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diff --git a/markdown-pages/en/tidb/master/TOC.md b/markdown-pages/en/tidb/master/TOC.md
@@ -4,7 +4,7 @@
 - [Docs Home](https://docs.pingcap.com/)
 - About TiDB
   - [TiDB Introduction](/overview.md)
-  - [TiDB 7.4 Release Notes](/releases/release-7.4.0.md)
+  - [TiDB 7.2 Release Notes](/releases/release-7.2.0.md)
   - [Features](/basic-features.md)
   - [MySQL Compatibility](/mysql-compatibility.md)
   - [TiDB Limitations](/tidb-limitations.md)
@@ -36,25 +36,7 @@
       - [PyMySQL](/develop/dev-guide-sample-application-python-pymysql.md)
       - [SQLAlchemy](/develop/dev-guide-sample-application-python-sqlalchemy.md)
       - [peewee](/develop/dev-guide-sample-application-python-peewee.md)
-      - [Django](/develop/dev-guide-sample-application-python-django.md)
-    - Node.js
-      - [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)
   - Connect to TiDB
-    - GUI Database Tools
-      - [JetBrains DataGrip](/develop/dev-guide-gui-datagrip.md)
-      - [DBeaver](/develop/dev-guide-gui-dbeaver.md)
-      - [VS Code](/develop/dev-guide-gui-vscode-sqltools.md)
-      - [MySQL Workbench](/develop/dev-guide-gui-mysql-workbench.md)
-      - [Navicat](/develop/dev-guide-gui-navicat.md)
     - [Choose Driver or ORM](/develop/dev-guide-choose-driver-or-orm.md)
     - [Connect to TiDB](/develop/dev-guide-connect-to-tidb.md)
     - [Connection Pools and Connection Parameters](/develop/dev-guide-connection-parameters.md)
@@ -103,6 +85,8 @@
     - Guidelines
       - [Object Naming Convention](/develop/dev-guide-object-naming-guidelines.md)
       - [SQL Development Specifications](/develop/dev-guide-sql-development-specification.md)
+    - Legacy Docs
+      - [For Django](/develop/dev-guide-outdated-for-django.md)
   - Cloud Native Development Environment
     - [Gitpod](/develop/dev-guide-playground-gitpod.md)
   - Third-Party Support
@@ -132,11 +116,10 @@
 - Migrate
   - [Overview](/migration-overview.md)
   - [Migration Tools](/migration-tools.md)
-  - [Import Best Practices](/tidb-lightning/data-import-best-practices.md)
   - Migration Scenarios
     - [Migrate from Aurora](/migrate-aurora-to-tidb.md)
-    - [Migrate Small Datasets from MySQL](/migrate-small-mysql-to-tidb.md)
-    - [Migrate Large Datasets from MySQL](/migrate-large-mysql-to-tidb.md)
+    - [Migrate MySQL of Small Datasets](/migrate-small-mysql-to-tidb.md)
+    - [Migrate MySQL of Large Datasets](/migrate-large-mysql-to-tidb.md)
     - [Migrate and Merge MySQL Shards of Small Datasets](/migrate-small-mysql-shards-to-tidb.md)
     - [Migrate and Merge MySQL Shards of Large Datasets](/migrate-large-mysql-shards-to-tidb.md)
     - [Migrate from CSV Files](/migrate-from-csv-files-to-tidb.md)
@@ -159,7 +142,7 @@
     - [Use TiUP](/upgrade-tidb-using-tiup.md)
     - [Use TiDB Operator](https://docs.pingcap.com/tidb-in-kubernetes/stable/upgrade-a-tidb-cluster)
     - [TiDB Smooth Upgrade](/smooth-upgrade-tidb.md)
-    - [TiFlash Upgrade Guide](/tiflash-upgrade-guide.md)
+    - [TiFlash v6.2.0 Upgrade Guide](/tiflash-620-upgrade-guide.md)
   - Scale
     - [Use TiUP (Recommended)](/scale-tidb-using-tiup.md)
     - [Use TiDB Operator](https://docs.pingcap.com/tidb-in-kubernetes/stable/scale-a-tidb-cluster)
@@ -205,7 +188,6 @@
   - [Monitoring Framework Overview](/tidb-monitoring-framework.md)
   - [Monitoring API](/tidb-monitoring-api.md)
   - [Deploy Monitoring Services](/deploy-monitoring-services.md)
-  - [Upgrade Monitoring Services](/upgrade-monitoring-services.md)
   - [Export Grafana Snapshots](/exporting-grafana-snapshots.md)
   - [TiDB Cluster Alert Rules](/alert-rules.md)
   - [TiFlash Alert Rules](/tiflash/tiflash-alert-rules.md)
@@ -233,15 +215,12 @@
     - [Identify Expensive Queries Using Top SQL](/dashboard/top-sql.md)
     - [Identify Expensive Queries Using Logs](/identify-expensive-queries.md)
     - [Save and Restore the On-Site Information of a Cluster](/sql-plan-replayer.md)
-    - [Understanding Stale Read and safe-ts in TiKV](/troubleshoot-stale-read.md)
   - [Support Resources](/support.md)
 - Performance Tuning
   - Tuning Guide
     - [Performance Tuning Overview](/performance-tuning-overview.md)
     - [Performance Analysis and Tuning](/performance-tuning-methods.md)
     - [Performance Tuning Practices for OLTP Scenarios](/performance-tuning-practices.md)
-    - [TiFlash Performance Analysis Methods](/tiflash-performance-tuning-methods.md)
-    - [TiCDC Performance Analysis Methods](/ticdc-performance-tuning-methods.md)
     - [Latency Breakdown](/latency-breakdown.md)
     - [TiDB Best Practices on Public Cloud](/best-practices-on-public-cloud.md)
   - Configuration Tuning
@@ -290,7 +269,6 @@
         - [Wrong Index Solution](/wrong-index-solution.md)
         - [Distinct Optimization](/agg-distinct-optimization.md)
         - [Cost Model](/cost-model.md)
-        - [Runtime Filter](/runtime-filter.md)
       - [Prepared Execution Plan Cache](/sql-prepared-plan-cache.md)
       - [Non-Prepared Execution Plan Cache](/sql-non-prepared-plan-cache.md)
     - Control Execution Plans
@@ -554,14 +532,11 @@
       - Create Changefeeds
         - [Replicate Data to MySQL-compatible Databases](/ticdc/ticdc-sink-to-mysql.md)
         - [Replicate Data to Kafka](/ticdc/ticdc-sink-to-kafka.md)
-        - [Replicate Data to Pulsar](/ticdc/ticdc-sink-to-pulsar.md)
         - [Replicate Data to Storage Services](/ticdc/ticdc-sink-to-cloud-storage.md)
       - [Manage Changefeeds](/ticdc/ticdc-manage-changefeed.md)
       - [Log Filter](/ticdc/ticdc-filter.md)
-      - [DDL Replication](/ticdc/ticdc-ddl.md)
       - [Bidirectional Replication](/ticdc/ticdc-bidirectional-replication.md)
       - [Data Integrity Validation for Single-Row Data](/ticdc/ticdc-integrity-check.md)
-      - [Data Consistency Validation for TiDB Upstream/Downstream Clusters](/ticdc/ticdc-upstream-downstream-check.md)
     - Monitor and Alert
       - [Monitoring Metrics Summary](/ticdc/ticdc-summary-monitor.md)
       - [Monitoring Metrics Details](/ticdc/monitor-ticdc.md)
@@ -577,9 +552,7 @@
         - [TiCDC CSV Protocol](/ticdc/ticdc-csv.md)
       - [TiCDC Open API v2](/ticdc/ticdc-open-api-v2.md)
       - [TiCDC Open API v1](/ticdc/ticdc-open-api.md)
-      - TiCDC Data Consumption
-        - [TiCDC Row Data Checksum Verification Based on Avro](/ticdc/ticdc-avro-checksum-verification.md)
-        - [Guide for Developing a Storage Sink Consumer](/ticdc/ticdc-storage-consumer-dev-guide.md)
+      - [Guide for Developing a Storage Sink Consumer](/ticdc/ticdc-storage-consumer-dev-guide.md)
       - [Compatibility](/ticdc/ticdc-compatibility.md)
     - [Troubleshoot](/ticdc/troubleshoot-ticdc.md)
     - [FAQs](/ticdc/ticdc-faq.md)
@@ -615,14 +588,14 @@
     - [Overview](/sync-diff-inspector/sync-diff-inspector-overview.md)
     - [Data Check for Tables with Different Schema/Table Names](/sync-diff-inspector/route-diff.md)
     - [Data Check in the Sharding Scenario](/sync-diff-inspector/shard-diff.md)
+    - [Data Check for TiDB Upstream/Downstream Clusters](/sync-diff-inspector/upstream-downstream-diff.md)
     - [Data Check in the DM Replication Scenario](/sync-diff-inspector/dm-diff.md)
 - Reference
   - Cluster Architecture
     - [Overview](/tidb-architecture.md)
     - [Storage](/tidb-storage.md)
     - [Computing](/tidb-computing.md)
     - [Scheduling](/tidb-scheduling.md)
-    - [TSO](/tso.md)
   - Storage Engine - TiKV
     - [TiKV Overview](/tikv-overview.md)
     - [RocksDB Overview](/storage-engine/rocksdb-overview.md)
@@ -712,7 +685,6 @@
       - [`ALTER INDEX`](/sql-statements/sql-statement-alter-index.md)
       - [`ALTER INSTANCE`](/sql-statements/sql-statement-alter-instance.md)
       - [`ALTER PLACEMENT POLICY`](/sql-statements/sql-statement-alter-placement-policy.md)
-      - [`ALTER RANGE`](/sql-statements/sql-statement-alter-range.md)
       - [`ALTER RESOURCE GROUP`](/sql-statements/sql-statement-alter-resource-group.md)
       - [`ALTER TABLE`](/sql-statements/sql-statement-alter-table.md)
       - [`ALTER TABLE COMPACT`](/sql-statements/sql-statement-alter-table-compact.md)
@@ -727,7 +699,7 @@
       - [`COMMIT`](/sql-statements/sql-statement-commit.md)
       - [`CHANGE DRAINER`](/sql-statements/sql-statement-change-drainer.md)
       - [`CHANGE PUMP`](/sql-statements/sql-statement-change-pump.md)
-      - [`CREATE BINDING`](/sql-statements/sql-statement-create-binding.md)
+      - [`CREATE [GLOBAL|SESSION] BINDING`](/sql-statements/sql-statement-create-binding.md)
       - [`CREATE DATABASE`](/sql-statements/sql-statement-create-database.md)
       - [`CREATE INDEX`](/sql-statements/sql-statement-create-index.md)
       - [`CREATE PLACEMENT POLICY`](/sql-statements/sql-statement-create-placement-policy.md)
@@ -743,7 +715,7 @@
       - [`DESC`](/sql-statements/sql-statement-desc.md)
       - [`DESCRIBE`](/sql-statements/sql-statement-describe.md)
       - [`DO`](/sql-statements/sql-statement-do.md)
-      - [`DROP BINDING`](/sql-statements/sql-statement-drop-binding.md)
+      - [`DROP [GLOBAL|SESSION] BINDING`](/sql-statements/sql-statement-drop-binding.md)
       - [`DROP COLUMN`](/sql-statements/sql-statement-drop-column.md)
       - [`DROP DATABASE`](/sql-statements/sql-statement-drop-database.md)
       - [`DROP INDEX`](/sql-statements/sql-statement-drop-index.md)
@@ -768,14 +740,13 @@
       - [`GRANT <role>`](/sql-statements/sql-statement-grant-role.md)
       - [`IMPORT INTO`](/sql-statements/sql-statement-import-into.md)
       - [`INSERT`](/sql-statements/sql-statement-insert.md)
-      - [`KILL`](/sql-statements/sql-statement-kill.md)
+      - [`KILL [TIDB]`](/sql-statements/sql-statement-kill.md)
       - [`LOAD DATA`](/sql-statements/sql-statement-load-data.md)
       - [`LOAD STATS`](/sql-statements/sql-statement-load-stats.md)
       - [`LOCK STATS`](/sql-statements/sql-statement-lock-stats.md)
-      - [`[LOCK|UNLOCK] TABLES`](/sql-statements/sql-statement-lock-tables-and-unlock-tables.md)
+      - [`LOCK TABLES` and `UNLOCK TABLES`](/sql-statements/sql-statement-lock-tables-and-unlock-tables.md)
       - [`MODIFY COLUMN`](/sql-statements/sql-statement-modify-column.md)
       - [`PREPARE`](/sql-statements/sql-statement-prepare.md)
-      - [`QUERY WATCH`](/sql-statements/sql-statement-query-watch.md)
       - [`RECOVER TABLE`](/sql-statements/sql-statement-recover-table.md)
       - [`RENAME USER`](/sql-statements/sql-statement-rename-user.md)
       - [`RENAME INDEX`](/sql-statements/sql-statement-rename-index.md)
@@ -793,14 +764,14 @@
       - [`SET RESOURCE GROUP`](/sql-statements/sql-statement-set-resource-group.md)
       - [`SET ROLE`](/sql-statements/sql-statement-set-role.md)
       - [`SET TRANSACTION`](/sql-statements/sql-statement-set-transaction.md)
-      - [`SET <variable>`](/sql-statements/sql-statement-set-variable.md)
+      - [`SET [GLOBAL|SESSION] <variable>`](/sql-statements/sql-statement-set-variable.md)
       - [`SHOW ANALYZE STATUS`](/sql-statements/sql-statement-show-analyze-status.md)
       - [`SHOW [BACKUPS|RESTORES]`](/sql-statements/sql-statement-show-backups.md)
-      - [`SHOW BINDINGS`](/sql-statements/sql-statement-show-bindings.md)
+      - [`SHOW [GLOBAL|SESSION] BINDINGS`](/sql-statements/sql-statement-show-bindings.md)
       - [`SHOW BUILTINS`](/sql-statements/sql-statement-show-builtins.md)
       - [`SHOW CHARACTER SET`](/sql-statements/sql-statement-show-character-set.md)
       - [`SHOW COLLATION`](/sql-statements/sql-statement-show-collation.md)
-      - [`SHOW COLUMNS FROM`](/sql-statements/sql-statement-show-columns-from.md)
+      - [`SHOW [FULL] COLUMNS FROM`](/sql-statements/sql-statement-show-columns-from.md)
       - [`SHOW CONFIG`](/sql-statements/sql-statement-show-config.md)
       - [`SHOW CREATE DATABASE`](/sql-statements/sql-statement-show-create-database.md)
       - [`SHOW CREATE PLACEMENT POLICY`](/sql-statements/sql-statement-show-create-placement-policy.md)
@@ -812,17 +783,19 @@
       - [`SHOW DRAINER STATUS`](/sql-statements/sql-statement-show-drainer-status.md)
       - [`SHOW ENGINES`](/sql-statements/sql-statement-show-engines.md)
       - [`SHOW ERRORS`](/sql-statements/sql-statement-show-errors.md)
-      - [`SHOW FIELDS FROM`](/sql-statements/sql-statement-show-fields-from.md)
+      - [`SHOW [FULL] 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 INDEXES`](/sql-statements/sql-statement-show-indexes.md)
+      - [`SHOW INDEX [FROM|IN]`](/sql-statements/sql-statement-show-index.md)
+      - [`SHOW INDEXES [FROM|IN]`](/sql-statements/sql-statement-show-indexes.md)
+      - [`SHOW KEYS [FROM|IN]`](/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)
       - [`SHOW PLACEMENT LABELS`](/sql-statements/sql-statement-show-placement-labels.md)
       - [`SHOW PLUGINS`](/sql-statements/sql-statement-show-plugins.md)
       - [`SHOW PRIVILEGES`](/sql-statements/sql-statement-show-privileges.md)
-      - [`SHOW PROCESSSLIST`](/sql-statements/sql-statement-show-processlist.md)
+      - [`SHOW [FULL] PROCESSSLIST`](/sql-statements/sql-statement-show-processlist.md)
       - [`SHOW PROFILES`](/sql-statements/sql-statement-show-profiles.md)
       - [`SHOW PUMP STATUS`](/sql-statements/sql-statement-show-pump-status.md)
       - [`SHOW SCHEMAS`](/sql-statements/sql-statement-show-schemas.md)
@@ -834,8 +807,8 @@
       - [`SHOW TABLE NEXT_ROW_ID`](/sql-statements/sql-statement-show-table-next-rowid.md)
       - [`SHOW TABLE REGIONS`](/sql-statements/sql-statement-show-table-regions.md)
       - [`SHOW TABLE STATUS`](/sql-statements/sql-statement-show-table-status.md)
-      - [`SHOW TABLES`](/sql-statements/sql-statement-show-tables.md)
-      - [`SHOW VARIABLES`](/sql-statements/sql-statement-show-variables.md)
+      - [`SHOW [FULL] TABLES`](/sql-statements/sql-statement-show-tables.md)
+      - [`SHOW [GLOBAL|SESSION] VARIABLES`](/sql-statements/sql-statement-show-variables.md)
       - [`SHOW WARNINGS`](/sql-statements/sql-statement-show-warnings.md)
       - [`SHUTDOWN`](/sql-statements/sql-statement-shutdown.md)
       - [`SPLIT REGION`](/sql-statements/sql-statement-split-region.md)
@@ -869,7 +842,6 @@
       - [Information Functions](/functions-and-operators/information-functions.md)
       - [JSON Functions](/functions-and-operators/json-functions.md)
       - [Aggregate (GROUP BY) Functions](/functions-and-operators/aggregate-group-by-functions.md)
-      - [GROUP BY Modifiers](/functions-and-operators/group-by-modifier.md)
       - [Window Functions](/functions-and-operators/window-functions.md)
       - [Miscellaneous Functions](/functions-and-operators/miscellaneous-functions.md)
       - [Precision Math](/functions-and-operators/precision-math.md)
@@ -902,7 +874,6 @@
       - INFORMATION_SCHEMA
         - [Overview](/information-schema/information-schema.md)
         - [`ANALYZE_STATUS`](/information-schema/information-schema-analyze-status.md)
-        - [`CHECK_CONSTRAINTS`](/information-schema/information-schema-check-constraints.md)
         - [`CLIENT_ERRORS_SUMMARY_BY_HOST`](/information-schema/client-errors-summary-by-host.md)
         - [`CLIENT_ERRORS_SUMMARY_BY_USER`](/information-schema/client-errors-summary-by-user.md)
         - [`CLIENT_ERRORS_SUMMARY_GLOBAL`](/information-schema/client-errors-summary-global.md)
@@ -933,7 +904,6 @@
         - [`PROCESSLIST`](/information-schema/information-schema-processlist.md)
         - [`REFERENTIAL_CONSTRAINTS`](/information-schema/information-schema-referential-constraints.md)
         - [`RESOURCE_GROUPS`](/information-schema/information-schema-resource-groups.md)
-        - [`RUNAWAY_WATCHES`](/information-schema/information-schema-runaway-watches.md)
         - [`SCHEMATA`](/information-schema/information-schema-schemata.md)
         - [`SEQUENCES`](/information-schema/information-schema-sequences.md)
         - [`SESSION_VARIABLES`](/information-schema/information-schema-session-variables.md)
@@ -958,9 +928,6 @@
         - [`VARIABLES_INFO`](/information-schema/information-schema-variables-info.md)
         - [`VIEWS`](/information-schema/information-schema-views.md)
       - [`METRICS_SCHEMA`](/metrics-schema.md)
-      - PERFORMANCE_SCHEMA
-        - [Overview](/performance-schema/performance-schema.md)
-        - [`SESSION_CONNECT_ATTRS`](/performance-schema/performance-schema-session-connect-attrs.md)
     - [Metadata Lock](/metadata-lock.md)
   - UI
     - TiDB Dashboard
@@ -995,13 +962,11 @@
         - [Configure SSO](/dashboard/dashboard-session-sso.md)
       - [FAQ](/dashboard/dashboard-faq.md)
   - [Telemetry](/telemetry.md)
-  - [Error Codes](/error-codes.md)
+  - [Errors Codes](/error-codes.md)
   - [Table Filter](/table-filter.md)
   - [Schedule Replicas by Topology Labels](/schedule-replicas-by-topology-labels.md)
-  - [URI Formats of External Storage Services](/external-storage-uri.md)
   - Internal Components
     - [TiDB Backend Task Distributed Execution Framework](/tidb-distributed-execution-framework.md)
-    - [TiDB Global Sort](/tidb-global-sort.md)
 - FAQs
   - [FAQ Summary](/faq/faq-overview.md)
   - [TiDB FAQs](/faq/tidb-faq.md)
@@ -1019,23 +984,15 @@
   - [Release Timeline](/releases/release-timeline.md)
   - [TiDB Versioning](/releases/versioning.md)
   - [TiDB Installation Packages](/binary-package.md)
-  - v7.4
-    - [7.4.0-DMR](/releases/release-7.4.0.md)
-  - v7.3
-    - [7.3.0-DMR](/releases/release-7.3.0.md)
   - v7.2
     - [7.2.0-DMR](/releases/release-7.2.0.md)
   - v7.1
-    - [7.1.2](/releases/release-7.1.2.md)
-    - [7.1.1](/releases/release-7.1.1.md)
     - [7.1.0](/releases/release-7.1.0.md)
   - v7.0
     - [7.0.0-DMR](/releases/release-7.0.0.md)
   - v6.6
     - [6.6.0-DMR](/releases/release-6.6.0.md)
   - v6.5
-    - [6.5.5](/releases/release-6.5.5.md)
-    - [6.5.4](/releases/release-6.5.4.md)
     - [6.5.3](/releases/release-6.5.3.md)
     - [6.5.2](/releases/release-6.5.2.md)
     - [6.5.1](/releases/release-6.5.1.md)
@@ -1047,7 +1004,6 @@
   - v6.2
     - [6.2.0-DMR](/releases/release-6.2.0.md)
   - v6.1
-    - [6.1.7](/releases/release-6.1.7.md)
     - [6.1.6](/releases/release-6.1.6.md)
     - [6.1.5](/releases/release-6.1.5.md)
     - [6.1.4](/releases/release-6.1.4.md)