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| | | Production Subsets This editorial was originally published on Aug 22, 2014. It is being republished for today's US holiday. Continuous delivery recommends developers never use production data. It's too big, too cumbersome, and slows the process too much. Developers should have enough data to determine if their solutions work as they build them. Testing should have enough to do some tuning, but unless you plan on full performance/load tests (which you should), then you don't need the full set of production data. It's an interesting idea, and overall I agree. A subset of data, hundreds of rows, can usually tell you if you're writing code that works if you profile the code and look for inefficiencies. Note that profiling code doesn't mean use Profiler. It means examining the resource used by your code in terms of CPU, I/O, memory, etc. There are tools to help you, and at some point in your development process, you should be using them. However it can be time consuming and cumbersome to build small development data sets. There are lots of choices in how you might do this, and I thought this would make an interesting poll. For those of you that deal with development, whether that's T-SQL, .NET, or something else, what do you think? Should we have a subset of production data, a custom data set, or perhaps deal with complete production data? Some of this depends on the size of your production data, and I hope, it's contents. I would not want any PII, PCI, medical, etc. in any development area. However if that's not the case, then what do you prefer? Whether you have custom data set or a subset of production, it can be cumbersome to keep this up to date. Your data may evolve over time and there's overhead in maintaining some scripts that would produce the data you need. Perhaps that's the cost of writing good software, but I'm curious how many of you feel. Steve Jones from SQLServerCentral.comJoin the debate, and respond to today's editorial on the forums |
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| | | | Sign up for more free training from Redgate Redgate has committed to hosting a free virtual event in every quarter of 2018, and will be kicking this off on February 28 with a livestream themed around data privacy and protection. The agenda has now been released, so you can see who will be presenting, what they will be presenting, and how you can tune in to watch. Find out more about the sessions and register your place |
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| | | | | Paul Chang from SQLServerCentral.com A fun exercise, using CTEs to implement John Conway's Game of Life cellular automata simulation More » |
| | Inherited a database from another team? Changed your team policy on the way that you format SQL? What’s to stop you formatting the code of an entire database nicely, when you’re developing it? It can be done, but the process can take longer than you expect. This article will demonstrate a simple 3-step approach to reformatting a whole database to your standard, in a single operation, using SQL Compare and SQL Prompt. More » |
| | Additional Articles from SimpleTalk A company’s data is one of its most valuable and important resources. Managing and protecting that data are big responsibilities, and a data governance processes must be put into place to avoid misuse and to meet regulations. In this article, William Brewer answers questions you may have about data governance but were too shy to ask. More » |
| | Wayne Sheffield from SQLServerCentral Blogs Back to the SQL Server Basics with Wayne Connecting to a SQL Server instance is one of the first things that... More » |
| | Steve Jones from SQLServerCentral Blogs I’ve been using ReadyRoll for a small project and wanted to move some lookup data. There are some tables where... More » |
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| | | Today's Question (by Steve Jones): If I run this code, what is returned? SELECT @@OPTIONS |
Think you know the answer? Click here, and find out if you are right. We keep track of your score to give you bragging rights against your peers.
This question is worth 1 point in this category: SET Options. We'd love to give you credit for your own question and answer.
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| Yesterday's Question of the Day |
| Yesterday's Question (by Steve Jones): I see I have a guest user in my database, but in SSMS the user has a red x next to the name. How do I enable this user in the database for others to map to if they don't have a user account?
Answer: GRANT CONNECT TO guest Explanation: The guest user exists in all databases and cannot be added or dropped. Instead, the user is enabled by granting the CONNECT permissin. The syntax is GRANT CONNECT to guest Ref: Guest user account in SQL Server - click here » Discuss this question and answer on the forums |
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| | | | M Higgins from SQLServerCentral.com This stored procedure will take a pre-defined view, table or temp table and return the results as an HTML table formatted string. This can then be used with email to send better formatted emails. Example usage DECLARE @GeneratedHTML NVARCHAR(MAX); EXEC sp_GenerateHTMLTableResults @ResultsTableName = N'<TableName>' ,-- Can be a tablename, temp table or view @GeneratedHTML = @GeneratedHTML OUTPUT EXEC msdb.dbo.sp_send_dbmail @profile_name = NULL , @recipients = 'someone@domain.com' , @blind_copy_recipients = '' , @subject = 'HTML Table Results' , @body = @GeneratedHTML , @body_format = 'HTML' More »
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| Database Pros Who Need Your Help |
| | Here's a few of the new posts today on the forums. To see more, visit the forums. Convert a query to a View - First and foremost I am not a db programmer, Dispatcher by trade. So if I do not belong here do... Average number of records per hour per datetime range - Hi, I have a DB with PATIENT_ID, ARRIVAL_DATE, DEPARTURE_DATE, and DEPARTMENT. I need to find the average number of patients in... Transaction Log Growth - Hi, I am currently using Ola Hallengren's backup solution for my backups on a SQL Server 2016 Standard instance. I have... Installing multiple versions of SQL server on Windows 2016 cluster - Hi team, We have a two node Windows 2016 cluster with single SQL server 2014 instance. Now I want to add... Showplan - Started a new role, have limited (read) rights to the server, I have asked for showplan rights but have been... Training? - I'm not sure if this is the proper place to post this but I'm sure someone will tell me if... Show results based on String Search - Hi Everyone, I have a complex requirement. There is a ASP.NET page where an Agent logs in to run a... Need experts Advice - HI guys, I need expects advice to do below things with great performance. A Table has 10 million ID's records. My... Adding multiple triggers to same table - Recommendations/Best Practices - Hi Folks, I have a requirement to add additional triggers(INSERT/UPDATE) for a table which already have INSERT/UPDATE/DELETE triggers. This is for... Stored procedure not executing in Linked Server - Have a problem in which stored procedure is not getting executing it through a SQL Server agent job .Executing the... Need to get consecutive duplicate rows - I need a query that can get me (the ID of) consecutive duplicate rows, where I am grouping on some... |
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