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Time Functions

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Laravel Tech Community
Laravel Tech Community
Jul 2, 2021 · Backend Development

jdtounix – Convert Julian Day Number to Unix Timestamp (PHP)

The jdtounix function takes a Julian Day number within the range 2440588‑2465342 and returns the corresponding Unix timestamp for the start of that day in local time, or FALSE if the value falls outside the supported Gregorian years 1970‑2037.

Date ConversionJulian DayPHP
0 likes · 2 min read
jdtounix – Convert Julian Day Number to Unix Timestamp (PHP)
DataFunTalk
DataFunTalk
Jun 29, 2021 · Big Data

In-depth Analysis of Flink SQL 1.13 Features and Improvements

This article provides a comprehensive overview of Apache Flink SQL 1.13, detailing new Window TVF support, cumulate windows, performance optimizations, time‑zone handling, enhanced Hive compatibility, SQL client upgrades, DataStream‑Table conversion improvements, and outlines the roadmap for the upcoming 1.14 release.

DataStreamFlinkHive Integration
0 likes · 15 min read
In-depth Analysis of Flink SQL 1.13 Features and Improvements
Practical DevOps Architecture
Practical DevOps Architecture
Jun 27, 2016 · Databases

MySQL Basic Management, Database Operations, and Table Alteration Tutorial

The article offers a comprehensive, step‑by‑step tutorial on MySQL administration, covering password setting, database creation, selection, deletion, table inspection, time‑function queries, and various table‑structure modifications such as adding, renaming, and dropping columns.

Database ManagementMySQLSQL
0 likes · 7 min read
MySQL Basic Management, Database Operations, and Table Alteration Tutorial