sql (tag)
| dbDelta() | Creates or modifies database tables based on the specified SQL query to create table. |
| get_meta_sql() | Given a meta query, generates SQL clauses to be appended to a main query. |
| get_posts_by_author_sql() | Retrieves WHERE part of the SQL query where posts with 'private' post status for authenticated users will be taken into account. |
| wc_get_product_id_by_sku() | Gets product ID by its SKU number. |
| WP_Date_Query{} | Class for generating SQL clauses that filter a primary query according to date. |
| WP_Tax_Query{} | Core class used to implement taxonomy queries for the Taxonomy API. |