In addition to Weibo, there is also WeChat
Please pay attention
WeChat public account
Shulou
2025-01-16 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
Share
Shulou(Shulou.com)06/01 Report--
Condition: Obtain all data information within the screening time period according to the original data of a certain time period in the database:
By analyzing the data in this screening period, it can be roughly divided into the following three situations:
The start time of a field in the database is within the range of the start time and end time of the filter
The end time of a field in the database is within the range of the start time and end time of the filter
A database field has a start time less than the start time of the filter and an end time greater than the end time of the filter
Converted to SQL statement:
((startDate between 'Screening Start Time' and 'Screening End Time') or (endDate between ' Screening Start Time ' and ' Screening End Time') or (startDate ='Screening End Time')
)
Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.
Views: 0
*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.
Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope
"Every 5-10 years, there's a rare product, a really special, very unusual product that's the most un
© 2024 shulou.com SLNews company. All rights reserved.