-
Python
How to insert bulk data into MySQL with Python
Mysql insert is so slow in my Python program. When we try to insert huge data to MySQL table with using Python code, sometimes it takes long time. If possibl... -
Salesforce
The reason of "Your administrator disabled reporting or changed the relationship for a custom object" in Salesforce
I can't run the dashboard or report in Salesforce... Salesforce is a CRM (customer management system) and web service used all over the world.Although i... -
Python
Pandas error "Unalignable boolean Series provided as indexer"
Why does pandas say "Unalignable boolean Series provided" error ? pandas.DataFrame is useful to handle table format data. With using pandas, we can impo... -
Python
The reason of "RuntimeError: cryptography is required"
Hmm, Python displays "cryptography is required" error. One day, when I tried to connect to MySQL from Python, I got this error. RuntimeError: cryptography is... -
SQL
How to calculate cosine similarity of array in BigQuery
How can we calculate cosine similarity in BigQuery ? BigQuery(BQ) is very useful for data analysis or processing.It is good for handling huge data.It returns... -
SQL
How to decompose "from-to term" record by each date record in BigQuery
How can I decompose "from-to term" record by each date record ? BigQuery(BQ) is very useful for data analysis or processing.It is good to handle huge data.It... -
SQL
How to get YYYYMM format string from date column in BigQuery
How can I get YYYYMM format from date column in BigQuery ? BigQuery(BQ) is very useful for data analysis or processing.It is good at handling huge data. It r... -
SQL
The reason why comparison and conditional aggregation fail in BigQuery
Why did comparison and conditional aggregation fail in BigQuery ? BigQuery(BQ) is very useful for data analysis or processing.It is good at handling huge dat... -
SQL
How to rank data considering duplication in BigQuery
How can we rank data in BigQuery ? BigQuery(BQ) is very useful for data analysis or processing.It is good at handling huge data. It returns summary result in... -
SQL
Dynamic unpivot SQL for multiple columns in Bigquery
Writing each column into unpivot clause is so bothering for me... BigQuery(BQ) is very useful for data analysis or processing.It is good for handling huge da...