{ columnType = columnInfo[1].trim(); } final JavaFileTypeEnum javaFileType = JavaFileTypeEnum .of(columnType) .orElse(JavaFileTypeEnum.UNKNOWN); final RelDataType sqlType = typeFactory.createSqlType(javaFileType.getSqlTypeName()); names.add(columnName); types.add(sqlType); if (fieldTypes...
1.左外连接 关键字：LEFT[OUTER]JOIN 返回左表中的所有行，如果左表中行在右表中没有匹配行，...
1.) navigating to the "Data" menu 2.) select "Get Data" ribbon button 3.) select "from database" 4.) Select "From SQL Server Database" 5.) In the resulting dialog, enter the server name, the database name, and the following SQL script: ...
cur.execute(sql)#输入要查询的SQLrel =cur.fetchall() cur.close() conn.close()returnreldefgetxlsx(rel):'''把从数据库中查询出来的数据写入excel文件 :param rel: :return:'''file_name= time.strftime('%Y-%m-%d') +'.xlsx'dret= pd.DataFrame.from_records(list(rel))#mysql查询的结果为元组,...
Power Query编辑器界面 9.说回合并工作簿，重点来了哈。选择content（内容）的双箭头点击，选择参数1，...
如何使用Excel的Power Query功能连接到SQL数据库并检索数据? 在Excel中使用过滤器功能筛选SQL表数据的具体步骤是什么? Excel中如何通过SQL查询语句来精确检索特定数据? 是一种常见的数据分析和查询方法。Excel是一种常用的电子表格软件,可以通过连接到SQL数据库来检索和处理数据。
I am receiving this error on a Windows 7 PC with Excel 2016, when trying to refresh a SQL Query. I do not get this on a Windows 10 PC and the Query refresh works. I created a new Excel file and began the New Query Process; From Database; SQL Server; Entered Server Name, Data...
Sub accid_load() On Error GoTo errHdl Dim n As Integer Dim rs_str As String 'Call sqlsvrcnn(cn) rs_str = "select a.cAcc_Id+'_'+b.cAcc_Name +'_'+cast(a.iBeginYear as varchar(4))" _ & " from UA_AccountDatabase a left join UA_Account b" _ & " on a.cAcc_Id=b.cAcc...
Sub QuerySQLServer() Dim conn As Object Dim rs As Object Dim strSql As String Set conn = CreateObject("ADODB.Connection") conn.Open "Provider=SQLOLEDB;Data Source=ServerName;Initial Catalog=DatabaseName;User ID=UserName;Password=Password;" ...
There are tons of ways to get the data from Excel worksheet. In this article I'm going to show You how to query Excel data using SQL in VBA.