Problem in creating table through plugin code

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I’m using the following code to create the database table using plugin.
However, the table is neither getting created nor I’m getting any error message.
The code is as follows: 

    global $wpdb;
    $table_name = "tbllb_club";

    $sql = "create table $table_name (
    club_id int(11) NOT NULL auto_increment,
    project_name varchar(500) NOT NULL,
    first_name varchar(100) NOT NULL,
    school_status varchar(50) NOT NULL,
    school_name varchar(200) NOT NULL,
    school_city varchar(50) NOT NULL,
    school_state varchar(50) NOT NULL,
    year_in_school varchar(50) NOT NULL,
    age int(2) NOT NULL,
    email varchar(200) NOT NULL,
    mobile varchar(15) NOT NULL,
    chat_id  varchar(50) NOT NULL,
    facebook_page_link varchar(200) NOT NULL,
    mailing_address_street varchar(50) NOT NULL,
    mailing_address_city varchar(50) NOT NULL,
    mailing_address_state varchar(50) NOT NULL,
    mailing_address_zip char(6) NOT NULL,
    social_networking varchar(50) NOT NULL,
    organization_involvement varchar(2000) NOT NULL,
    yesclub_heard varchar(50) NOT NULL,
    volunteer_experience varchar(2000) NOT NULL,
    volunteer_reason varchar(2000) NOT NULL,
    skills varchar(2000) NOT NULL,
    creative_ideas varchar(5000) NOT NULL,
    other_information varchar(2000) NOT NULL,
    face_photo_url varchar(200),
    school_image_url varchar(200),
    video_clip_url varchar(200),
    PRIMARY KEY  (club_id)
    );";

    require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
    dbDelta($sql);

I have followed the rules as mentioned the WordPress Codex.
Please help!!
Thanks in advance.

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1 comment

  1. The above code should be placed in a function and then hook that with plugin activation hook? Here’s sample structure of plugin-name.php file.

    Note –

    • Use CREATE TABLE IF NOT EXISTS instead only create table

    Code Updated on – 2012-08-04 

    <?php // this code goes into your my_plugin_name.php file

function install_my_plugin() {

    global $wpdb;
    $table_name = "tbllb_club";

    //the SQL commands to create table
    $sql = "SQL_QUERY_1";
    $sql .= "SQL_QUERY_2";

    //this stuff is needed to create the table in MySQL database
    require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
    dbDelta($sql);

    //optional 
    add_option("my_plugin_version", "1.0");
}

//lets get it hooked to plugin activation
register_activation_hook(__FILE__,'install_my_plugin');

?>

    Reference –

    • Register activation hook – Use this to do some action when plugin is activated, In this case we’r calling install_my_plugin() function to create table.