Remove duplicate docs for SHOW INDEX, SHOW KEYS infavor of SHOW INDEXES (#16093)

TOC.md

@@ -810,9 +810,7 @@
       - [`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 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)

sql-statements/sql-statement-drop-index.md

@@ -102,7 +102,7 @@ Query OK, 0 rows affected (0.30 sec)
 
 ## 另请参阅
 
-* [SHOW INDEX](/sql-statements/sql-statement-show-index.md)
+* [SHOW INDEXS](/sql-statements/sql-statement-show-indexes.md)
 * [CREATE INDEX](/sql-statements/sql-statement-create-index.md)
 * [ADD INDEX](/sql-statements/sql-statement-add-index.md)
 * [RENAME INDEX](/sql-statements/sql-statement-rename-index.md)

sql-statements/sql-statement-rename-index.md

@@ -84,5 +84,5 @@ Create Table: CREATE TABLE `t1` (
 * [SHOW CREATE TABLE](/sql-statements/sql-statement-show-create-table.md)
 * [CREATE INDEX](/sql-statements/sql-statement-create-index.md)
 * [DROP INDEX](/sql-statements/sql-statement-drop-index.md)
-* [SHOW INDEX](/sql-statements/sql-statement-show-index.md)
+* [SHOW INDEXES](/sql-statements/sql-statement-show-indexes.md)
 * [ALTER INDEX](/sql-statements/sql-statement-alter-index.md)

sql-statements/sql-statement-show-indexes.md

@@ -1,6 +1,7 @@
 ---
 title: SHOW INDEXES [FROM|IN]
 summary: TiDB 数据库中 SHOW INDEXES [FROM|IN] 的使用概况。
+aliases: ['/zh/tidb/v7.3/sql-statement-show-index/','/zh/tidb/v7.3/sql-statement-show-keys/']
 ---
 
 # SHOW INDEXES [FROM|IN]