Callable code installed on a database manager, exposing an API through which it can be invoked. Normally written in the native query language, some DBMS platforms support other languages as well.

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Script that alters all stored procedure on the database

I have a database with thousands of stored procedures and I need to alter hundreds of them. In order to do it faster I thought of a way to write a script that runs over all stored procedures and adds ...
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1answer
845 views

How to reduce the run time of stored procedure by getting rid of cursors?

I have a task of reducing the run time of a stored procedure that runs for hours. Description of task: The cursor takes a set of values @Master and @Slave obtained from a query(5000+ rows), finds ...
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2answers
3k views

Should I check for existence of temp tables in Stored Procedures?

Is there any edge case in which it would be recommended to explicitly check for ,drop and create temp tables at the start of a Stored Procedure instead of just creating them? Similarly, is there a ...
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2answers
520 views

SUM() the result of a stored procedure

I use the Pl/Proxy extension in order to shard a table. It works like a charm, except for this : I have a stored procedure which runs on 4 shards. It looks like this : CREATE OR REPLACE FUNCTION ...
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3answers
775 views

List all tables that a specific login has permissions [duplicate]

This might be repetitive, but I haven't found a solution that serves my purpose 100%. What I'd like to achieve is to have a script (or SP) that'll list all tables that a user has permissions on. Any ...
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1answer
723 views

PostgreSQL 9.3: Primary key violated by a trigger INSERT

My problem Consider a table t with many frequent updates from users, from which only the last few are relevant. In order to keep the table size reasonable, whenever a new row is inserted old rows ...
2
votes
1answer
2k views

How to write a procedure /job to kill all session running for more than 5mins in Oracle?

How to write a procedure /job to kill all session running for more than 5mins in Oracle? So, I query v$session and find out that for a particular user, program pair if the session has been active for ...
2
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1answer
2k views

Modify text file with Oracle PL/SQL

I'm trying to open and replace a string in a text file with the following procedure: BEGIN v_file_name := 'text_file.txt'; v_filehandle := utl_file.fopen(v_file_dir, v_file_name, 'W'); v_id_nextval :=...
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2answers
407 views

Does anyone use modules in DB2 LUW?

Our environment is currently DB2 9.7 Fix Pack 4 on AIX. I am in the processing of designing and coding some SQL PL stored procedures responsible for archiving data into an archive schema and then ...
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1answer
147 views

RaiseError on SQL Server stored procedures

ALTER PROCEDURE sp1 as begin IF (@PersonId=0) RAISERROR(N'Error already raised. See previous errors.', 16, 1); break end I want something like the following. If no value in the variable, ...
5
votes
1answer
1k views

Splitting a csv column from select query into multiple columns

I have a stored procedure SELECT [ShipWorks].[dbo].[OrderItem].[Code] AS Code, CASE WHEN (LEN(ISNULL(MAX([ShipWorks].[dbo].[OrderItem].[Location]),'')) = 1) THEN MAX([ShipWorks].[...
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1answer
320 views

MySQL: update field with “x hours xx minutes”using int from another field

We have two fields that hold time data totalTime (int): number of minutes (eg 243) totalTimeDesc (string): normal english representation (eg '4 Hours 3 Minutes') We have a lot of different formats ...
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votes
2answers
130 views

Stored Procedure slow after weekend

When I come to work on monday some stored procedures take several minutes to execute and STATISTICS IO shows a lot of PHYSICAL READS and READ AHEADS going on. However, after running the procedures 10-...
2
votes
1answer
144 views

MySQL Stored Procedure Requiring SUPER

I'm trying to figure out a "safe" way of allowing a non-SUPER user to execute a specific command requiring SUPER privileges, i.e. SET SESSION binlog_format = 'MIXED'. I don't want to grant the user ...
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0answers
661 views

Can a stored procedure OUTPUT parameter return a table as output?

I would like to know whether we can use a stored procedure's OUTPUT parameter to a return table as result set? I would appreciate any practical example using it OUTPUT parameters in stored procedures....
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2answers
316 views

getting one day timestamp in mysql

Please consider the following stored procedure I have: ORIGINAL Stored Procedure: -- -------------------------------------------------------------------------------- -- Routine DDL -- Note: comments ...
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1answer
2k views

How to add a column in table via stored procedure? [closed]

create or replace procedure SP_PARAMETER_TEST -- this is my table ( NAME_KEY in VARCHAR2 -- this contains a value assume NAME_KEY contains "Gypsum" ) is begin ALTER TABLE PARAMETER_TEST ADD ...
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votes
2answers
224 views

How can I fake inet_client_addr() for unit tests in PostgreSQL?

I have a simple stored procedure whose return value depends on the value of inet_client_addr(). How can I override inet_client_addr() for the purpose of unit tests when testing my stored procedure? ...
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1answer
143 views

How to log within a stored procedure that is encapsulated within a transaction

I have a stored procedure, let us call it sp_A which calls other stored procedures, let us call them sp_B and sp_C. For the sake of consistency an XA TRANSATCION is started within sp_A. What I ...
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1answer
1k views

Create and fill temp table

I have a stored procedure that selects some data and returns it. Now I also want to add a temp table, fill it with data and return it with the stored procedure. I define it as follows: create table #...
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vote
2answers
971 views

AWS RDS MSSQL Extremely Slow compared to EC2 with MSSQL

Background - I built a tool which grabs a lot of data from multiple third party APIs and stores it in a MSSQL DB. Then, I built a visualization to display this data in tabular and chart format. ...
1
vote
1answer
368 views

MySQL Cursor Batching Process

I have a cursor in MySQL and what I want to do is rather than having an enormous cursor loop that can be up to 4000+ users in size, do it smaller batches so that the MySQL engine doesn't suffer. I ...
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votes
1answer
1k views

How to deal with async calls to a stored procedure that updates data

I have asynchronous calls from Entity Framework to a stored procedure. The stored procedure selects data to a temp table and later on, it updates the real table. This works fine for sync calls. The ...
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1answer
2k views

Table Variable and Database Scope

I am a junior DBA, and I am still confused by database scope. Now I am learning about local/global temp table and table variables. I saw an example as following: declare @T1 as table ( col1 ...
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0answers
694 views

Rolling Back Stored Procedures in Entity Framework

I currently working a on project that operates within a transaction in entity framework. Before now all of the changes were made using a DataContext. I need to add a call to a stored procedure using ...
3
votes
1answer
187 views

How to create a function(table_name) that return a collection in Oracle?

I need to create a function in Oracle that accepts a table name and return a collection the content of which is based the table that accepted. I've been doing some search, many examples are of the ...
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4answers
5k views

Execute a Stored Procedure Daily

I am building a Web Application which is attached to a Database which is in a Web Server(which is at unknown remote location). I want to execute a Stored Procedure daily at a specific time. I searched ...
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vote
2answers
742 views

Converting MSSQL Stored Procedure to MySQL - Syntax Error

I am converting a MSSQL Stored Procedure to MySQL, and am running into a problem. Maybe it's because I have been staring at the code for so long, but I can't seem to figure it out: CREATE PROCEDURE ...
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0answers
318 views

Stored procedure taking much longer than query [closed]

I have a simple code segment that runs in about 1 second when run alone, but more than 5 minutes when deployed as a stored procedure. I'm using sql server 2008. Unfortunately, I can't post the code ...
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vote
3answers
3k views

How to use DAY/WEEK/MONTH/YEAR constant as parameter in stored procedure?

Assume I have a table looks like this: Scores { Id uniqueidentifier, ScoredAt datetime, Value int } Basically I want to create a stored procedure that works similar to this DATEDIFF(DAY,...
0
votes
1answer
96 views

Create SP for inserting data from a table to a table

I have a table that has 1 record where one field may have 2 values separated by commas (in that cases I have to create 2 records with those values separated in 2 row and the other field values are the ...
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votes
2answers
6k views

How to return a result set from oracle procedure ?

How can i return a result set from a stored procedure in oracle ? suppose i want to return a table from a simple select statement such as this : Select * from tblTest I tried this but this seems ...
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0answers
5k views

Multiple SELECT subqueries in an INSERT statement in a stored procedure

So I had the following (genericized), which works just fine for me (barring errors in making the example generic) : DELIMITER // CREATE PROCEDURE stored_proc(IN val1 INT, IN date1 DATETIME, IN date2 ...
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3answers
8k views

how to create backup for stored procedure,trigger and functions of a database in sql server 2008?

I'm having 2 databases in 2 different servers(.246 and .252). I need to create backup for all stored procedures, triggers and function from 252 server and restore it in 246 server.database name in ...
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1answer
10k views

How to perform a while loop on the query result

I created a trigger AFTER an UPDATE of a column in a MySQL database. When the trigger detects a certain value, it should perform some actions. This is what I have at the moment and is working fine. ...
3
votes
2answers
4k views

Return several values from a PL/pgSQL procedure - to speed up the query

I have a non-forking game daemon written in Perl, which uses acync queries to write player stats into a PostgreSQL 9.3 database. But when I need to read something from database (like if a player is ...
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2answers
2k views

multiple select query for the same tables with union [closed]

Using below query i want to find out the top number of students from each catagory(SC,ST,OBC,etc) on plus2percentage basis. eg i want top 3 students from SC catagory, top 2 from ST and Top3 from OBC. ...
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0answers
1k views

exec sp_getapplock - Different behaviour using go or without go

we have a strange behaviour while using sp_getapplock (we tried to use this to solve a problem with a deadlock involving some insert while another session was trying to execute a ALTER SWITCH command)....
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2answers
3k views

create a stored procedure if it doesnt exist using a ddl in db2

My requirements are, I want to create a ddl script which will check if a stored procedure exists on DB, if yes then drop it and recreate it. What I tried is, IF EXISTS (select procname into ...
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2answers
459 views

SQL Server Login to access tables of three different database from single database

I have created a login in SQL Server 2008 R2 and given access to run stored procedures in that database only. But this stored procedure is actually accessing data from other two databases to which ...
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vote
1answer
1k views

Recursive calls in stored procedure and temporary tables

I am trying to create a stored procedure in PostgreSQL which has recursive calls. The procedure creates a temporary table to store results. The temporary table isn't dropped after first call due to ...
1
vote
1answer
404 views

Table variable not Recognized in stored procedure

The following stored procedure for a postgresql database attempts to insert into a temporary table 'result' of type result_load_status ,which is a table in database, and return this temporary table. ...
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0answers
419 views

Create Drop Temporary Table very slow vs Truncate

I've got this stored Procedure that is called by an event that runs every 1 minute. The stored procedure selects some data from one device and puts it in a temporary table. Than it picks up other ...
0
votes
1answer
129 views

Error while creating procedure

This is my procedure: DELIMITER $$ CREATE PROCEDURE sp_test_final6() BEGIN INSERT INTO `chef_ratings`(`chef_id`,`avg_total_no_votes`,`avg_total_rating`,`no_of_votes`,`...
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votes
1answer
1k views

My auto increment primary key is not automatically incrementing

I have the following database Whenever I try inserting values in the database I get the following error. Duplicate entry '0' for key 'PRIMARY' This means ID is not incrementing automatically. I ...
1
vote
1answer
4k views

Stored Procedure to evaluate column if condition is true execute another stored procedure

I have a stored procedure that executes with Windows task manager and I want to add a condition statement that executes another stored procedure if the condition is true. I was thinking a case ...
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1answer
2k views

“Access denied for user” error when creating a procedure

When I request my database server (MySQL), with "show grants for current_user" I notice that I have the grant to execute procedure: SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, LOCK ...
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votes
1answer
241 views

Is there a performance consideration if stored procedures are in a separate database than the source data?

This applies to a SQL Server 2012 instance. We are considering structuring things to where we have a database that contains our source data, and then separate database (on the same instance) that ...
2
votes
1answer
282 views

Query returning unused stored procedures

When I run SP_askbrent@asof = '2014-05-20 16:00' a period where the database was timing out, I'm getting dozens of CREATE PROCEDURE xxx entries. When I run the following query, the results show the ...
2
votes
1answer
344 views

How can I load 'utf8' into plperl by default?

I am attempting to solve a problem explained in another question here. On Debian 7.4 with Postgres 9.1.12, I am able to use the Perl qr operator just fine. On Solaris 5.11 with Postgres 9.2.4, ...