[docs add]SQL语法基础知识总结 + SQL常见面试题总结

Author: Snailclimb

README.md

@@ -191,6 +191,10 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
 - [数据库基础知识总结](./docs/database/basis.md)
 - [NoSQL 基础知识总结](./docs/database/nosql.md)
 - [字符集详解](./docs/database/character-set.md)
+- SQL :
+  - [SQL语法基础知识总结](./docs/database/sql/sql-syntax-summary.md)
+  - [SQL常见面试题总结](./docs/database/sql/sql-questions-01.md)
+
 
 ### MySQL
 

docs/.vuepress/sidebar.ts

@@ -230,7 +230,18 @@ export const sidebarConfig = sidebar({
         {
           text: "基础",
           icon: "basic",
-          children: ["basis", "nosql", "character-set"],
+          children: [
+            "basis",
+            "nosql",
+            "character-set",
+            {
+              text: "SQL",
+              icon: "SQL",
+              prefix: "sql/",
+              collapsible: true,
+              children: ["sql-syntax-summary", "sql-questions-01"],
+            },
+          ],
         },
         {
           text: "MySQL",

docs/.vuepress/themeConfig.ts

@@ -11,7 +11,7 @@ export const themeConfig = hopeTheme({
   },
   repo: "https://github.com/Snailclimb/JavaGuide",
   docsDir: "docs",
-  iconAssets: "//at.alicdn.com/t/c/font_2922463_st01t0e9sr.css",
+  iconAssets: "//at.alicdn.com/t/c/font_2922463_9ir10garej4.css",
   navbar: navbarConfig,
   sidebar: sidebarConfig,
   pageInfo: [