From 8bfc88537078758873e01bc1b8bff5ee17748067 Mon Sep 17 00:00:00 2001
From: xking <git@x47.cn>
Date: Tue, 4 Feb 2025 23:51:44 +0800
Subject: [PATCH] =?UTF-8?q?add=20edb=20=E8=A1=A8=E5=A4=A7=E5=B0=8F?=
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---
 postgresql_and_edb/edb表空间查询.md | 27 ++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 postgresql_and_edb/edb表空间查询.md

diff --git a/postgresql_and_edb/edb表空间查询.md b/postgresql_and_edb/edb表空间查询.md
new file mode 100644
index 0000000..40e2b39
--- /dev/null
+++ b/postgresql_and_edb/edb表空间查询.md
@@ -0,0 +1,27 @@
+```sql
+SELECT nspname || '.' || relname AS "relation",
+               pg_size_pretty(pg_total_relation_size(C.oid)) AS "total_size"
+        FROM pg_class C
+        LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
+        WHERE nspname NOT IN ('pg_catalog', 'information_schema')
+        AND C.relkind = 'r'
+        ORDER BY pg_total_relation_size(C.oid) DESC;
+```
+
+
+
+
+
+
+
+```sql
+ SELECT schemaname || '.' || relname AS "relation",
+               pg_size_pretty(pg_total_relation_size(relid)) AS "total_size",
+               pg_size_pretty(pg_table_size(relid) - pg_indexes_size(relid)) AS "table_size",
+               pg_size_pretty(pg_indexes_size(relid)) AS "index_size",
+               n_dead_tup
+        FROM pg_stat_user_tables
+        WHERE n_dead_tup > 0
+        ORDER BY n_dead_tup DESC;
+```
+