Vamsi Prabhala questions

Vamsi Prabhala answers

• Oracle numeric string column and indexing
• how to handle white spaces in sql
• SQL - Operand data type datetime2 is invalid for subtract operator
• Redshift convert dates to unix timestamps
• SQL Server Reverse Running Total
• Combing the data of a table in hive
• Postgresql OVER and GROUP
• Replace multiple repeating character to one
• Count() where the item counted is a JOIN back to another table
• Oracle Rank() within (sub)group