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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How to improve performance of SP with many optional filtering parameters?

I need to write many SP that have many optional filtering parameters. After reading Turgay Sahtiyan's (Senior SQL Server Premier Field Engineer at Microsoft) blog he mentions exactly the same problem ...
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3answers
5k views

Convert all ntext columns to nvarchar(max)

I'm trying to create a stored procedure to convert all ntext columns in my database to nvarchar(max). This is the code ALTER PROCEDURE [dbo].[usp_SL_ConvertNtextToNvarchar] AS BEGIN SET NOCOUNT ON;...
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939 views

Support both stored procedures and functions with same TSQL code base?

We have a need for both Microsoft SQL Server 2008 functions (ITVFs) and stored procedures to provide the same interface and functionality to end-user reporting frontends. Given the following ...
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1answer
45 views

SPID Change for a process?

On SQL Server 2012 can a process SPID change mid-operation? We have a very unique query that we've been monitoring (production, but controlled testing) and have seen it at different intervals with ...
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2answers
303 views

SQL Server RandomNumbers Stored Procedure Error

I tried to create a stored procedure for generating random numbers but it doesn't work; the random numbers are identical in every record. CREATE PROCEDURE Update_Driver_Position @TempName VARCHAR(...
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4answers
2k views

How to avoid select combinations created with multiple parameters (with value or without value) passed in to stored procedures for a select in sql?

I've a situation where 4 parameters are passed to a stored procedure, on the basis of the existence of these parameters i need to modify the where condition of my select query. Simply i can use IF-...
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2answers
117 views

SQL Server CREATE and DROP TABLE Permissions in Stored Procedure Only

I'm attempting to create a stored procedure that's able to create and drop tables. A given user will have EXECUTE permissions on that stored procedure. Is there any way that the user would be able to ...
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72 views

Using NOCOUNT to Improve Procedure Performance

I am looking to improve the performance of a certain procedure and I wanted to begin with the insertion of the SET NOCOUNT ON. I've read a couple of articles on the subject: Aaron Bertrand SET ...
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1answer
49 views

Is it possible to get a list of procedures created with WITH EXECUTE?

Is it possible to get a list of stored procedures create with WITH EXECUTE? I tried looking at sys.procedures, but they all have the principal set to null, and I know there are some procedures ...
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17k views

How to create a SQL trigger to execute a stored procedure when a table is updated

i need some help with creating a trigger to run a qf.stored_procedure when a qf.table is created. AT the moment, i have a job t run the stored procedure every 15 minutes but changing that is not an ...
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2answers
165 views

pg_stat_activity - is it possible to decompose a stored procedure further?

I got a long running query in pg_stat_activity: datid | datname | pid | usesysid | usename | application_name | client_addr | client_hostname | client_port | backend_start | ...
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2k views

Issues with module signing and SSIS catalog internal procedures

I'm trying to set up a stored procedure to execute an SSIS package. I want to allow a user to execute only this stored procedure, so I need it to run as a different user. I found this article which ...
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85 views

Known vulnerabilities for when a guest executes a stored procedure on SQL Server

I have a production database with crucial business information. Meanwhile, my company is involved in a project with some other company and we have to exchange some information on a regular basis. How ...
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2answers
2k views

create table with date name

I am writing a simple procedure to backup a table- CREATE PROCEDURE daily_backup() BEGIN DECLARE given_date VARCHAR(25); SET given_date = now(); CREATE TABLE given_date LIKE db1.table1; ...
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864 views

How to split the comma separated list in the stored procedure

I am working on small module in which we pass the column name as comma-separated string to a stored procedure. In the stored procedure, we want to separate the column names out.
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233 views

Stored procedures and network congestion

When I went to an interview, the interviewer asked me "what are the benefits of stored procedures?" and I started answering but when I said "It reduces network congestion", he suddenly said "no, it ...
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1answer
100 views

SQL Server many active create procedure processes

While troubleshooting performance issues on a SQL 2008 instance, I've noticed there are several SPIDs which appear to be executingcreate procedurestatements for already existing procedures. Is this ...
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2answers
140 views

deteriorating stored procedure running times

I have a stored procedure that is executed by my web application. Today, when an end user started an operation that affected more rows than usual, I started getting calls that the wait times for the ...
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1answer
39 views

Problem locating rows with dynamic SQL

I'm new at SQL in general, so I'm have a few problems with some of my stored procedures I'm designing. My procedure takes in 3 parameters. A location (or table name basically, a varchar), a room ...
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1answer
614 views

stored procedure vs. function in postgresql and which is better for executing dml statements

I'm using postgresql 9.3. If I want to add the following steps and call these steps as a routine, would it be better to use a function or stored procedure? My basic steps are: RENAME TABLE ...
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2answers
751 views

Stored procedure - problem with merge - Insert

I am calling a stored procedure from my c# code . The procedure works fine for update, but fails for Insert. Is the following merge-insert procedure code correct? Any help is appreciated. Here is ...
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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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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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5k views

column auto updated after 24 hours in mysql

i have a table T1 with column : Name State time mon 1 2014-01-09 11:23:00 tue 0 2014-01-07 14:40:00 wed 2 2014-01-08 09:23:00 thu ...
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1answer
10k views

Stored Procedure Performance using Temporary Tables

I have the following Stored Procedure I would like to improve the performance of DELIMITER $$ CREATE PROCEDURE NEXT_UNIT_OF_WORK ( IN batchId INT, IN size INT ) BEGIN start transaction; ...
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2answers
122 views

Stored Procedure - MySQL

I am developing a database for an application. I have to create stored procedure to tables, so that programmers can simply call the stored procedure to implement the functions. I have a doubt to ...
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786 views

From SQL Server to NuoDB: Common Table Expressions, Stored Procedures and Bulk Uploads

I am currently evaluating NuoDB as a replacement for SQL Server. The application is written in C#, .NET 4.0. Now I am using features of SQL Server like: Common Table Expressions (I have a table ...
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1answer
1k views

How can I restore the sql_variant_property of baseType back to a table variable in SQL Server

Ok, I know the title is confusing but here it goes. BTW I am using SQL Server 2008 I have a table that I am trying to use as a storage container. It has 3 columns: reportID integer, dataLabel ...
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1answer
173 views

oracle how to call procedure

This is very basic question, but I couldn't find an answer here... So I have this very useful procedure without any parameters: CREATE OR REPLACE PROCEDURE DISABLE_TRIGGERS IS v_statement VARCHAR2(...
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1answer
162 views

transactional Replication of millions of updates

I have standard transactional replication setup from 2005 to 4 2008 subscribers. One of the tables that is replicated is updated several times from an agent job resulting in 6 million updates ...
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1answer
2k views

Executing a stored procedure on remote database

I have 2 databases on the same server. DB-A and DB-B. DB-B has a user that has read and write access to database B. I would like to grant the user in DB-B execute permissions to 2 stored procedures in ...
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1answer
53 views

Contradiction in book related to variable scope in Stored Procedures

I was reading the 70-461 TSQL training book and the part about stored procedures said this: Variables declared in Proc1 and Proc1's parameters are not visible to any of the procedures called by ...
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1answer
32 views

SUM() 3 columns with alias into a fourth one

This is one part of my procedure: select nome, --casos expedidos (- 3 meses) isnull((SELECT count(cod_rep) FROM tbReps where ...
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1answer
77 views

How to change aggregate function without duplicating SQL (by using SQL)

In MS SQL Server 2016 I have a scenario where data will be processed according to different aggregation functions in a large GROUP BY ROLLUP. I would like to have a stored procedure that has a ...
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1answer
52 views

Determine structure of out cursor

I have a function in Oracle that neither I nor my team wrote and is heavily obfuscated. However, it has a cursor out parameter. How can I find out the number and types that the cursor contains? For ...
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1answer
48 views

SQL Stored Procedure with one parameter and several variables that will change over time

I am attempting to build a stored procedure with variables that will change over time. on SP execution (Right clicking SP in programmability under the database and execute) results in Error output: ...
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2answers
312 views

Script to find the list of stored procedures in all databases

I need to pull out the list of stored procedures which are available in my instance. I used the following T-SQL statement to get the stored procedures in a given database. select * from MyDatabase....
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1answer
21 views

Grant Permissions Within Report SP

Leaving aside why one would want to do such a thing: In MS SQL Server 2008, Is it possible to have a report SP grant permissions to a column used in that report to a table in a database other than ...
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1answer
65 views

Why RECOMPILE doesn't fix parameter sniffing, but local variables do?

A developer was asking me about why his procedure wasn't running, but the query was ok. When I run the query, it was fast.But running the procedure, it was executing forever. What I did was to add ...
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2answers
28 views

Retrieve data from SP inside of From

Goal: Retreive a list of data from a stored procedure that is acting as a database name. When you have retrieved the list from stored procedure, I want to make another new data manipulation. Problem: ...
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1answer
1k views

SQL Server stored procedure causing 100% CPU usage

I'm using SQL Server 2008 R2 We have a single stored procedure that causes 100% CPU usage when ran. The said SP is ran once a month and performs heavy calculation for approximately 5 minutes. Since ...
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1answer
48 views

stored procedures location influence their performance?

I have a procedure SP_MYPRO that updates data in MYDB1. 1) the performance of SP_MYPRO would be different if I place it in MYDB2 instead of MYDB1? 2) what if the procedure SP_MYPRO only read data, ...
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3answers
2k views

Changing compatibility level of database causes performance improvement of stored procedure

We have a Web Application in a Windows Server 2012 Datacenter (IIS 8), running under .NET Framework 4.0, which connects to another Windows Server 2012 Datacenter with SQL Server 2012. My Database has ...
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3answers
1k views

best practice for 'staging' relation in stored procedure: use temp table, or view?

When I write stored procedures that take relation A and output relation Z, I like to create 'staging' relations along the way, so I can inspect the state of the data after each step in the programming ...
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2answers
751 views

Is it possible to define package procedure/function outside of package body block (for Oracle)?

Is it possible to define package procedure/function outside of package body block (for Oracle)? Simplified syntax for defining package body is: create or replace package body <package_name> IS ...
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2answers
11k views

How to Drop Tables using a variable in SQL Server?

DETAILS: I am trying to create a stored procedure where I can pass a variable table name through from MS-Access to tell SQL Server to Drop a table. WHY?: In my Access Database I am running a ...
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1answer
847 views

Cannot use python3 as stored procedure language in posgresql database

I want to have python3 in my postgresql database for writing stored procedures. Being in the psql client, when I enter the command create extension plpython3u I get the error: couldn't open ...
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2answers
3k views

Using MySQL EXPLAIN to analyze the performance of a function

You can precede a SELECT statement in MySQL with EXPLAIN, but how would you explain a function? I have a function that does a lot of work and I would like to analyze the performance of the function as ...
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2k views

SELECT Data Set Using Stored Procedure with BCP Error

All, I have a BCP export query. It is failing with the useless error mesage on BCP usage: usage: bcp {dbtable | query} {in | out | queryout | format} datafile [-m maxerrors] [-f ...
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1answer
11k views

How to make stored procedure with outputs OUT sys_refcursor, OUT varchar2, and OUT number, then use in c#.net app

What is the syntax for a stored procedure that outputs a refcursor, a varchar2, and a number? I would like to output all three in the result, for the purpose of displaying count, and a message which ...