Question: During the Prepare Data stage of a data analysis project, an example of Loading within ETL is filtering out null values prior to using the

During the Prepare Data stage of a data analysis project, an example of Loading within ETL is
filtering out null values prior to using the data for analysis.
executing nightly batch jobs that copy data from the ERP system to the data warehouse.
downloading the Excel file from the ERP system.
cleaning the data prior to importing it into the analysis software.
During the Prepare Data stage of a data analysis

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