html5 - What Is the Size Limitation of Google Chrome Databases for Google Chrome Apps? -


i'm php developer. have client steering me in direction of standalone app runs on mac, windows, , linux. deals pilot weather data , wants work offline during flights , sync fresh data in airport wifi. thought of google chrome apps this.

i need know storage size limitation google chrome databases when used in google chrome apps. i've been having trouble finding information.

some extra, related questions are:

  • when clears chrome browser cache, mean databases, local storage, , application cache wiped clean? or, of resources cleaned? fear clears cache , there goes offline app storage in google chrome app.

  • i hate sound dumb, "websql" different chrome databases?

  • why use local storage versus chrome database? (see difference when ctrl+shift+i in chrome, , click resources tab.)

storage limit 5mb default. limit can disabled unlimitedstorage permission (more details here).

i don't want clear cache test it, pretty sure storage not cleaned. there related issue report says there no way delete storage explicitly right now.

webdatabase, websql, "a database api" refer same thing - web database api based on sqlite.

web database pretty full scale database, localstorage hashmap (an associative array) stores key-value pairs.


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