QUERYING INFORMATION_SCHEMA.COLUMNS & INFORMATION_SCHEMA.TABLES IN Mysql.

Hi All,
 can anyone help me on how to Create a query against information_schema.columns and information_schema.tables, I'm looking for all instances of column_name like ‘%city%id%’ and data_type in (‘char’,’varchar’).  I want to join information_schema.tables and use filter by table_type = ‘base table’.  I'm not sure if I should use ‘distinct’ in order to eliminate dupes. Thanks
RotebergAsked:
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Ryan ChongBusiness Systems Analyst , ex-Senior Application EngineerCommented:
try customize this:

select b.*
from information_schema.tables a
inner join information_schema.columns b
on a.Table_Name = b.Table_Name
where a.table_type = 'BASE TABLE' and 
(b.Column_Type like 'char%' or b.Column_Type like 'varchar%') and
(b.Column_Name like '%city%' or b.Column_Name like '%id%')

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Ryan ChongBusiness Systems Analyst , ex-Senior Application EngineerCommented:
or:

select b.*
from information_schema.tables a
inner join information_schema.columns b
on a.Table_Name = b.Table_Name
where a.table_type = 'BASE TABLE' and 
(b.Column_Type like 'char%' or b.Column_Type like 'varchar%') and
b.Column_Name like '%city%id%'

Open in new window

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MySQL Server

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