Gbase 数据库是一种关系型数据库管理系统,它的语法与标准的 SQL 语法基本相同。以下是一些 Gbase 数据库的常见语法:

  1. 创建数据库:

    CREATE DATABASE database_name;
    
  2. 删除数据库:

    DROP DATABASE database_name;
    
  3. 创建表:

    CREATE TABLE table_name (
       column1 datatype,
       column2 datatype,
       column3 datatype,
       ...
    );
    
  4. 删除表:

    DROP TABLE table_name;
    
  5. 插入数据:

    INSERT INTO table_name (column1, column2, column3, ...) VALUES (value1, value2, value3, ...);
    
  6. 更新数据:

    UPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition;
    
  7. 删除数据:

    DELETE FROM table_name WHERE condition;
    
  8. 查询数据:

    SELECT column1, column2, ... FROM table_name WHERE condition;
    
  9. 聚合函数:

    SELECT COUNT(column_name) FROM table_name;
    SELECT SUM(column_name) FROM table_name;
    SELECT AVG(column_name) FROM table_name;
    SELECT MAX(column_name) FROM table_name;
    SELECT MIN(column_name) FROM table_name;
    
  10. 排序:

    SELECT column1, column2, ... FROM table_name ORDER BY column_name ASC|DESC;
    
  11. 分组:

    SELECT column1, column2, ... FROM table_name GROUP BY column_name;
    
  12. 连接:

    SELECT column_name(s) FROM table1 INNER JOIN table2 ON table1.column_name = table2.column_name;
    SELECT column_name(s) FROM table1 LEFT JOIN table2 ON table1.column_name = table2.column_name;
    SELECT column_name(s) FROM table1 RIGHT JOIN table2 ON table1.column_name = table2.column_name;
    

这些是 Gbase 数据库的一些常见语法,更多详细的语法可以参考 Gbase 数据库的官方文档。

Gbase 数据库语法详解:创建、删除、插入、更新、查询等操作

原文地址: https://www.cveoy.top/t/topic/qvhJ 著作权归作者所有。请勿转载和采集!

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