Preview PR pingcap/docs-cn#16257 and this preview is triggered from c…

…ommit pingcap/docs-cn@5e20124

markdown-pages/zh/tidb/master/TOC.md

@@ -4,7 +4,7 @@
 - [文档中心](https://docs.pingcap.com/zh)
 - 关于 TiDB
   - [TiDB 简介](/overview.md)
-  - [TiDB 7.6 Release Notes](/releases/release-7.6.0.md)
+  - [TiDB 7.5 Release Notes](/releases/release-7.5.0.md)
   - [功能概览](/basic-features.md)
   - [与 MySQL 的兼容性](/mysql-compatibility.md)
   - [使用限制](/tidb-limitations.md)
@@ -40,17 +40,11 @@
       - [node-mysql2](/develop/dev-guide-sample-application-nodejs-mysql2.md)
       - [mysql.js](/develop/dev-guide-sample-application-nodejs-mysqljs.md)
       - [Prisma](/develop/dev-guide-sample-application-nodejs-prisma.md)
-      - [Sequelize](/develop/dev-guide-sample-application-nodejs-sequelize.md)
       - [TypeORM](/develop/dev-guide-sample-application-nodejs-typeorm.md)
-      - [Next.js](/develop/dev-guide-sample-application-nextjs.md)
-      - [AWS Lambda](/develop/dev-guide-sample-application-aws-lambda.md)
     - Ruby
       - [mysql2](/develop/dev-guide-sample-application-ruby-mysql2.md)
       - [Rails](/develop/dev-guide-sample-application-ruby-rails.md)
   - 连接到 TiDB
-    - GUI 数据库工具
-      - [MySQL Workbench](/develop/dev-guide-gui-mysql-workbench.md)
-      - [Navicat](/develop/dev-guide-gui-navicat.md)
     - [选择驱动或 ORM 框架](/develop/dev-guide-choose-driver-or-orm.md)
     - [连接到 TiDB](/develop/dev-guide-connect-to-tidb.md)
     - [连接池与连接参数](/develop/dev-guide-connection-parameters.md)
@@ -135,7 +129,6 @@
     - [从大数据量 MySQL 迁移数据到 TiDB](/migrate-large-mysql-to-tidb.md)
     - [从小数据量分库分表 MySQL 合并迁移数据到 TiDB](/migrate-small-mysql-shards-to-tidb.md)
     - [从大数据量分库分表 MySQL 合并迁移数据到 TiDB](/migrate-large-mysql-shards-to-tidb.md)
-    - [从 MariaDB 迁移数据到 TiDB](/migrate-from-mariadb.md)
     - [从 CSV 文件迁移数据到 TiDB](/migrate-from-csv-files-to-tidb.md)
     - [从 SQL 文件迁移数据到 TiDB](/migrate-from-sql-files-to-tidb.md)
     - [从 Parquet 文件迁移数据到 TiDB](/migrate-from-parquet-files-to-tidb.md)
@@ -321,6 +314,7 @@
   - [Load Base Split 使用文档](/configure-load-base-split.md)
   - [Store Limit 使用文档](/configure-store-limit.md)
   - [DDL 执行原理及最佳实践](/ddl-introduction.md)
+  - [PD 微服务使用文档](/pd-microservices.md)
 - TiDB 工具
   - [功能概览](/ecosystem-tool-user-guide.md)
   - [使用场景](/ecosystem-tool-user-case.md)
@@ -565,7 +559,6 @@
       - [双向复制](/ticdc/ticdc-bidirectional-replication.md)
       - [单行数据正确性校验](/ticdc/ticdc-integrity-check.md)
       - [主从集群一致性读和数据校验](/ticdc/ticdc-upstream-downstream-check.md)
-      - [TiCDC 行为变更说明](/ticdc/ticdc-behavior-change.md)
     - 监控告警
       - [基本监控指标](/ticdc/ticdc-summary-monitor.md)
       - [详细监控指标](/ticdc/monitor-ticdc.md)
@@ -661,7 +654,6 @@
     - [TiDB 分布式执行框架介绍](/tidb-distributed-execution-framework.md)
     - [TiDB 全局排序](/tidb-global-sort.md)
   - [系统变量](/system-variables.md)
-  - [服务器状态变量](/status-variables.md)
   - 配置文件参数
     - [tidb-server](/tidb-configuration-file.md)
     - [tikv-server](/tikv-configuration-file.md)
@@ -834,7 +826,9 @@
       - [`SHOW FIELDS FROM`](/sql-statements/sql-statement-show-fields-from.md)
       - [`SHOW GRANTS`](/sql-statements/sql-statement-show-grants.md)
       - [`SHOW IMPORT JOB`](/sql-statements/sql-statement-show-import-job.md)
+      - [`SHOW INDEX`](/sql-statements/sql-statement-show-index.md)
       - [`SHOW INDEXES`](/sql-statements/sql-statement-show-indexes.md)
+      - [`SHOW KEYS`](/sql-statements/sql-statement-show-keys.md)
       - [`SHOW MASTER STATUS`](/sql-statements/sql-statement-show-master-status.md)
       - [`SHOW PLACEMENT`](/sql-statements/sql-statement-show-placement.md)
       - [`SHOW PLACEMENT FOR`](/sql-statements/sql-statement-show-placement-for.md)
@@ -1036,10 +1030,7 @@
   - [版本发布时间线](/releases/release-timeline.md)
   - [TiDB 版本规则](/releases/versioning.md)
   - [TiDB 离线包](/binary-package.md)
-  - v7.6
-    - [7.6.0-DMR](/releases/release-7.6.0.md)
   - v7.5
-    - [7.5.1](/releases/release-7.5.1.md)
     - [7.5.0](/releases/release-7.5.0.md)
   - v7.4
     - [7.4.0-DMR](/releases/release-7.4.0.md)
@@ -1048,7 +1039,6 @@
   - v7.2
     - [7.2.0-DMR](/releases/release-7.2.0.md)
   - v7.1
-    - [7.1.4](/releases/release-7.1.4.md)
     - [7.1.3](/releases/release-7.1.3.md)
     - [7.1.2](/releases/release-7.1.2.md)
     - [7.1.1](/releases/release-7.1.1.md)
@@ -1058,7 +1048,6 @@
   - v6.6
     - [6.6.0-DMR](/releases/release-6.6.0.md)
   - v6.5
-    - [6.5.8](/releases/release-6.5.8.md)
     - [6.5.7](/releases/release-6.5.7.md)
     - [6.5.6](/releases/release-6.5.6.md)
     - [6.5.5](/releases/release-6.5.5.md)