A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...

The Execute Direct Query event has a duration of 2.1 seconds – meaning that again there is a gap to be explained, a gap where ...

近年ではRedashやMetabaseのようなBIツールを簡単に導入でき、さらにはMySQLはバージョン8. 0からwindow関数が利用できるようになり、より分析的なSQLを記述する機会が増えた読者もいるかも知れません。このような分析に利用するSQLを記述をすると、どうしても ...

SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of. SQL Server 2016 provides ...

Proof of SQL drastically reduces SQL query times from 30 minutes to sub-second speeds, promising significant efficiency gains for real-time data processing applications. A new zero-knowledge proof (ZK ...

With JSON now the default format for moving data between clients and servers, SQL Server adds JSON support to make it easier to get your data out of the database and down to the client. SQL Server ...