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Pulling from Multiple tables in a database

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14 years 2 months ago #734

Hi, no this doesn't do it. I want to get a value from a user using a simple textbox then plug that value into the WHERE clause BEFORE the grid is populated. In other words, Dynamic SQL.

Any idea if/when you would do this (if at all)

I also see issues with using substring and other functions as well as renaming display columns using the tool (results in no data).

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  • Terry
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13 years 7 months ago #987

No problem making the SQL code. Here's a query that does exactly what I want it to do.

SELECT jos_fastball_schedule.id, description, jos_fastball_team.name, gamedatetime, field
FROM jos_fastball_schedule
INNER JOIN jos_fastball_team ON hometeam = jos_fastball_team.id
INNER JOIN jos_fastball_location ON location = jos_fastball_location.id
INNER JOIN jos_fastball_gametype ON gametype = jos_fastball_gametype.id
ORDER BY gamedatetime DESC

So how the heck do incorporate it in TABLE JX????

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13 years 7 months ago #989

Create view with:

CREATE VIEW MyView AS
SELECT jos_fastball_schedule.id, description, jos_fastball_team.name, gamedatetime, field
FROM jos_fastball_schedule
INNER JOIN jos_fastball_team ON hometeam = jos_fastball_team.id
INNER JOIN jos_fastball_location ON location = jos_fastball_location.id
INNER JOIN jos_fastball_gametype ON gametype = jos_fastball_gametype.id
ORDER BY gamedatetime DESC

Than use MyView with Table JX

dev.mysql.com/doc/refman/5.0/en/create-view.html

Regards,
Tomaž

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  • jonas
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13 years 4 months ago #1128

Hi,

I take it that creating a view is a one time event. But what if my data changes periodically and I need to update the view accordingly?

Regards,

Jonas

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13 years 4 months ago #1129

There is no need to worry about it. Every time you call a view the data from original tables is pulled.

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  • jonas
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13 years 4 months ago #1136

Thank you Tomaz,

Will try it out.

Regards,

Jonas

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