SQL 2012 vs. SQL 2019
What's the Difference?
SQL 2012 and SQL 2019 are both powerful relational database management systems developed by Microsoft. SQL 2012 introduced features such as AlwaysOn Availability Groups and columnstore indexes, while SQL 2019 brought enhancements like Intelligent Query Processing and Big Data Clusters. SQL 2019 also offers improved security features, including data classification and encryption capabilities. Overall, SQL 2019 provides more advanced functionality and performance improvements compared to SQL 2012, making it a more robust and efficient option for managing and analyzing large datasets.
Comparison
| Attribute | SQL 2012 | SQL 2019 |
|---|---|---|
| Compatibility level | 110 | 150 |
| Support for JSON data | No | Yes |
| Enhanced query performance | No | Yes |
| Intelligent query processing | No | Yes |
| Support for UTF-8 encoding | No | Yes |
Further Detail
Introduction
SQL Server is a popular relational database management system developed by Microsoft. Over the years, Microsoft has released several versions of SQL Server, each with its own set of features and improvements. In this article, we will compare the attributes of SQL 2012 and SQL 2019, two significant releases of the software.
Performance
One of the key areas where SQL 2019 outshines SQL 2012 is performance. SQL 2019 introduces a feature called Intelligent Query Processing, which includes enhancements like batch mode on rowstore, table variable deferred compilation, and approximate query processing. These improvements can significantly boost query performance and make SQL 2019 faster than its predecessor.
In contrast, SQL 2012 lacks many of the performance optimizations found in SQL 2019. While SQL 2012 is still a capable database management system, users may experience slower query execution times compared to SQL 2019, especially when dealing with complex queries or large datasets.
Security
Security is a critical aspect of any database management system, and both SQL 2012 and SQL 2019 offer robust security features. However, SQL 2019 introduces several enhancements in this area, such as Always Encrypted with secure enclaves, which allows for secure computations on encrypted data within the database.
SQL 2012, on the other hand, lacks some of the advanced security features found in SQL 2019. While SQL 2012 still provides basic security mechanisms like encryption and auditing, users looking for more advanced security capabilities may find SQL 2019 to be a better choice.
Scalability
Scalability is another crucial factor to consider when choosing a database management system. SQL 2019 offers improved scalability compared to SQL 2012, thanks to features like Accelerated Database Recovery, which reduces database recovery time after a crash or restart.
SQL 2012, while still capable of handling large workloads, may not be as scalable as SQL 2019 due to the lack of certain optimizations and features. Organizations with growing data needs may benefit from the enhanced scalability of SQL 2019.
Compatibility
When it comes to compatibility, both SQL 2012 and SQL 2019 support a wide range of programming languages, frameworks, and tools. However, SQL 2019 introduces support for new data types like UTF-8 support for CHAR and VARCHAR data types, which can improve compatibility with various applications and systems.
SQL 2012, on the other hand, may not offer the same level of compatibility with modern applications and technologies as SQL 2019. Organizations looking to integrate their database with the latest tools and frameworks may find SQL 2019 to be a more suitable choice.
Conclusion
In conclusion, SQL 2019 offers several advantages over SQL 2012 in terms of performance, security, scalability, and compatibility. While SQL 2012 is still a reliable database management system, organizations looking for the latest features and optimizations may benefit from upgrading to SQL 2019. Ultimately, the choice between SQL 2012 and SQL 2019 will depend on the specific needs and requirements of the organization.
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