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我有一个问题，为 SQL Server 2012 生成的种子输出此错误

[Illuminate\Database\QueryException]
 SQLSTATE[22001]: [Microsoft][SQL Server Native Client 11.0][SQL Server]Stri
 ng or binary data would be truncated. (SQL: insert into [books] ([judul], [
 pengarang], [dcc_code], [penerbit], [isbn], [tahun], [updated_at], [created
 _at]) values (Problem solving with the programmable calculator : puzzle, ga
 mes & simulation with math & science application, David L. Dunlop  Thomas F
 . Sigmund, 510.285, Prentice Hall, 0574213201, 1983, 2015-01-26 03:30:19.00
 0, 2015-01-26 03:30:19.000))'

即使我已确保将架构设置为正确包含数据

    Schema::create('books', function(Blueprint $table)
    {
        $table->engine="INNODB";
        $table->increments('id');
        $table->text('judul');
        $table->string('pengarang', 200);
        $table->string('dcc_code', 20);
        $table->string('penerbit', 100);
        $table->string('edisi', 100)->nullable();
        $table->string('tahun', 10);
        $table->string('isbn', 100)->nullable();
        $table->string('book_image_name', 200)->nullable();

        //Unique to Perpustakaan
        $table->string('call_number', 100)->nullable();
        $table->float('rating_cache')->default('0');
        $table->integer('rating_count')->default('0');
        $table->timestamps();
    });

这是种子

    Book::create( 
        array(
            'judul' => "Problem solving with the programmable calculator : puzzle, games & simulation with math & science application",
            'pengarang' => "David L. Dunlop  Thomas F. Sigmund",
            'dcc_code' => "510.285",
            'penerbit' => "Prentice Hall",
            'isbn' => "0574213201",
            'tahun' => "1983"
        )
    );

任何帮助或提示将不胜感激！:)

根据@patricus 的提示，我发现 SQL Server 中生成的列只有 nvarchar(100) 而不是 nvarchar(300)。即使我已将类型更改为longTextin 迁移，生成的列仍然是nvarchar(100)

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