readTransaction

Purpose

Opens a database in read-only mode, i.e. it allows only read SQL statements to run on the database. It imposes a shared read lock on the database.

readTransaction(callback, errorCallback, successCallback)

This method does not return anything.

Name	Description	Type
callback	The transaction callback invoked with the `SQLTransaction` object that represents the transaction. The transaction callback executes the query.	SQLTransactionCallback
errorCallback	An optional callback object containing a method to handle transaction errors.	SQLTransactionErrorCallback
successCallback	An optional callback object containing a method to be executed when the transaction succeeds.	SQLVoidCallback