Magento2: Add stock for all products / Add price for all products

add_price_all_products.sql

#Let's find the attribute_id of price
SELECT attribute_id, backend_type 
FROM `eav_attribute` 
WHERE attribute_code = 'price' AND entity_type_id = 4;

# For instance the attribute_id returned is 77

#  /!\ Warning /!\
# Community Edition : use `entity_id`
# Enterprise Edition : use `row_id`

INSERT INTO catalog_product_entity_decimal (`attribute_id`, `store_id`, `value`, `entity_id`)
SELECT 77, 0, 99, `entity_id`
FROM `catalog_product_entity`
WHERE `entity_id` NOT IN (SELECT `entity_id` FROM catalog_product_entity_decimal WHERE `attribute_id` = 77)

add_stock_all_products.sql

UPDATE cataloginventory_stock_item SET qty = 100, is_in_stock = 1;

REPLACE INTO inventory_source_item (source_code, sku, quantity, STATUS) 
SELECT 'my_stock_source', sku, 100, 1 FROM catalog_product_entity;