The column "..." cannot be modified because it is a computed column, or the result of the UNION operator.

Others 2022-04-22 09:23:16 views: 0

Modify Mapping

this.Property(t => t.。。).HasDatabaseGeneratedOption(System.ComponentModel.DataAnnotations.Schema.DatabaseGeneratedOption.Computed);

Guess you like

Origin http://43.154.161.224:23101/article/api/json?id=324942745&siteId=291194637

The column "..." cannot be modified because it is a computed column, or the result of the UNION operator.

DataTable computed column

column not found in result set

Change the query result column names

oracle replaced by UNION OR (applicable to index column)

Mysql Unknown column in where clause union all

Incorrect string value: 'è·å...' for column 'result' at row 1

Use OR conditions in WHERE clause as column names in result

How to hide a column in output result in Mysql?

Add new column to result and coalesce table

MYSQL query to exclude column with null value in the result

mysql query result add a column auto increment

ORACLE table query result transpose (fixed column)

Updating the partition key column will result in a change of the partition

SQL Server multi computed columns reference the same column

SQL query to get computed values from the same column in one row

dataTable input can be modified, the column select SELECT, upload operation with

Oracle base - modified column data types on which data

Word double column cannot be aligned left and right

1048, "Column 'user_id' cannot be null"

SQL performance optimization: MS-SQL (SQL Server) trace log information result column field description, MSSQL column field description (column)

Union can only be performed on tables with the compatible column types

Error attempting to get column 'e_gender' from result set

How to add a column of a constant value from a query to another query result?

ColumnListHandler: Store the data of a column in the result set in the List.

Union比or快 Using UNION is faster when it comes to cases like scan two different column。

Implementation scheme of combining multiple sql result sets with new result report by column

Generated Column column in MySQL (calculated column)

Recommended

Ranking

vue project automated build tools 1.0, support for multi-page build

JDBC add, update, delete data

SpringCloud combat service in response to the decline tutorial series (Chapter IV)

A segmentation fault (core dumped) error occurs when C+11 compiles and calls the PCL library

Django achieve websocket

Go语言并发之道--笔记1

Three-tier structure and application

Zhejiang data structure after-school exercise practice two 7-2 Reversing Linked List (25 points)

Front-end interview brushing day9 (updated daily high-frequency inspection points for front-end interviews)

The difference between the shell of the single and double quote

Daily

2024-05-02(0)

2024-05-01(4)

2024-04-30(36)

2024-04-29(5)

2024-04-28(12)

2024-04-27(29)

2024-04-26(22)

2024-04-25(32)

2024-04-24(30)

2024-04-23(30)