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When I read my csv file below

"Data Source","World Development Indicators",

"Last Updated Date","2017-02-01",

"Country Name","Country Code","Indicator Name","Indicator Code","1960","1961","1962","1963","1964","1965","1966","1967",...
Actual data...

enter image description here

"_1" is added to "1960","1961",...

Why does it happen and how can I avoid it?

My environment is Ubuntu 14.04 and QGIS 2.18.1

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  • 7
    Neither "1960" nor "1960_1" is a legal SQL identifier (they would need to start with an alpha [a-z]), but "1960_1" is at least a string.
    – Vince
    Feb 19, 2017 at 21:08
  • 1
    using column names that start with a number will cause problems later if you try to style the layer using those columns,
    – Ian Turton
    Feb 20, 2017 at 9:03
  • Ok, so it's related to SQL and to make is explicitly string, it automatically add "_1". I don't know much about SQL but it seems like I should change column names before importing to QGIS. Thank you for the comments!
    – user26767
    Feb 26, 2017 at 17:49

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