is there any prevalent logging packages in PL/SQL similar to java and .Net counterparts

Normally in java or C# , I would use a following construct when try and catch errors. Bad Exception Handling in C# and Java try { // do something } catch(Exception ex) { } Good Exception ...
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2answers
702 views

Is Using Execute Immediate Bad Practice in Oracle?

So, I've been writing a script which creates a sequence (if it doesn't exist) then copies some data including a value from that sequence before deleting the original source data. As the sequence ...
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1answer
347 views

Virtual Column - Using it in view (Oracle)

I have made a virtual column in Oracle, using the following code. CREATE OR REPLACE function email_address (ID_ varchar2) return varchar2 deterministic as lname varchar2 (256); snumber varchar2 ...