Step upgrade j3 to j4

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Upgrade 3.10.12
Upgrade next
mod_unread

SELECT * FROM `jos_extensions` where name='PKG_JOOMLA' or name='atomic' or name='SimplePie' or name='beez5' or name='beez_20' or name='beez5' or name='beez_20' or extension_id='10316' or extension_id='10399'  or extension_id='10400'  or extension_id='10422'  or extension_id='10438';
Upgrade j4
Installs extensions
Import
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DOCMAN:
    j3 upgrade
    Export
    Import
    Expire
    UPDATE  jos_docman_documents SET publish_on = NULL,unpublish_on = NULL,locked_on = NULL
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JCALL:
SELECT * FROM `jos_categories` where extension='com_jcalpro'
Categorie rebuild
J3 db export all table 'insert only'
J4 db import
Location : AIzaSyBuKV59lhdpaPMM4AHGSXlyTJrBOCib3K4


ALTER TABLE `jos_jcalpro_events`  DROP `day`,  DROP `month`,  DROP `year`,  DROP `hour`,  DROP `minute`,  DROP `registration_start_day`,  DROP `registration_start_month`,  DROP `registration_start_year`,  DROP `registration_start_hour`,  DROP `registration_start_minute`,  DROP `registration_end_day`,  DROP `registration_end_month`,  DROP `registration_end_year`,  DROP `registration_end_hour`,  DROP `registration_end_minute`,  DROP `end_month`,  DROP `end_year`,  DROP `end_day`,  DROP `end_hour`,  DROP `end_minute`;
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Visform:
Fields
Form
copy from j3 fix miss icon: media\jui
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weblinks
Install extension by web
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Move site
Create j3
Move j3
J4 move to public_html
J3 move to root (empty path)
Config 90, log path, search index, account