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| Question of the Day |
| Today's question (by Steve Jones - SSC Editor): | |
| Filtering the Dataframe in Python | |
| I have a dataframe in Python, sales, that I created with the pandas library. I have a field in the dataframe called 'State'. I want to get only the rows from the dataframe that have a value of "New York" for the row. Which code should I run? | |
| Think you know the answer? Click here, and find out if you are right. | |
| Yesterday's Question of the Day (by Steve Jones - SSC Editor) |
| The D in ACID What does the D in ACID stand for when related to relational databases? Answer: Durability Explanation: The D in ACID is for Durability. This is that committed transactions are guaranteed in non-volatile memory. Ref: ACID - https://en.wikipedia.org/wiki/ACID#:~:text=In%20computer%20science%2C%20ACID%20(atomicity,errors%2C%20power%20failures%2C%20etc. |
| Database Pros Who Need Your Help |
| Here's a few of the new posts today on the forums. To see more, visit the forums. |
| SQL Server 2017 - Development |
| Unable to debug a sproc - I'm trying to debug an SP in visual studio 2019 (what a palava! bring back this ability in SSMS please!!) Anyways. I have created a connection to the DB and tested successfully. Now I add a script to the project and this contains my exec SPname code. Next I select execute with debugger and […] |
| SQL Server 2016 - Administration |
| Availability groups - licencing considerations - Hi all I'm trying to my facts in a row before I go to managers with this one. We have one copy of our production data (from the software vendor) on server A (I know, it's the only copy and I've been shouting about that forever). What we want to do is set […] |
| Folders in C:\Users - are they really needed? - I have some time on my hands (sadly) and am using some of it to clean up my computer. The computer in question runs Windows 7 (no, 'upgrading' to Windows 10 is not an option) and I have used it for many years. Over time, I have installed at least three versions of MS SQL, […] |
| SQL Server 2016 - Development and T-SQL |
| Column Level Collation Japanese_90_CI_AS_WS - Having issues getting the column level collation to function. The default collation of the database is SQL_Latin1_General_CP1_CI_AS. Inserted the following characters below ??? into the table and render as ??? as expected. I altered the column collation to Japanese_90_CI_AS_WS and yet to get it to render properly. I am able to get the characters to […] |
| Is there a tool to automate SQL tuning and review? - I am looking for a tool that reviews and tunes SQL queries automatically. Does Microsoft or a 3rd party vendor have such a tool? Ideally such a tools could be used to automate this process fully. If it could perform standards checking that would be even better. Any ideas? |
| THROW vs RAISERROR with bubbling up - Hi all, I know THROW is newer and recommended but I'm wondering if one bubbles up and the other doesn't. Specifically, let's say I have nested Try/Catch's and the error happens in the second one. Which bubbles up? Or does the Catch handle that? Thanks! |
| ALTER DATABASE Issue - Hello, I faced very strange issue. When I try from management studio to put the specific database to RESTRICTED_MODE, the operation succeeded, but when I try to do it from the operation script, I receive a message : "Msg 5070, Level 16, State 2, Line 3 Database state cannot be changed while other users are […] |
| Simple query question - I'm new to SQL and I'm struggling to return a result set which I worked on for a long time: Basically, I am trying to count and include active accounts per day over a timeframe (@params determine the time frame window). But the result must specify per day the number of active accounts. My struggle […] |
| Simple cast question - This is for SQL Server 2016. Table called tblTest has a column called TestNumber that is varchar(5). I think this should work and does when I run it but I'm seeing references that it won't and can't figure out why. Can anyone explain or am I reading misinformation? Something about a conversion error but the […] |
| SQL Server 2019 - Administration |
| Mobile DBA Tool for Android - Has anyone used Brain Box SQL app for Android in the google play store? What do you think? I've been using it to connect remotely to my SQL Servers via VPN and have been able to monitor servers (processes, storage, backups) as well as kick off scheduled jobs after hours. It sure beats lugging around […] |
| SQL Server 2019 - Development |
| Is there a version of SQL Server that does automatic SQL tuning? - Is there a version of SQL Server that does automatic SQL tuning? I am also looking for automatic index creation based on queries executed. I know the query store from SQL Server 2016. I am sure that many things have changed since 2016. Any suggestions? |
| Azure SQL - Handling JSON column in the table - Hi I want to convert table content which contain the json values in the columnin Azure SQL server. like below Country state json_value US Alabama {"name':"John","surname":"Don","age":45,} Canada Toronto {"name":"Mark","surname":"Bagwell","age":35,"Gender":"Male"} I need to convert the table details in query itself like below country state name surname age Gender US Alabama John Don 45 NULL Canada Toronto […] |
| SQL Azure - Development |
| Create a User in Azure SQL Database - I need to create a user in Azure SQL Database and map the user to a specific database. does anyone have the syntax to make this happen? The GUI is restricted and you cant do it as you would in SSMS on-prem as you cant view the properties. Also I am after a decent script […] |
| General Cloud Computing Questions |
| Career advancement in cloud - I am a SQL server administrator with 5 years of pure DBA experience. I am planning to get trained into cloud like Azure or AWS or any other cloud technology where there is a future growth. Can someone guide me which patch to take, is it Azure or AWS. Since i am an administrator i […] |
| Strategies and Ideas |
| Loading ODS strategies - Hi everyone, Just curious on others' approaches on this. So I'm developing a data warehouse in pieces. The approach I was thinking of taking is pulling in data from my numerous source systems unaltered into the Operational Data Store, then having my scrubbing and data quality processes put the good summarized data in the DW. […] |
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