Which database does Netflix use?

Netflix uses AWS for nearly all its computing and storage needs, including databases, analytics, recommendation engines, video transcoding, and more—hundreds of functions that in total use more than 100,000 server instances on AWS.

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What database does Instagram use?

Instagram mainly uses two backend database systems: PostgreSQL and Cassandra. Which database is best for chat application? For storing your data i suggest you use MongoDB or MYSQL. If you use Node JS as backend engine then use MongoDB. Because when you combine Node JS with MongoDB your data exchange process will be very efficient. If you use others as a backend engine then use MYSQL or other RDMS.

Why WhatsApp take so much space?

By default, WhatsApp automatically downloads and saves images on your phone. It is so that you can quickly access the images as many times as you want without having to download it again and again. But this also takes up space on your device's storage. Why WhatsApp is taking too much space? If you have multiple copies of an item, you'll also need to delete all copies in order to free up space. On the CHATS tab, tap More options > Settings. Tap Storage and data > Manage storage. Tap Forwarded many times, Larger than 5 MB, or select a specific chat.

Why is WhatsApp data so high?

All the sent and received images/videos/messages, even the latest viewed display pics contribute to the overall WhatsApp data storage. You can consider going into your smartphones' WhatsApp storage (under the device storage option in settings) and deleting some or all stored media - videos/sound/photos. WhatsApp text tricks? How to format your messages

• Italic. To italicize your message, place an underscore on both sides of the text:
• Bold. To bold your message, place an asterisk on both sides of the text:
• Strikethrough. To strikethrough your message, place a tilde on both sides of the text:
• Monospace.

Can WhatsApp be used as default SMS?

WhatsApp uses data to send messages, not your text messaging plan. Exactly, and it can only send messages to other WhatsApp users. It can't be set as a SMS app, because it's not a SMS app. Can I send SMS from WhatsApp? Texting with WhatsApp

Once you've opened a conversation, sending a text message is easy. Tap the text bar at the bottom of the screen. Your keyboard will appear. Type the message you want to send, then tap the send button.

How can I change my WhatsApp without losing my calls?

If you do not want to lose all chat history when switching to a new phone. You can transfer your WhatsApp data to a new phone by restoring from Google Drive or a local backup. WhatsApp automatically takes a backup of its chats on the local storage every day.