# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/mwqfrmq
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說下 10 個高級的 SQL 查詢技巧**
隨着數據量持續增長，對合格數據專業人員的需求也會增長。具體而言，對 SQL 流利的專業人士的需求日益增長，而不僅僅是在初級層面。因此，Stratascratch 的創始人 Nathan Rosidi 以及我覺得我認爲 10 個最重要和相關的中級到高級 SQL 概念。那個說，我們走了！1. 常見表表達式（CTEs）-------------------如果您想要查詢子查詢，那就是 CTEs 施展身 ⌘ Read more