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常用的gbase數據庫語法有哪些

小億
289
2023-10-16 15:04:27
欄目: 大數據

常用的gbase數據庫語法包括:

  1. 創建數據庫:

CREATE DATABASE database_name;

  1. 使用數據庫:

USE database_name;

  1. 創建表:

CREATE TABLE table_name (column1 datatype, column2 datatype, …);

  1. 刪除表:

DROP TABLE table_name;

  1. 插入數據:

INSERT INTO table_name (column1, column2, …) VALUES (value1, value2, …);

  1. 更新數據:

UPDATE table_name SET column1 = value1, column2 = value2, … WHERE condition;

  1. 刪除數據:

DELETE FROM table_name WHERE condition;

  1. 查詢數據:

SELECT column1, column2, … FROM table_name WHERE condition;

  1. 排序數據:

SELECT column1, column2, … FROM table_name ORDER BY column1 ASC/DESC;

  1. 聚合函數:

SELECT COUNT(column) FROM table_name;

SELECT SUM(column) FROM table_name;

SELECT AVG(column) FROM table_name;

SELECT MAX(column) FROM table_name;

SELECT MIN(column) FROM table_name;

  1. 聯合查詢:

SELECT column1, column2, … FROM table1 INNER JOIN table2 ON condition;

  1. 分組查詢:

SELECT column1, column2, … FROM table_name GROUP BY column1;

以上是一些常用的gbase數據庫語法,具體使用時可以根據自己的需求進行調整。

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