The wpdb class is the interface with the database. WP_Query uses wpdb to query the database. You should use WP_Query when dealing with the native WordPress tables, to integrate your code properly with the WordPress environment. Use wpdb directly when you need to access data in your own tables.
Related Posts:
- How to print the excuted sql right after its execution
- Pagination with custom SQL query
- Return only Count from a wp_query request?
- Is it true $wpdb->get_results is faster than WP_Query in most cases?
- Query causing load because of SQL_CALC_FOUND_ROWS post counting?
- Use WP_Query with a custom SQL query
- How to make an activities stream mixing posts and comments?
- How can I connect to another WP database and use WP_Query?
- Get number of comments after modifying comment query
- How to change a custom query into a standard loop?
- How to count data records in wordpress which have same meta_value in wp_postmeta table?
- Should close $wpdb via $wpdb->close()
- $wpdb->insert inserting two rows in database
- Get the Plugin Which Triggered a MySql Query in WordPress?
- How To Get Some Data From WordPress Database Using WordPress $wpdb Query?
- Detect featured image among the attached images
- How would I format a query that depends on post parent taxonomy
- Mysql query LIKE not working
- Select from wp_post and multiple meta_value from wp_postmeta
- Order by custom table and multiplication
- How to correctly pass values to wpdb->prepare()?
- $wpdb select date range of posts
- What’s the purpose / logic of split_the_query in WP_Query->get_posts
- WPDB query – decrypting DB data
- How to delete taxonomy term when a wordpress user is removed?
- Custom Query num_rows returns wrong amount
- Getting post revision and printing them on the post content site
- Filtering posts from different categories into different section by doing WP_Query only once
- Iterating through $wpdb query without using get_results for large query results
- Query with search and subscribers only output
- wp_Qwery works to slow
- How to query custom post types with mixed AND & OR statements for custom fields
- Query most popular terms by taxonomy over 2 week period
- Which is faster wpdb & get_row or wp_query & ge_post_meta?
- Custom query: Get all posts that are from a certain category?
- How to access custom WordPress database tables
- How to pass orderby params to $wpdb->prepare()?
- Ajax future single post query doesn’t work when NOT logged in
- Conditional sorting with variable using WP Query
- Is it safe to access the underlying mysqli object from \wpdb for custom queries?
- Make a SQL query with wpdb in WordPress
- WordPress query posts with multiple post_meta data
- List of ways to access WordPress database?
- Specify strict ‘order by’ in WordPress query
- Does WordPress have something like Drupal’s DB API?
- get_post() is not returning correct value
- Disable (or limit) queries when certain content (or data) is not needed (or showed)
- get_var is neither a string, integer, or array …?
- Use have_posts() with array of post results retrieved by $wpdb->get_results
- how to translate countries output from wp database?
- What’s wrong with this wpdb query?
- duplicated posts when using pagination
- Passing a SQL query to the WP Query
- Save queried result into database
- Any way to use FETCH_KEY_PAIR with $wpdb?
- Doing $wpdb->get_results returns NULL, doing the same query in my DB returns correct value
- How to get user avatar via WPDB
- In which file to use $wpdb and its functions for database operations and queries in wordpress?
- What argument does my function need to echo get_results() query results
- complex query question
- Select Unique Posts for a List of Tags
- How To Use WP_Query To Get The Custom Post type Posts With Keywords
- Include post_status check within $wpdb query
- wpdb get_results() returns only 2 rows
- Optimising amount of calls to custom fields
- pre_get_posts or $where, which one to use?
- Fire query on ajax post url page
- Slow getting posts from category
- Search Query that Includes Custom Table
- Custom query (author is post_author or meta co_author) with Pagenavi pagination
- WP_Query search by multiple meta key and distance
- Different sql queries count indicator on the main page [closed]
- wpdb LIKE request shows all database data
- Convert a WP Query into a simpler SQL query to fetch only COUNT of posts
- How much does $wpdb->prepare(), then $wpdb->query() VS straight $wpdb->query(), can slow down the load time of whole page
- how to use transient method?
- get_post_meta bringing back results, but $wpdb->postmeta doesn’t
- Is there another way to retrieve a post_id from post_meta other than a SQL query?
- Query to sort a list by meta key first (if it exists), and show remaining posts without meta key ordered by title
- How to use the_posts_navigation for wp_query and get_posts?
- WP_Query inside an existing wp_query stops next post showing
- cloning a WP_Query
- Get posts using WP_Query
- How is WP_Query connected to WP_Post in The Loop?
- How to display the modified post today
- Multiple taxonomy And acf filter group by
- Take all produts by category
- How to retrieve the date on which a post was moved to trash?
- Querying a large number of posts including their custom fields data
- WP_Query with 2 genres
- Display posts from an array of ID’s
- How can I modify the query by adding to the existing query?
- WP_Query Regexp whitespace and end of string
- Update wp_query every week
- Merge two queries and remove duplicate
- Convert SQL Query to WP_Query
- Get a page ancestor from a most viewed list
- What is wrong with this pagination code?
- query only direct child and sub-terms of a current term archive
- taxonomy-{term}.php terms pagination returning 404 after a certain page