SQL 必知必会笔记4使用通配符过滤数据
LIKE操作符 通配符(wildcard): 用来匹配值的一部分的特殊字符。 百分号(%)通配符 最常使用的通配符是百分号(%)。在搜索串中,%表示任何字符出现任意次数: SELECT prod_id, prod_name FROM Products ;
LIKE操作符
通配符(wildcard):
用来匹配值的一部分的特殊字符。
百分号(%)通配符
最常使用的通配符是百分号(%)。在搜索串中,虚拟主机,香港服务器,%表示任何字符出现任意次数:
SELECT prod_id, prod_name FROM Products ; ,香港空间

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How to delete Xiaohongshu notes? Notes can be edited in the Xiaohongshu APP. Most users don’t know how to delete Xiaohongshu notes. Next, the editor brings users pictures and texts on how to delete Xiaohongshu notes. Tutorial, interested users come and take a look! Xiaohongshu usage tutorial How to delete Xiaohongshu notes 1. First open the Xiaohongshu APP and enter the main page, select [Me] in the lower right corner to enter the special area; 2. Then in the My area, click on the note page shown in the picture below , select the note you want to delete; 3. Enter the note page, click [three dots] in the upper right corner; 4. Finally, the function bar will expand at the bottom, click [Delete] to complete.

DDREASE is a tool for recovering data from file or block devices such as hard drives, SSDs, RAM disks, CDs, DVDs and USB storage devices. It copies data from one block device to another, leaving corrupted data blocks behind and moving only good data blocks. ddreasue is a powerful recovery tool that is fully automated as it does not require any interference during recovery operations. Additionally, thanks to the ddasue map file, it can be stopped and resumed at any time. Other key features of DDREASE are as follows: It does not overwrite recovered data but fills the gaps in case of iterative recovery. However, it can be truncated if the tool is instructed to do so explicitly. Recover data from multiple files or blocks to a single

CrystalDiskMark is a small HDD benchmark tool for hard drives that quickly measures sequential and random read/write speeds. Next, let the editor introduce CrystalDiskMark to you and how to use crystaldiskmark~ 1. Introduction to CrystalDiskMark CrystalDiskMark is a widely used disk performance testing tool used to evaluate the read and write speed and performance of mechanical hard drives and solid-state drives (SSD). Random I/O performance. It is a free Windows application and provides a user-friendly interface and various test modes to evaluate different aspects of hard drive performance and is widely used in hardware reviews

0.What does this article do? We propose DepthFM: a versatile and fast state-of-the-art generative monocular depth estimation model. In addition to traditional depth estimation tasks, DepthFM also demonstrates state-of-the-art capabilities in downstream tasks such as depth inpainting. DepthFM is efficient and can synthesize depth maps within a few inference steps. Let’s read about this work together ~ 1. Paper information title: DepthFM: FastMonocularDepthEstimationwithFlowMatching Author: MingGui, JohannesS.Fischer, UlrichPrestel, PingchuanMa, Dmytr

foobar2000 is a software that can listen to music resources at any time. It brings you all kinds of music with lossless sound quality. The enhanced version of the music player allows you to get a more comprehensive and comfortable music experience. Its design concept is to play the advanced audio on the computer The device is transplanted to mobile phones to provide a more convenient and efficient music playback experience. The interface design is simple, clear and easy to use. It adopts a minimalist design style without too many decorations and cumbersome operations to get started quickly. It also supports a variety of skins and Theme, personalize settings according to your own preferences, and create an exclusive music player that supports the playback of multiple audio formats. It also supports the audio gain function to adjust the volume according to your own hearing conditions to avoid hearing damage caused by excessive volume. Next, let me help you

The performance of JAX, promoted by Google, has surpassed that of Pytorch and TensorFlow in recent benchmark tests, ranking first in 7 indicators. And the test was not done on the TPU with the best JAX performance. Although among developers, Pytorch is still more popular than Tensorflow. But in the future, perhaps more large models will be trained and run based on the JAX platform. Models Recently, the Keras team benchmarked three backends (TensorFlow, JAX, PyTorch) with the native PyTorch implementation and Keras2 with TensorFlow. First, they select a set of mainstream

Facing lag, slow mobile data connection on iPhone? Typically, the strength of cellular internet on your phone depends on several factors such as region, cellular network type, roaming type, etc. There are some things you can do to get a faster, more reliable cellular Internet connection. Fix 1 – Force Restart iPhone Sometimes, force restarting your device just resets a lot of things, including the cellular connection. Step 1 – Just press the volume up key once and release. Next, press the Volume Down key and release it again. Step 2 – The next part of the process is to hold the button on the right side. Let the iPhone finish restarting. Enable cellular data and check network speed. Check again Fix 2 – Change data mode While 5G offers better network speeds, it works better when the signal is weaker

As a Xiaohongshu user, we have all encountered the situation where published notes suddenly disappeared, which is undoubtedly confusing and worrying. In this case, what should we do? This article will focus on the topic of "What to do if the notes published by Xiaohongshu are missing" and give you a detailed answer. 1. What should I do if the notes published by Xiaohongshu are missing? First, don't panic. If you find that your notes are missing, staying calm is key and don't panic. This may be caused by platform system failure or operational errors. Checking release records is easy. Just open the Xiaohongshu App and click "Me" → "Publish" → "All Publications" to view your own publishing records. Here you can easily find previously published notes. 3.Repost. If found
