Questions tagged [sql]
Structured Query Language (SQL) is a language for querying databases. Questions should include code examples, table structure, sample data, and a tag for the DBMS implementation (e.g. MySQL, PostgreSQL, Oracle, MS SQL Server, IBM DB2, etc.) being used.
103
questions
-1
votes
1
answer
48
views
Tools for a data science job [closed]
Could someone list out all the important tools and software required for a data science job? Example spark, tensorflow, SQL, tableau etc.
It would be helpful if you could list the domain and then 2 ...
- 480
-1
votes
1
answer
3k
views
Spark: calculating percentage from a non-Int field
I have a spreadsheet of banking information and one of the goals is to find out the failure rate of an advertising campaign. I think I need to get a count of the total number of entries vs. the total ...
- 101
-1
votes
1
answer
478
views
Tableau: How to change multiple field names
From SQL server I imported multiple tables that each have multiple fields. Unfortunately the field names are not that descriptive (data is originally from SAP) but I have a separate Excel file that ...
- 1