# BzDB

**Repository Path**: thelastbug/BzDB

## Basic Information

- **Project Name**: BzDB
- **Description**: 这是一个基于C语言的简易版的数据库
- **Primary Language**: C
- **License**: MulanPSL-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 1
- **Created**: 2025-05-24
- **Last Updated**: 2025-05-24

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# BzDB

#### 介绍
这是一个基于C语言的简易版的数据库

教程链接：https://www.bilibili.com/video/BV1Az4y1Y79u

### 数据结构介绍


```
               col_name1      |   col_name2      |   col_name3
------------------------------------------------------------------
BzDB_row_t  [   BzDB_value_t  ,  BzDB_value_t   ,  BzDB_value_t ]
BzDB_row_t  [   BzDB_value_t  ,  BzDB_value_t   ,  BzDB_value_t ]
BzDB_row_t  [   BzDB_value_t  ,  BzDB_value_t   ,  BzDB_value_t ]
BzDB_row_t  [   BzDB_value_t  ,  BzDB_value_t   ,  BzDB_value_t ]
```

url: https://gitee.com/banzhen/BzDB

```c

typedef enum {
    STRING,
    INTEGER
}BzDB_ValueType;

typedef struct BzDB_String{
    char data[BzDB_STRING_MAXLEN];
}BzDB_String_t;


typedef struct BzDB_Integer{
    int data;
}BzDB_Integer_t;


typedef struct BzDB_Value_t{
    BzDB_Integer_t valueint;
    BzDB_String_t valuestring ;
}BzDB_Value_t;

typedef struct BzDB_Row_t{
    // 一行里面最多MAX_COL_COUNT个数
    BzDB_Value_t value[BzDB_MAX_COL_COUNT];
}BzDB_Row_t;

typedef struct BzDB_Table_t{
    // 存放列名
    BzDB_String_t col_names[BzDB_MAX_COL_COUNT];
    BzDB_ValueType col_names_type[BzDB_MAX_COL_COUNT];

    // 存放行名
    BzDB_Row_t row_list[BzDB_MAX_ROW_COUNT];

    int used_row_count ;
    int used_col_count ;
    int max_row_count  ;
    int max_col_count  ;
}BzDB_Table_t;

```


http://www.eepw.com.cn/zhuanlan/255172.html