"CHAR" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "德语",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "德语",
  "lang_code": "de",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "(编程)一个定长字符串，当存储时，总是是用空格填满右边到指定的长度，M的范围是1～255个字符，当值被检索时，空格尾部被删除，CHAR值根据缺省字符集以大小写不区分的方式排序和比较，除非给出BINARY关键词，NATIONAL CHAR（短形式NCHAR)是ANSI SQL的方式来定义CHAR列应该使用缺省字符集，这是MySQL的缺省，CHAR是CHARACTER的一个缩写"
      ],
      "id": "zh-CHAR-de-unknown-w7bs8~FH"
    }
  ],
  "word": "CHAR"
}

{
  "categories": [
    "德语"
  ],
  "lang": "德语",
  "lang_code": "de",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "(编程)一个定长字符串，当存储时，总是是用空格填满右边到指定的长度，M的范围是1～255个字符，当值被检索时，空格尾部被删除，CHAR值根据缺省字符集以大小写不区分的方式排序和比较，除非给出BINARY关键词，NATIONAL CHAR（短形式NCHAR)是ANSI SQL的方式来定义CHAR列应该使用缺省字符集，这是MySQL的缺省，CHAR是CHARACTER的一个缩写"
      ]
    }
  ],
  "word": "CHAR"
}