SHOW TABLES lists tables in a db
DESCRIBE tablename (= SHOW CREATE TABLE tablename) outputs column info, but your application will have to parse it.
EXPLAIN is for query optimisation analysis, not table column listings.
The manual's pretty clear on these topics.
PB
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Dave Merrill wrote:
Hi, mysql newb here, coming mostly from ms sql server.
I'm wondering how to find out basic info (type, str length, column name if getting all cols from a list of tables, etc), about a set of columns from a number of different tables. I'm also interested in getting a list of the tables in a db.
SQL Server has a pair of views (information_schema.tables and information_schema.columns) that were useful for this kind of thing. Since they're normal views, you can restrict the tables or cols found by table, column, type, etc, and retrieve only the info you want about them; anything that works in a std query works here.
The only way I know of to get this kind of metadata from mysql is explain, which appears to only return a fixed set of info about all the columns in a single table. Is there any way to get:
- A list of tables in a db - Column info for more than one table at once - Only certain info about these cols (name and type only, say)
Thanks,
Dave Merrill
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