Questions tagged [parameter]

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What SSIS variable/ paramter to use to capture looping server name?

I am a newbie to SSIS. BACKGROUND:- We are trying to make Database Inventory of about 100 SQL Instances. First task is to check SQL connectivity for all servers and capture the failed connections. ...
2
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1answer
2k views

MariaDB I/O capacity with innodb_io_capacity parameter

I use hdparm to test my SSD hard drive I/O benchmark : [root@mail ~]# hdparm -t -T /dev/xvda2 /dev/xvda2: Timing cached reads: 12906 MB in 1.99 seconds = 6477.79 MB/sec Timing buffered disk ...
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0answers
313 views

Does Oracle ADO.NET varchar parameter size influence query plan reuse?

I am considering to apply a fix which will generate constant parameter sizes for (n)varchar parameters. The application is based on NHibernate with the old OracleClientDriver (using Microsoft Oracle ...
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0answers
464 views

MySql Very Slow Writes & Out of memory error

I am having a rds db instance in AWS which is used by Drupal 7 instatllation. I am getting the below error messages in the log: > 130912 11:57:39 [ERROR] /rdsdbbin/mysql/bin/mysqld: Out of memory &...
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0answers
477 views

How to change a PostgreSQL parameter requiring server restart, using postgres -c

I need to temporarily change a parameter that requires server restart. The command is as follows: postgres -c checkpoint_segments=30 -D "C:\Program Files\PostgreSQL\9.2\data" Where ...
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0answers
707 views

What would be the rule for parsing parameterized sql for Netezza to be used with nzsql?

I have a bunch of legacy parametrized SQL templates that were used by nzsql utility for Netezza. See examples here: http://queforum.com/netezza/347918-parameterized-sql-file-input-nzsql.html What is ...
1
vote
2answers
69 views

What is the correct query set up to access the columns in table being passed as parameter?

I am trying to use table-valued parameter to bulk upsert some data into my table. I have the following stored procedure. This setup seems to agree with the intellisense. I am not getting any errors ...
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0answers
712 views

Accessing environment variables at design time in SSDT?

I'm re-designing some SSIS packages for 2012 and some parameter/variable/configuration issues are not clear to me. The result that I am trying to achieve is that the user context's temp folder(stored ...
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0answers
11 views

Does replica config parameter affect primary/master RDS Postgres?

I want to add hot_standby_feedback = on to a RDS readonly replica. The problem is that the replica currently has a parameter group already attached, which is inherited from the master. My question is:...
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1answer
209 views

Mysql Command line Parameter passing to sql file

In windows mysql(5.7 version), I want to run mysql commmand using command line for .sql file as input . Also i was to pass some variable whose value should get used in .sql file. somehow I am not able ...
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32 views

How does query parameters work under the hood?

I thought about how can it work under the hood and I came with an idea Db engine receives query with parameters and also defined values of those parameters SQL is being parsed into syntax tree like ...
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2answers
188 views

SSRS - select where parameter and fixed value

So there is a lot of stuff about using SSRS parameters to select multiple values but nothing about using both a parameter and a fixed value using the in select statement. So what I'm trying to do is ...
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0answers
48 views

In-line TVF is using indexed views in a UNION - parameter should eliminate most of them, except it doesn't

I am using SQL Server 2016-SP1-CU8 Here is the code to setup my scenario: --1. Drop indexed views (in case of re-running IF OBJECT_ID('Widgets_1', 'V') IS NOT NULL DROP VIEW Widgets_1 IF ...
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0answers
154 views

My most recent expensive query is sp_procedure_param_rowset

I'm stress testing our software running many transactions and reports at the same time on one same DB. analyzing the most recent expensive queries, I found that the top query is the ...
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1answer
409 views

SSRS2016 external parameters for mobile report

How can external parameters be passed to a SSRS 2016 mobile report in order to pre-select values / settings for the report? The same scenario is possible for paginated reports as it always was. It's ...
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0answers
113 views

MySQL user variables vs repeated parameter literals. - performance

I am currently designing a large query which uses a number of parameters numerous times throughout the query and subqueries. After checking out some posts on multiple repeated params, I decided to ...