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    1. POOptimising very slow MySQL queries or tables on heavy traffic website
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    1. This table or related slice is empty.
    1. COIt worked for me and it gave me the desired results. But I still feel that there may be a better Symfony-friendly way to do this (a form validation group perhaps). I just haven't found it yet. Hoping someone with more Symfony experience has an alternative solution to share with us.
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    2. COWill have to check the health status of the disks with our host. The MySQL servers are located on other machines in the cloud server environment so the potential latency for remote database requests can't be helping either. I'm not familiar with gunzip. Is this part of the database import/exporting process? I can see how a compression problem could have an effect on the load-balanced MySQL servers. If the compression fails or it takes too long to prepare the data for cloning to the other database servers then the tables in question will stay locked for longer and cause timeouts.
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    3. COThe idea behind the `'group_by' => 'clientName'` option is this: the ObjectChoiceList on line 120 class will use this object property (or class method) to group the objects. As I couldn't get the title of the Client directly from the join in the DQL I needed the `getClientName` method to return this value for me. Joining the related object in DQL should ensure that the related object has already been initialised and won't require a call to the DB for each entity in the collection. The `property` option should still be `group_by`. My examples will need altering to suit your environment.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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