queries sql code example

Example 1: css in sql query

SELECT  'test1' AS [@class]
    , ( SELECT  'test2' as [@class]
        , (SELECT 'Name' FOR XML PATH(''))
        FOR XML PATH('td'), type)
    ,(SELECT  'test3' as [@class]
        , (SELECT 'Value' FOR XML PATH(''))
        FOR XML PATH('td'), type) 
FOR XML PATH('tr'), type

Example 2: sql queries

sql queries

Example 3: Database Queries

ALTER TABLE table_name ADD column_name datatype;

Example 4: sql query

$meta_query_args = array(
    'relation' => 'OR', // Optional, defaults to "AND"
    array(
        'key'     => '_my_custom_key',
        'value'   => 'Value I am looking for',
        'compare' => '='
    ),
    array(
        'relation' => 'AND',
        array(
            'key'     => '_my_custom_key_2',
            'value'   => 'Value I am looking for 2',
            'compare' => '='
        ),
        array(
            'key'     => '_my_custom_key_3',
            'value'   => 'Value I am looking for 3',
            'compare' => '='
        )
    )
);
$meta_query = new WP_Meta_Query( $meta_query_args );