QueryTable(OpenXmlElement[]) 使用指定的子元素初始化 QueryTable 类的新实例。 QueryTable(String) 从外部 XML 初始化 QueryTable 类的新实例。 属性 展开表 AdjustColumnWidth adjustColumnWidth 表示架构中的以下属性:adjustColumnWidth ApplyAlignmentFormats 应用对齐格式 表示架构中的以下属性:applyAlignmentFo...
A DELETE query in SQL is used to remove one or more rows from a table based on certain conditions. It’s a powerful operation that requires caution, as the deleted data is permanently removed from the table. Here’s the basic structure of a DELETE query: DELETE FROM table_name WHERE con...
When you make a change in the Diagram pane, the Grid pane and SQL pane are updated to reflect your change. For example, if you select a column for output in a table, view, user-defined function, or subquery window in the Diagram pane, the Query Designer adds the data column to ...
In this month's column I will perform practical queries and operations with LINQ, using both LINQ to Objects and LINQ to Entities. I'll query a single collection of entities and dive deeper into a hierarchical set of entities using their navigation properties. I'll also show how you can ap...
Table.ExpandTableColumn(tableas table,columnas text,columnNamesas list, optionalnewColumnNamesas nullable list) as table 关于 将table[column] 中的表展开为多个行和列。columnNames用于从内部表中选择要扩展的列。 指定newColumnNames以避免现有列与新列之间的冲突。
如果要更换标题需要涉及到的函数是Table.RenameColumns;获取标题的函数Table.ColumnNames。 (二) 函数的定义及说明 Table.RenameColumns(table astable, renames aslist,optionalmissingField asnullable number) astable 例: 1. 修改单个标题 在表1里直接输入公式 ...
Table.DuplicateColumn(tableas table,columnNameas text,newColumnNameas text, optionalcolumnTypeas nullable type) as table 關於 將名為columnName的資料行複製到資料表table。 資料行newColumnName的值和類型是從資料行columnName所複製。 範例 將資料行 "a" 複製到資料表({[a = 1, b = 2], [a = 3...
Using a delete query Using an update query Additional Information Troubleshooting tips Choosing a query type You can use either an update query or a delete query to delete data from your database. Select a query based on the details in the following table: Type of query When to use...
Table.ConformToPageReader Table.Contains Table.ContainsAll Table.ContainsAny Table.DemoteHeaders Table.Distinct Table.DuplicateColumn Table.ExpandListColumn Table.ExpandRecordColumn Table.ExpandTableColumn Table.FillDown Table.FillUp Table.FilterWithDataTable ...
You can also see the M formula text for the transformation above the table preview.After you select OK, your new column becomes part of your query. A new step is also added to your query.Column from examples, from all columnsThe next goal is to create a Full Name column by using the...