59 lines
2.5 KiB
SQL
59 lines
2.5 KiB
SQL
-- Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; version 2 of the License.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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--
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-- View: schema_object_overview
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--
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-- Shows an overview of the types of objects within each schema
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--
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-- Note: On instances with a large number of objects, this could take
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-- some time to execute, and is not recommended.
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--
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-- mysql> select * from schema_object_overview;
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-- +---------------------------------+---------------+-------+
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-- | db | object_type | count |
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-- +---------------------------------+---------------+-------+
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-- | information_schema | SYSTEM VIEW | 59 |
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-- | mem30_test__instruments | BASE TABLE | 1 |
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-- | mem30_test__instruments | INDEX (BTREE) | 2 |
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-- | mem30_test__test | BASE TABLE | 9 |
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-- | mem30_test__test | INDEX (BTREE) | 19 |
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-- ...
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-- | sys | FUNCTION | 8 |
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-- | sys | PROCEDURE | 16 |
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-- | sys | VIEW | 59 |
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-- +---------------------------------+---------------+-------+
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--
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CREATE OR REPLACE
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ALGORITHM = TEMPTABLE
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DEFINER = 'mysql.sys'@'localhost'
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SQL SECURITY INVOKER
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VIEW schema_object_overview (
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db,
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object_type,
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count
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) AS
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SELECT ROUTINE_SCHEMA AS db, ROUTINE_TYPE AS object_type, COUNT(*) AS count FROM information_schema.routines GROUP BY ROUTINE_SCHEMA, ROUTINE_TYPE
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UNION
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SELECT TABLE_SCHEMA, TABLE_TYPE, COUNT(*) FROM information_schema.tables GROUP BY TABLE_SCHEMA, TABLE_TYPE
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UNION
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SELECT TABLE_SCHEMA, CONCAT('INDEX (', INDEX_TYPE, ')'), COUNT(*) FROM information_schema.statistics GROUP BY TABLE_SCHEMA, INDEX_TYPE
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UNION
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SELECT TRIGGER_SCHEMA, 'TRIGGER', COUNT(*) FROM information_schema.triggers GROUP BY TRIGGER_SCHEMA
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UNION
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SELECT EVENT_SCHEMA, 'EVENT', COUNT(*) FROM information_schema.events GROUP BY EVENT_SCHEMA
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ORDER BY DB, OBJECT_TYPE;
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