Why this function not working for install database on plugin activation

WordPress register_activation_hook table creation not working
The plugin generated x characters of unexpected output, $wpdb not defined
Default Plugin Settings Not Writing to Database
How to check if tables in WordPress still exists after activations
Multiple instance of data in plugin custom database table on plugin activation
How to create multiple database tables on plugin activation?
database – multiple wordpress installations using same database – can they share plugin settings?
plugin code is pulling information from database in one instance and not in other. What is wrong?
“Master” WordPress Multisite – Database Sync
Better ads plugin has 500.000 entries in wp_postmeta
register_activation_hook in oop approach
Redirect to another page using contact form 7? [closed]
Can I create a table on my DB without creating a plugin?
WordPress : Explain Plugins & Theme string value in database
Is it necessary to auto delete my WP plugin database tables when users deactivate/delete my plugin?
Does deleting a Plugin via the WordPress admin ‘completely’ remove the code?
Creating a CSV with PHP inside the plugin directory
Run function on plugin activation before plugin is loaded
Plugins in WP_Options but not Active
after wordpress update to 3.5+ i get many errors in plugin wpdb::prepare()
Get plugin download URL from slug
How do i edit the plugin files in DataBase via phpMyAdmin?
WordPress as a data-store?
How to insert and call new data in wordpress website database through a plugin
Modify wp_installed_email / wp_new_blog_notification
Gathering and logging data from a plugin: how to do it without race conditions?
How to pass the API key to the client from the database? [closed]
WPDB: Update table
Issue running db create table query from static method
Problem of encoding characters (apostrophes) in my posts publications
Installing wordpress on a subdomain of an already existing static website
Separate database for a wordpress plugin
Is there a rule for wordpress plugins developers to not do any database changes upon update?
How to keep variable `$post` to using in another file
dbDelta not adding additional columns in plugin database update
A question about register_activation hook
Updating options into the wp database performance
plugin generated 751 characters of unexpected output during activation
Making my plugin create a page?
WordPress Plugins Don’t Automatically Update
Can plugin2 uninstall plugin1 at the very beginning of plugin2’s installation?
Ajax save data to database on document ready, no data being saved
Add some fileds to the wp_posts table
rewrite_rules() not applying rules on plugin activation only after permalinks menu is clicked
How to edit a published post?
What are the correct permissions so WP doesn’t ask for FTP credentials if installing plugin?
Best/Correct way to add an option to a category
Problem installing plugin: unexpected T_STRING, expecting T_FUNCTION
Plugin has added weird data in wp_options, set to autoload
register_activation_hook() not working as expected
Always get creating a new table with foreign key
How to do database for download stats?
What is the WordPress approach to custom data?
To perform the requested action, WordPress needs to access your web > server
How to create plugin/ page that reads from database
WooCommerce: after install hook
How retreive saved data from gravity forms in my template?
DB Query not working in Plugin
Assign all Post in Wp to a specific Category
Sub Plugin deactivation when Parent Plugin deactivate
Advanced WordPress plugin activation detection
External wpdb connections in different plugins on single page
WordPress unable to write files in the server
Storing The Data Collected by Ninja Forms into Another (custom) Database [closed]
Comment “like” problem – “users who like this” avatar linking to current user profile instead of “liker’s” profile
Where do plugin variables live in the db?
Programmatically install and activate child-theme
WordPress plugin boilerplate table create
Installing plug ins on a wordpress hosted site
Can’t Install/Upgrade Plugins Through WordPress
How to relate 3 wordpress components with each other (Create database relationships)
Creating a search form and displaying results
WordPress plugin: efficient way to store large data
Apparent errer when installing plugin
How can I store data from custom fields to custom tables?
Unable to install plugins
Plugin: connect to external database without showing password
How to access the WordPress DB from a plugin file
WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version [closed]
Activate a plugin via a SQL query
Storing Form data in a different database
Is this plugin safe to run?
Integrating Custom Database with WordPress
How to display results from a data table with an encrypted user id?
Plugin Add New Installer failing
My plugin does not install correctly if a previous version is still installed
Is there existing plugins to “Click-to-Launch” embedded Flash / SWF content?
How to add a custom form to a plugin’s setting page
update_option creates an option, which empties on a blog reload
Installing a Plugin ( Which is already manually uploaded )
More than one WordPress site using the same database – how to disable plugin for one site?
add_action for publish_post doesn’t work
All new plugins generating 311 chars of unexpected output?
Getting URL GET parameter with Code snippets and storing it in database?
How to make a Product page without ordering and database
Activation flow of a plugin in a multisite environment
How to get specific column data conditionally in database in WordPress?
Same Plugin tables between wordpress installations
How can I display selected content from a seperate database in an Activity style widget?
What database state changes happen after a post is manually “updated” with no changes?

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