我想運行在一個Tkinter的界面創建功能,但它給我這個錯誤: 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''' (id INT NOT NULL
Spark-cassandra-connector-java和Spark SQL DataFrame apis中使用Spark 1.5.1,篩選出長度小於或大於給定長度的字符串列的最佳方法是什麼? 我試圖做這樣的事情 DataFrame df = context.sql("select key from mytable where key is not null")
DataFrame fdf
我嘗試連接到SAP使用SAP連接器3.0,但給我這樣的錯誤: {
SAP.Middleware.Connector.RfcCommunicationException:
LOCATION CPIC (TCP/IP) on local host with Unicode
ERROR partner 'mysapserveraddress:3350' not reached
TIME Mo