Where Does NoSQL work well?
NoSQL was hyped as the way to replace your RDBMS and achieve incredible performance at scale. It does work well, but it hasn't replaced most RDBMSes. Steve has a few thoughts on this topic.
2021-06-28
239 reads
NoSQL / NewSQL
How to choose between SQL and NoSQL databases
Organizations have many choices when it comes to databases. In this article, Robert Sheldon explains how to choose between SQL and NoSQL databases.
2021-05-19
NoSqlOnSql
Introduction NoSqlOnSql is a strict syntactical superset of SQL; it adds NoSQL document-oriented capabilities to the SQL language. For this, it uses uses JSON-like documents, integrating them into the normal flow of SQL statements. NoSqlOnSql is based on augmenting a SQL database to support NoSQL features without any kernel changes. In this sense it is […]
2020-11-02
4,897 reads
Translating a SQL Server Schema into a Cassandra Table: Part I Problem Space and Cassandra Primary Key
As many companies consider moving data to NoSQL, Cassandra may be the choice. In this series, Shel Burkow discusses design considerations for porting a SQL Server schema to Cassandra. The first article explains the Cassandra primary key.
2020-01-10
The NoSQL Misdirections
Editorial Note: This is a republish, in memory of Mike who passed away too soon. You can see his memorial at sqlmemorial.org. Recently I have been working with a colleague who is doing a bit of a side projects outside of work. He's trying to expand his skillset using a pet project at home. I encouraged […]
2021-06-04 (first published: 2019-09-02)
8,194 reads
SQL For Cosmos DB – Handling Complex JSON Structures
The JSON documents that are part of Cosmos DB document collections can be complex with arrays and nesting. In this article, Adam Aspin shows you how to query them with SQL.
2019-06-17
SQL For Cosmos DB – Tips and Tricks
Building on the introduction to the SQL used by Cosmos DB in the first article in the series, here you will learn how to handle some of the more classic challenges that you may face when querying JSON documents. Adam Aspin shows you some of the workarounds that are useful in practice when finding and shaping output data ready for further analysis.
2019-05-22
Apache Cassandra Data Modeling and Query Best Practices
Organizations have many choices when it comes to database platforms. Choosing the right one for an application should be based on the application’s characteristics and the platform’s features. In this article, Pushpa Sekhara explains why the Apache Cassandra database might be a good choice and how to get the most from it.
2019-03-04
2,398 reads
Current State of the NewSQL/NoSQL Cloud Arena
Choosing the right data platform is not an easy task. Warner Chaves compares the capabilities of the big three Database as a Service (DBaaS) offerings, Microsoft’s Cosmos DB, Google’s Cloud Spanner, and Amazon’s DynamoDB, to help you make the right choice for your application.
2017-12-27
3,064 reads
MongoDB vs. Azure DocumentDB
There’s a new kid on the block in the NoSQL world – Azure DocumentDB. Released in preview back in August 2014 and going Generally Available this month, Azure DocumentDB is Microsoft’s initial foray into the increasingly competitive space of non-relational database management systems. Of course there is no better competitor in this space to measure up against than MongoDB. How close does DocumentDB stack up to MongoDB? Are they even close?
2015-05-04
9,575 reads
Blogs
Creating a Striped Backup Set with AI
By Steve Jones
I needed to test a striped backup, so I decided to ask the AI’s...
Trace Flag 1448 – Lessons from a Technical Interview
By gbargsley
In SQL Server environments where transactional replication runs alongside Always On Availability Groups (AGs),...
Disable the sa login in SQL Server (and sleep better)
Disable the sa login in SQL Server (and sleep better)If you run SQL Server...
Forums
Create an HTML Report on the Status of SQL Server Agent Jobs
Comments posted to this topic are about the item Create an HTML Report on...
SQLPS and syspolicy_purge_history job
The SQLPS.exe file has gone AWOL on 2 of my 4 SQL servers, ie,...
Be Wary of Data
Comments posted to this topic are about the item Be Wary of Data
Question of the Day
Locking Hierarchies
You have a table [dbo].[orders] without a Clustered Index (Heap). The table does not have any other nonclustered indexes! You rund the following command in Read Committed Isolation Level:
SELECTo_orderdate,
o_orderkey,
o_custkey,
o_storekey
FROMdbo.orders
WHEREo_orderkey = 3877;