MigrationBuilder.AlterDatabase 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Migrations

組件:

Microsoft.EntityFrameworkCore.Relational.dll

套件:

Microsoft.EntityFrameworkCore.Relational v10.0.0

多載

名稱	Description
AlterDatabase(String, String)	建立並 AlterDatabaseOperation 修改現有資料庫。

AlterDatabase(String, String)

來源:

MigrationBuilder.cs

建立並 AlterDatabaseOperation 修改現有資料庫。

public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.AlterOperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AlterDatabaseOperation> AlterDatabase(string? collation = default, string? oldCollation = default);

abstract member AlterDatabase : string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.AlterOperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AlterDatabaseOperation>
override this.AlterDatabase : string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.AlterOperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AlterDatabaseOperation>

Public Overridable Function AlterDatabase (Optional collation As String = Nothing, Optional oldCollation As String = Nothing) As AlterOperationBuilder(Of AlterDatabaseOperation)

參數

collation

String

一個用於欄位的排序。

oldCollation

String

之前的排序會套用到欄位。

傳回

AlterOperationBuilder<AlterDatabaseOperation>

一個建構器，允許在操作中加入註解。

備註

更多資訊與範例請參見 資料庫遷移 。