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Export MySQL query to Excel file: Difference between revisions
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→One step conversion: ex MySQL query -> Excel file
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Notice the limit of Excel XLS file format: | Notice the limit of Excel XLS file format: | ||
# "Total number of characters that a cell can contain: 32,767 characters" | |||
#* Using [http://www.w3resource.com/mysql/string-functions/mysql-substring-function.php MySQL SUBSTRING() function] ex: {{kbd | key = <nowiki>SUBSTRING(string_column, 1, 32767)</nowiki>}} for EXCEL 97<ref>[https://support.microsoft.com/en-us/kb/296053 Summary of capability limitations in Excel 97]</ref>-2007<ref>[https://support.office.com/en-us/article/Excel-specifications-and-limits-16c69c74-3d6a-4aaf-ba35-e6eb276e8eaa?CorrelationId=1de7e8d2-91e2-4eec-8868-4dc8cbd23463&ui=en-US&rs=en-US&ad=US Excel specifications and limits]</ref> (XLS 檔) | |||
#* validate the count of characters: MySQL {{kbd | key = <nowiki>CHAR_LENGTH</nowiki>}} or Excel {{kbd | key = <nowiki>LEN</nowiki>}} functions | |||
# "Length of formula contents: 8,192 characters" If the content start with the symbol {{kbd | key =<nowiki>=</nowiki>}} or {{kbd | key =<nowiki>-</nowiki>}}, Excel will consider the content is formula. | |||
#* Using CONCAT {{kbd | key =<nowiki>'</nowiki>}} symbol ex: {{kbd | key = <nowiki>CONCAT('\'', string_column)</nowiki>}} If the content is not formula. | |||
# "Worksheet size: 1,048,576 rows": | |||
#* Using {{kbd | key =LIMIT 1048576}} for EXCEL 2007 | |||
<table border="1"> | <table border="1"> | ||
<tr> | <tr> | ||
| Line 25: | Line 33: | ||
</tr> | </tr> | ||
</table> | </table> | ||
integrated solution for Excel limit 1 ~ limit 3 | |||
* {{kbd | key =<nowiki>SELECT SUBSTRING(IF(LEFT(string_column, 1) = '-' OR LEFT(string_column, 1) = '=', CONCAT('\'', string_column), string_column), 1, 32767) FROM <table> LIMIT 1048576</nowiki>}} | |||
相關文章 | |||
* [http://errerrors.blogspot.com/2015/07/excel.html Err: 解決從資料庫輸出 Excel 檔案，遇到非常大數字的科學符號和有效位數的問題] | |||
* [http://errerrors.blogspot.com/2016/02/navicat.html Err: 解決 Navicat 「存放裝置空間不足，無法完成此操作」問題訊息] | |||
=== Two steps conversion ex: MySQL query -> CSV file -> Excel file=== | === Two steps conversion ex: MySQL query -> CSV file -> Excel file=== | ||