You should be able to just runselect * from information_schema.tablesto get a listing of every table being managed by Postgres for a particular database. You can also add awhere table_schema = 'information_schema'to see just the tables in the information schema. The viewpg_tablesprovides a...
postgres=# create tabletpart_hash(a int primary key,b text)partition byhash(a)configuration(modulus5);CREATETABLEpostgres=# \d+tpart_hash Partitioned table"public.tpart_hash"Column|Type|Collation|Nullable|Default|Storage|Stats target|Description---+---+---+---+---+---+---+---a|integ...
drop table customers; CREATE TABLE customers (id INTEGER, status TEXT, arr NUMERIC) PARTITION BY LIST(status); -- 子表1 CREATE TABLE cust_active PARTITION OF customers FOR VALUES IN ('ACTIVE','RECURRING','REACTIVATED') PARTITION BY RANGE(arr); CREATE TABLE cust_arr_small PARTITION OF cust...
Retrieve the list of databases in PostgreSQL with the query below: Copy 1 SELECT * 2 FROM pg_catalog.pg_database; The result will be: Note the list of databases in the datname column The datname column stores the name of each database. In particular, below is a summary table with ...
postgres=#CREATETABLEcities ( city_idbigintnotnull, name textnotnull, populationbigint)PARTITIONBYLIST (name);CREATETABLEcities_1PARTITIONOFcitiesFORVALUESIN('A');CREATETABLEcities_2PARTITIONOFcitiesFORVALUESIN('B');CREATETABLEcities_3PARTITIONOFcitiesFORVALUESIN('C');CREATETABLEcities_4PARTITIONOFciti...
postgres=# CREATE TABLE cities ( city_id bigint not null, name text not null, population bigint ) PARTITION BY LIST (name); CREATE TABLE cities_1 PARTITION OF cities FOR VALUES IN ('A'); CREATE TABLE cities_2 PARTITION OF cities FOR VALUES IN ('B'); ...
How to list all columns in PostgreSQL? 1. Using SQL query Using query editor, run this query to show all columns with details: SELECT * FROM information_schema.columns WHERE table_schema = 'schema_name' AND table_name = 'table_name'; ...
Type in it and press Enter to log into the server. List all the users with: \du This command will produce a table containing the users in the PostgreSQL server: The table returned by the "\du" command. Use \du+ to get additional information about each user, such as their description:...
Show Tables in PostgreSQL Conclusion SQL Show Tables Sometimes you need to get a list of tables from your database. This could be to help with testing, to see what tables exist before youcreate a tableor remove one, or some other reason. ...
If you set a relevant column in permission_target to NULL (e.g., the object_name and column_name columns in a TABLE entry), the meaning is that the entry refers to all possible objects (in the example above, all tables in the schema). ...