https://ronaldbradford.com/tags/information_schema/ Recent content in Information_schema on Enterprise Data Architect | Principal Data Strategist | MySQL Subject Matter Expert | Author | Speaker Hugo -- gohugo.io en-us Fri, 25 Sep 2009 05:06:15 +0000 https://ronaldbradford.com/blog/calculating-your-database-size-2009-09-25/ Fri, 25 Sep 2009 05:06:15 +0000 https://ronaldbradford.com/blog/calculating-your-database-size-2009-09-25/ I generally use the following MySQL INFORMATION_SCHEMA (I_S) query to Calculate Your MySQL Database Size . This query and most others that access the MySQL INFORMATION_SCHEMA can be very slow to execute because they are not real tables and are not governed by physical data, memory buffers and indexes for example but rather internal MySQL data structures. https://ronaldbradford.com/blog/find-storage-engine-of-mysql-table-2009-09-17/ Thu, 17 Sep 2009 18:14:22 +0000 https://ronaldbradford.com/blog/find-storage-engine-of-mysql-table-2009-09-17/ This seems quite a trivial question, but developers don’t often know what a MySQL storage engine is and how to determine what storage engine is used for a table. The first choice is to describe the table with the DESC[RIBE] command. https://ronaldbradford.com/blog/mysql_information_schema-table_rows-out-by-a-factor-of-100x-2009-09-09/ Wed, 09 Sep 2009 21:21:41 +0000 https://ronaldbradford.com/blog/mysql_information_schema-table_rows-out-by-a-factor-of-100x-2009-09-09/ I’ve always believed that the MySQL Information_schema.tables.table_rows figure for Innodb tables to be while approximate, approximately accurate. Today I found that the figures varied on one table from 10x to 100x wrong.