Re: documenting tables version control
Try this query and see if it fulfills your needs. Adjust the WHERE clause as needed.
SELECT
table_catalog as database,
table_schema as schema,
table_name as table,
column_name as column,
ordinal_position as position,
column_default as default,
is_nullable,
data_type as type,
character_maximum_length as max_length
FROM information_schema.columns
WHERE table_name LIKE 'T%'
ORDER BY table_catalog,
table_schema,
table_name,
ordinal_position;
SELECT
table_catalog as database,
table_schema as schema,
table_name as table,
column_name as column,
ordinal_position as position,
column_default as default,
is_nullable,
data_type as type,
character_maximum_length as max_length
FROM information_schema.columns
WHERE table_name LIKE 'T%'
ORDER BY table_catalog,
table_schema,
table_name,
ordinal_position;
On Tue, May 5, 2015 at 4:28 PM, Joshua D. Drake <jd@commandprompt.com> wrote:
On 05/05/2015 01:13 PM, Suresh Raja wrote:Hi All:
I have tables with different versions in the same schema. Like
T1a, T1b, T1c
T2a, T2b, T2c, T2d
....
...
etc.
I'm interested in documenting various version of tables, may be in excel
sheet or may be in another schema in the database. I would like to
store information on table name, column names, column order, pry key
column etc. Also is there a way I can reverse engineer from the
database itself.
Let me know if anybody any suggestion or format that they used. I
appreciate all your help and shall be suitably acknowledged.
Take a look at sqitch.
JD
Thanks,
-Suresh Raja
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