Can I use
?

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 - 116: Supported
  4. 117: Supported
  5. 118: Supported
  6. 119 - 120: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 100: Supported
  3. 101 - 109: Supported
  4. 110 - 116: Supported
  5. 117: Supported

Safari

  1. 3.1 - 12.1: Supported
  2. 13 - 16.6: Not supported
  3. 17.0: Not supported
  4. 17.1 - TP: Not supported

Firefox

  1. 2 - 116: Not supported
  2. 117: Not supported
  3. 118 - 120: Not supported

Opera

  1. 9 - 10.1: Not supported
  2. 10.5 - 90: Supported
  3. 91 - 101: Supported
  4. 102: Supported

IE

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

Chrome for Android

  1. 117: Supported

Safari on iOS

  1. 3.2 - 12.5: Supported
  2. 13 - 16.6: Not supported
  3. 17.0: Not supported
  4. 17.1: Not supported

Samsung Internet

  1. 4 - 21: Supported
  2. 22: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10: Not supported
  2. 11 - 12.1: Supported
  3. 73: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Supported
  2. 117: Supported

Firefox for Android

  1. 117: Not supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: 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