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2019 Database Trends – SQL vs. NoSQL, Top Databases, Single vs. Multiple Database Use

Scalegrid

We asked hundreds of developers, engineers, software architects, dev teams, and IT leaders at DeveloperWeek to discover the current NoSQL vs. SQL usage, most popular databases, important metrics to track, and their most time-consuming database management tasks. SQL vs. NoSQL. SQL Databases. NoSQL Databases.

Database 255
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PostgreSQL Trends: Most Popular Cloud Providers, Languages, VACUUM, Query Management Strategies & Deployment Types in Enterprise

Scalegrid

As this open source database continues to pull new users from expensive commercial database management systems like Oracle, DB2 and SQL Server, organizations are adopting new approaches and evolving their own to maintain the exceptional performance of their SQL deployments. Most Popular Cloud Providers for PostgreSQL Hosting.

Strategy 182
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Deep Dive into MySQL’s Performance Schema

Percona

While working, the customer raised two interesting questions: how can he make complete use of the performance schema, and how can he find what he requires? I realized that it is important to understand the insights of the performance schema and how we can make effective use of it. T he MySQL version I am using here is 8.0.30.

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MySQL Performance Tuning 101: Key Tips to Improve MySQL Database Performance

Percona

Depending on the version of MySQL you are running , some of the default values used in this post may differ from your install, but the premise is still largely the same. This results in expedited query execution, reduced resource utilization, and more efficient exploitation of the available hardware resources.

Tuning 52
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PostgreSQL Vacuuming to Optimize Database Performance and Reclaim Space

Percona

It involves removing deleted or outdated rows from tables and indexes and updating statistics used by the query planner. This process is necessary to prevent the accumulation of unnecessary data, known as “dead rows,” which can take up significant space and slow down queries. Multi-version concurrency control (MVCC).

Database 107
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Emulating the GROUPS Window Frame Option

SQL Performance

The same goes specifically for handling T-SQL querying tasks in terms of supported language elements. T-SQL, the dialect, supports a subset of the features from standard SQL. This could also happen if you need to migrate code written for another database platform with a different dialect of SQL to T-SQL.

C++ 112
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An Overview of Indexes in MySQL 8.0: MySQL CREATE INDEX, Functional Indexes, and More

Percona

Working with hundreds of different customers, I often face similar problems around running queries. A query that cannot use an index is usually a long-running one, consuming more memory or triggering more disk iops. As such, index design must strike a balance between improved query speed and efficient data modification.