postgres.rst
changeset 2330 03d20db65d79
parent 2329 738316fb865f
child 2331 32dd4ce8e9b2
equal deleted inserted replaced
2329:738316fb865f 2330:03d20db65d79
    80 Change password
    80 Change password
    81 ===============
    81 ===============
    82 ::
    82 ::
    83 
    83 
    84    ALTER USER me WITH PASSWORD 'PassWord';
    84    ALTER USER me WITH PASSWORD 'PassWord';
       
    85 
       
    86 Monitor connections
       
    87 ===================
       
    88 ::
       
    89 
       
    90    select * from pg_stat_activity;
    85 
    91 
    86 List databases, schemas and tables
    92 List databases, schemas and tables
    87 ==================================
    93 ==================================
    88 
    94 
    89 Default database is ``postgres``.
    95 Default database is ``postgres``.
   178     i.relname
   184     i.relname
   179   order by
   185   order by
   180     t.relname,
   186     t.relname,
   181     i.relname;
   187     i.relname;
   182 
   188 
       
   189 List index usage::
       
   190 
       
   191   SELECT * FROM pg_stat_all_indexes;
       
   192   SELECT * FROM pg_stat_all_tables;
       
   193   SELECT * FROM pg_stat_user_indexes;
       
   194   SELECT * FROM pg_stat_user_tables;
       
   195 
       
   196 List constraints::
       
   197 
       
   198   SELECT * FROM pg_constraint;
       
   199   SELECT * FROM pg_constraint WHERE conrelid = (SELECT oid FROM pg_class WHERE relname LIKE 'tblName');
       
   200 
       
   201 https://www.postgresql.org/docs/current/catalog-pg-constraint.html
       
   202   pg_constraint.
       
   203 
   183 List functions::
   204 List functions::
   184 
   205 
   185   \df
   206   \df
   186 
   207 
   187 List triggers::
   208 List triggers::