Add List Database Objects With Disk Usage as a postgres til

README.md

@@ -7,7 +7,7 @@ variety of languages and technologies. These are things that don't really
 warrant a full blog post. These are mostly things I learn by pairing with
 smart people at [Hashrocket](http://hashrocket.com/).
 
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+_410 TILs and counting..._
 
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@@ -213,6 +213,7 @@ _409 TILs and counting..._
 - [List All Versions Of A Function](postgres/list-all-versions-of-a-function.md)
 - [List Available Schemas](postgres/list-available-schemas.md)
 - [List Connections To A Database](postgres/list-connections-to-a-database.md)
+- [List Database Objects With Disk Usage](postgres/list-database-objects-with-disk-usage.md)
 - [List Database Users](postgres/list-database-users.md)
 - [List Various Kinds Of Objects](postgres/list-various-kinds-of-objects.md)
 - [Lower Is Faster Than ilike](postgres/lower-is-faster-than-ilike.md)

postgres/list-database-objects-with-disk-usage.md

@@ -0,0 +1,25 @@
+# List Database Objects With Disk Usage
+
+I'll often times use `\d` or `\dt` to check out the tables in my database.
+This shows the schema, object name, object type (e.g. `table`), and owner
+for each.
+
+By adding the `+` to that meta-command, I can also see the disk usage for
+each database object.
+
+Here is an example of look at all tables in a database with the additional
+`Size` (or disk usage) information:
+
+```sql
+> \dt+
+                              List of relations
+ Schema |        Name        | Type  |   Owner    |    Size    | Description
+--------+--------------------+-------+------------+------------+-------------
+ public | amount_types       | table | jbranchaud | 16 kB      |
+ public | ingredient_amounts | table | jbranchaud | 8192 bytes |
+ public | ingredient_types   | table | jbranchaud | 16 kB      |
+ public | ingredients        | table | jbranchaud | 48 kB      |
+ public | recipes            | table | jbranchaud | 16 kB      |
+ public | schema_migrations  | table | jbranchaud | 16 kB      |
+ public | users              | table | jbranchaud | 16 kB      |
+```