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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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
1k 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 ...
0
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1answer
5k 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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0answers
488 views

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
3k 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 ...
8
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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 ...
4
votes
2answers
25k 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 ...
3
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1answer
962 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
1k 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 ...
5
votes
1answer
131 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
3k 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
10k 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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0answers
952 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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vote
1answer
438 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 ...
2
votes
1answer
2k 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
7k 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
488 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 ...
1
vote
1answer
458 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 ...
1
vote
1answer
226 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, ...
5
votes
3answers
1k 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 ...
3
votes
1answer
917 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 ...
2
votes
2answers
197 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
8k 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 ...
1
vote
1answer
736 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.
2
votes
1answer
740 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
7k 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 ...
2
votes
1answer
1k 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 ...
4
votes
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 ...
2
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2answers
948 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 ...
2
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2answers
921 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
788 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 ...
2
votes
1answer
380 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 ...
0
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1answer
330 views

calculate and return the total estimated chargeable cost

I had a question regarding a small task I've been assigned. Below I have pasted the question and a screenshot of the database layout. Now I just don't understand what exactly I'm meant to create, a ...
10
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1answer
5k views

What are the benefits of packages over standalone procedures and functions?

Looking for a canonical answer to the question of why packages should be preferred in an Oracle database over stand alone procedures and functions.
2
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0answers
386 views

PL/SQL problem statement for homework study [closed]

Good afternoon, I have a PL/SQL (&etc) exam in a few weeks, so I thought it would be good to do a couple of PL/SQL projects/assignments in preparation. Can you give me a good resource of ...
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2answers
284 views

ORM-style server-side programming languages (OO replacement for PL/SQL?)

Good evening, Is there an Object Oriented replacement for PL/SQL, allowing server side procedures to be written [and then called client or server side]? (for MySQL, PostgreSQL, Oracle or etc.)
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1answer
2k views

Within a PL/SQL procedure, wrap a query or refcursor in HTML table

It seems really easy if you are using SQL*Plus to use SQL> set markup html on; and get some lovely results to the SQL*Plus window. we have an oracle job that runs overnight and sends an email ...
6
votes
1answer
14k views

PLS-00306 Error: How to find the wrong argument?

PLS-00306: wrong number or types of arguments in call to 'string' Cause: This error occurs when the named subprogram call cannot be matched to any declaration for that subprogram name. The ...
3
votes
1answer
522 views

What is an Effective Way to Count the Number of Pages in Oracle?

We've implemented paging in our PL/SQL procedures by building a dynamic SQL query and then selection only a portion of results. We build implement paging by putting the original query inside a ...
5
votes
1answer
284 views

DBA's Scope in datawarehousing Projects

As a DBA trainee, what needs to be known in order to be part of datawarehousing projects? I mean what resources are suggested to have an overview knowledge of how PL/SQL and other concepts are used ...
4
votes
3answers
10k views

What are the causes and solutions for mutating table errors?

I understand mutating table errors are caused by a design flaw or problematic query. An old query was recently put into production which throws a mutating table error. Our DBA solved the problem but ...
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2answers
155 views

Functioning of Oracle's Server result Cache

I am reading the Oracle concepts doc and have a doubt [about general cache mechanism ] : PL/SQL function code can include a request to cache its results. Upon invocation of this function, the ...
2
votes
2answers
541 views

Get timing on individual queries in Anonymous code block

I have a set of queries that I need to run in succession, carrying the result from the previous query into the next. My only need is the execution time on the last query in the list, but SET TIMING ON ...
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2answers
1k views

Piplelined Result Set over Database Link Alternatives

Since a pipelined result set cannot be returned over a database link (see MOS note 560743.1), what workarounds/alternatives are there. I can think of a few, but I'd rather not lead the question. I ...
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vote
1answer
135 views

how to write pl/sql named programme for this [closed]

I have a table M_PARAMETER which has a column MMRUN. When this MMRUN='Y' then the User can not modify any transaction in the app's front end. When MMRUN='N' then the User can do the modification. ...
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2answers
821 views

Table-name.column-name in PostgreSQL?

I would like to use the following syntaxis in my PL/pgSQL code: INSERT INTO table (table.column1, table.column2) VALUES (1, 2); But somehow it doesn't work. Does anybody know if such a notation it ...
2
votes
1answer
727 views

PL/SQL + after login seems Not see tnsnames.ora file on my PC

I get the following error when I login in by PL/SQL - please advice how to fix this? Data character set (UTF8) and client character set (IW8MSWIN1255) are different character set conversion may ...
2
votes
2answers
436 views

Use different Windows account in pl/sql

Is it possible to use/log in to a different account in pl/sql. For example, I would like to write to a file in a folder only a specific account has access to. Here's an example of what I mean: Other ...