Can I use
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Web SQL Database

- UNOFF

Method of storing data client-side, allows SQLite database queries for access and manipulation.

Chrome

  1. 4 - 100: Supported
  2. 101 - 109: Supported
  3. 110 - 118: Supported
  4. 119 - 123: Supported
  5. 124 - 141: Not supported
  6. 142: Not supported
  7. 143 - 145: Not supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 100: Supported
  3. 101 - 109: Supported
  4. 110 - 123: Supported
  5. 124 - 141: Not supported
  6. 142: Not supported

Safari

  1. 3.1 - 12.1: Supported
  2. 13 - 26.0: Not supported
  3. 26.1: Not supported
  4. 26.2 - TP: Not supported

Firefox

  1. 2 - 143: Not supported
  2. 144: Not supported
  3. 145 - 147: Not supported

Opera

  1. 9 - 10.1: Not supported
  2. 10.5 - 90: Supported
  3. 91 - 109: Supported
  4. 110 - 121: Not supported
  5. 122: Not supported

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Chrome for Android

  1. 142: Not supported

Safari on iOS

  1. 3.2 - 12.5: Supported
  2. 13 - 18.6: Not supported
  3. 26.0: Not supported
  4. 26.1: Not supported

Samsung Internet

  1. 4 - 28: Supported
  2. 29: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10: Not supported
  2. 11 - 12.1: Supported
  3. 80: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Supported
  2. 142: Not supported

Firefox for Android

  1. 144: Not supported

QQ Browser

  1. 14.9: Supported

Baidu Browser

  1. 13.52: Supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported

The Web SQL Database specification is no longer being maintained and support is intended to be dropped in future versions. Migrate to e.g. Web Storage or IndexedDB.

Resources:
Chrome platform status: Deprecate and remove WebSQL in non-secure contexts
HTML5 Doctor article
has.js test
Caught at shutdownArray ( [type] => 1 [message] => Uncaught Error: Call to undefined method CaniuseIndex::runTests() in /home/canius6/public_html/admin/templates/main.tpl.php:174 Stack trace: #0 /home/canius6/public_html/admin/lib/index.class.php(204): include() #1 /home/canius6/public_html/admin/lib/index.class.php(788): CaniuseIndex->showPage() #2 /home/canius6/public_html/admin/lib/index.class.php(44): CaniuseIndex->start() #3 /home/canius6/public_html/index.php(10): CaniuseIndex->showIndex() #4 {main} thrown [file] => /home/canius6/public_html/admin/templates/main.tpl.php [line] => 174 ) Caught at shutdown

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