Database, Tech.
"hist_item": [[43,23,65,675,3456,8654,123454,54367,234561],[675,3456,8654,123454,76543,1234,9769,5670,65443,123098,34219,234098]] }' Query the total number of product items: Run the following command to return the total number of item vectors stored in the Milvus database. curl -X 'POST' \