a curated list of database news from authoritative sources

October 17, 2022

October 15, 2022

Is MySQL in the Cloud the End of the DBA?

No, I don’t think so. But it is does change our profession and have important implications for software engineers using (not managing) MySQL.

October 14, 2022

October 12, 2022

You Can Specify Two Indexes In Table Hint?

Yes, It turns out that you can specify two indexes in a table hint: SELECT Id, Reputation FROM dbo.Users WITH (INDEX (IX_Reputation, PK_Users_Id)) WHERE Reputation > 1000 And SQL Server obeys. It uses both indexes even though the nonclustered index IX_Reputation is covering: But Why? I think this is a solution looking for a problem. […]

The post You Can Specify Two Indexes In Table Hint? first appeared on Michael J. Swart.

October 11, 2022

October 07, 2022

Introduction to MySQL joins

Learn how and when to use inner joins, outer joins, left joins, and right joins in MySQL.

October 06, 2022

The Tyranny Of Cumulative Costs (Save and Forget Build Up)

Using the right triangle above draw a vertical line separating the area of the triangle in to two parts with the same area. The triangle on the left is 70.7% of the width of the original triangle. Cumulative Storage Costs Think of this another way. The triangle above is a graph of the amount of […]

The post The Tyranny Of Cumulative Costs (Save and Forget Build Up) first appeared on Michael J. Swart.