Excuse me, how to configure the double bar chart of echarts?

Html front-end echarts
Mar.09,2021

official website example x axis y axis reverses
http://echarts.baidu.com/exam.

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e8ab4d-ff9.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e8ab4d-ff9.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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