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AI-原生数据库SynapCores SQLv2与PostgreSQL之比较
Luis M · 2026-05-24 · via DEV Community

Luis M

SynapCores SQLv2 与 PostgreSQL 之辩:数据库系统之演进

人工智能数据库之革命

吾辈于 SynapCores 中构建窗口函数(如 LAG、LEAD、RANK 等),此乃吾辈自 PostgreSQL 此类传统数据库以来所臻之境也。

SynapCores 之所以卓尔不群者,其要在于:


自始即以人工智能为本

PostgreSQL + pgvector 之法:

-- Need extensions, custom operators, separate indexing
CREATE EXTENSION vector;
CREATE INDEX ON products USING ivfflat (embedding vector_cosine_ops);
SELECT * FROM products
ORDER BY embedding <-> '[0.1, 0.2, ...]'::vector
LIMIT 10;

入全景模式 出全景模式

SynapCores之术:

-- Built-in, no extensions needed
SELECT * FROM products
WHERE COSINE_SIMILARITY(embedding, EMBED('wireless headphones')) > 0.7
ORDER BY similarity DESC;

入全景模式 出全景模式

其异何在?本源嵌入生成与向量检索,皆在纯SQL中耳.


时序分析

PostgreSQL:

-- Complex window functions, manual partitioning
SELECT product_id, date, sales,
       LAG(sales, 1) OVER (PARTITION BY product_id ORDER BY date) as prev_sales,
       LAG(sales, 7) OVER (PARTITION BY product_id ORDER BY date) as week_ago
FROM sales_data;

入全景模式 離全屏模式

SynapCores:

-- Same syntax, but with ML-powered forecasting
SELECT product_id, date, sales,
       LAG(sales, 1) OVER (PARTITION BY product_id ORDER BY date) as prev_sales,
       PREDICT(sales, 7) OVER (PARTITION BY product_id ORDER BY date) as forecast
FROM sales_data;

入全屏模式 離全屏模式

以視窗函數乎?然。此乃統合SQL與ML之勢也.


論義搜尋

PostgreSQL + 全文搜尋:

-- Keyword matching, not semantic understanding
SELECT * FROM documents
WHERE to_tsvector('english', content) @@ to_tsquery('database & performance');

入全屏模式 離全屏模式

SynapCores:

-- Understands meaning, not just keywords
SELECT * FROM documents
WHERE COSINE_SIMILARITY(
    EMBED(content),
    EMBED('How do I make my database faster?')
) > 0.8;

进入全屏模式 退出全屏模式

知"速之"即"效能",知"吾之数据库"即"数据库系统"。真义之通晓.


实相之别

PostgreSQL,非凡之数据库也。吾辈非与之竞,乃为异时之世而建。

PostgreSQL之建也,为:

  • 交易之务
  • 繁复之联
  • 酸碱之保
  • 延展之能

  • SynapCores之建也,为:
  • 上述皆备,复加
  • 本地产之矢算
  • 内嵌之智识
  • 人工智能驱动之分析

此事何以为要

至二零二五年,凡应用皆需:

  1. 向量检索(用于问答系统、推荐、相似度匹配)
  2. 嵌入(用于语义理解)
  3. 时间序列(用于预测、异常检测)
  4. 传统SQL(用于业务逻辑)

若用 PostgreSQL,需备:

  • pgvector 扩展
  • 独立嵌入服务(OpenAI API,本地模型)
  • 时序数据库 TimescaleDB
  • 定制机器学习流程
  • 繁复编排

若用 SynapCores,但书 SQL。仅此而已。


实例:电商搜索

PostgreSQL之法:

# 1. Generate embeddings (external service)
embedding = openai.Embedding.create(input="wireless headphones")

# 2. Query with pgvector
results = db.execute("""
    SELECT * FROM products
    ORDER BY embedding <-> %s::vector
    LIMIT 10
""", [embedding])

# 3. Re-rank with business logic
# 4. Filter out-of-stock
# 5. Apply personalization

入全屏模式 出全屏模式

-- One query, all in SQL
SELECT
    product_name,
    COSINE_SIMILARITY(embedding, EMBED('wireless headphones')) as relevance,
    PREDICT(will_purchase, user_id, product_id) as purchase_probability
FROM products
WHERE in_stock = true
  AND relevance > 0.7
ORDER BY purchase_probability DESC
LIMIT 10;

SynapCores之法: 入全屏模式

出全屏模式__JHSNS_SEG_e71dfc8a_66__嵌入生成,向量检索,及机器学习预测,皆于一问中成之


性能 __JHSNS_SEG_e71dfc8a_68__"然,此非较PostgreSQL为缓乎?"

实不然也。盖因:

  1. 无网络往返向外嵌入之服务
  2. 土生索引(HNSW) 优化以利于相似性搜索
  3. 查询优化通晓机器学习之术
  4. 独询之策= 更优之缓存利用

吾等已见之较之PostgreSQL合pgvector及外部嵌入,于向量运算,速三至五倍焉


要旨

PostgreSQL于九十年代及二千年间,革新数据库之制

SynapCores,正为人工智能之世,行此壮举

非欲代 PostgreSQL,乃为开发者,赐以适于二零二五年之器,非一九九六年之具


。 尝之

此乃真询可施:

-- Find products similar to what a user searched for
SELECT
    p.product_name,
    p.price,
    COSINE_SIMILARITY(p.embedding, EMBED(:search_query)) as similarity
FROM products p
WHERE similarity > 0.7
  AND p.category IN (
    SELECT category FROM user_preferences WHERE user_id = :user_id
  )
ORDER BY similarity DESC
LIMIT 20;

入全景模式 出全景模式

试于 PostgreSQL 中为之,勿需多番往返外务。


功能较量表

功能 PostgreSQL SynapCores
SQL 标准化 全然支持 全然支持
ACID事务
向量检索 扩展(pgvector) 原生
嵌入生成 外部服务 原生(EMBED())
机器学习预测 外部服务 本源 (预测())
语义检索 基于关键词 真语义
时间序列 扩展 (TimescaleDB) 本源
自动机器学习 外部服务 本源 (创建实验)
多模态数据 手动管道 原语(图像、音频、视频)
文字识别/转录 外部服务 原生函数

文档版本:一.零
最后更新:二零二五年十二月
网址https://synapcores.com


初载于synapcores.com — SynapCores者,一码之智库也,无费,专于智,含矢图、图语、诘诂及智言。