When accessing a Core Data database, you might notice that the timestamp is not exactly a unix epoch timestamp but an Apple specific one instead. In this post, I explain the difference and how to convert that into the popular Unix timestamp that we all love.| The Code Ship
Lately, I had to deal with a timestamp value with an overly long sequence of decimal digits, coming as a string in ISO 8601 format : 1970-01-04T15:20:34.49899986153468675 The goal was to build an Oracle TIMESTAMP instance from this lexical representation, but rounded to 3 decimal places : 1970-01-04 15:20:34.499 In SQL, when we already have … Continue reading Rounding Timestamp Values with Fractional Seconds| Odie's Oracle Blog
On 11st of December 2024, Masahiko Sawada committed patch: Add UUID version 7 generation function. This commit introduces the uuidv7() SQL function, which generates UUID version 7 as specified in RFC 9652. UUIDv7 combines a Unix timestamp in milliseconds and random bits, offering both uniqueness and sortability. In our implementation, the 12-bit sub-millisecond … Continue reading "Waiting for PostgreSQL 18 – Add UUID version 7 generation function."| select * from depesz;
You might have come across this. You would have obtained a huge set of time stamped log data or sensor data that you would like to understand. Millions of rows […] The post How to Group Timeseries Data at Any Granularity appeared first on OpenText™ Vertica™.| OpenText™ Vertica™