文章目录
怎么删除WordPress未使用的数据库表
您想清理WordPress数据库并删除未使用的数据库表吗？
WordPress未使用的表会占用一定数据库空间,删除这些冗余表可以缩小数据库大小,降低存储成本。数据库表越多,查询性能会有所下降。删除无用表可以简化数据库结构,提升查询和操作速度。删除不需要的表可以减少潜在的安全风险。定期优化数据库是数据库管理的最佳实践之一。删除无用表可以让数据库保持整洁有序。
简言之删除WordPress无用表对于数据库管理非常必要,可以让数据库更精简、高效、安全,也使网站运维工作更轻松。
这篇文章晓得博客为你介绍怎么删除WordPress未使用的数据库表，整理了150多个插件和主题的数据库表名称。这使您可以更轻松地将数据库表分配给它们所属或曾经所属的相应插件和主题，并找到可以删除的插件和主题。
推荐：Asset Cleanup Pro插件使用WordPress性能优化插件教程
如何使用列表
为了让您可以使用该列表更快地实现您的目标，并将 WordPress数据库从不必要的表中释放出来，我为您整理了一份关于如何使用它的简短指南：
1、创建数据库备份
在更改数据库中的任何内容之前，您应该始终对其进行备份或确保您的自动备份是最新的！
因为您总是可能会意外删除一个或多个不正确的WordPress数据库表。您可以在本文中阅读如何创建 WordPress 备份：WordPress备份初学者指南
注意：如果删除数据库表，插件的设置可能会被删除。如果您打算稍后再次使用该插件，则暂时不要删除关联的表。
2、打开PHPMyAdmin和插件列表
创建备份后，同时在 PHPMyAdmin 中打开数据库并在 WordPress 中打开插件列表。
要打开 PHPMyAdmin，您需要登录虚拟主机的客户区域并访问您的数据库。在那里您通常还会找到 PHPMyAdmin 的链接。
3、搜索列表中的表或插件
接下来，逐步检查WordPress数据库表以查找不再使用的表。
所有不属于 WordPress 自己的表（参见第 2 点）的数据库表都是潜在的删除候选者。复制表名称（不带前缀）并STRG/CMD + F在文章中搜索该名称。
在下面的示例中，您可以例如 例如TranslatePress在列表中搜索：
注意：该列表显示所有不带前缀的表名称。上例表中的前缀是wp_（WordPress数据库表前缀,)或者，您可以在列表底部查找您曾经安装过但不再使用的插件，然后在 PHPMyAdmin 中查找相应的表。
4、使用Advanced Database Cleaner Pro
如果您使用Advanced Database Cleaner Pro，步骤 1.2 和 1.3 会更容易。这允许您直接在 WordPress 中删除数据库表，而无需登录 PHPMyAdmin：该插件还可以扫描您的数据库表并将它们分配给您的插件。Advanced Database Cleaner Pro 并不总是 100% 正确映射所有数据库表。有时会发生数据库表被分配给错误的插件或被识别为“孤立！”的情况，即使它们被积极使用。
但是，可以使用批量编辑选项“编辑分类”自行设置分配，这将使您将来更轻松地维护数据库。
推荐：Hummingbird Pro插件使用教程WordPress速度优化插件
WordPress自定义表格
每次安装WordPress 时都会默认创建如下WordPress数据库表：
- commentmeta
- comments
- links
- options
- postmeta
- posts
- termmeta
- terms
- term_relationships
- term_taxonomy
- usermeta
- users
推荐：Contact Form 7插件教程WordPress设置Contact Form表单插件
插件表
以下WordPress数据库表是由 WordPress 插件创建的。该列表按插件名称组织：
注意：wp-config.php请注意，这些表不包含 .db文件中指定的数据库前缀。因此，如果您的前缀是，则actionscheduler_logs 可以调用数据库中的表wp_actionscheduler_logs或。
| Plugin | Datenbank-Tabellen |
|---|---|
| AAWP | aawp_lists aawp_products |
| Action Scheduler ( Rank Math) | actionscheduler_actions actionscheduler_claims actionscheduler_groups actionscheduler_logs |
| Affiliate Coupons | affcoups_stats |
| All in One SEO | aioseo_notifications aioseo_posts |
| All in One WP Security | aiowps_events aiowps_failed_logins aiowps__global_meta aiowps__login_activity aiowps__login_lockdown aiowps__permanent_block |
| Anycomment | anycomment_email_queue anycomment_likes anycomment_rating anycomment_subscriptions anycomment_uploaded_files |
| Avatar Privacy | avatar_privacy avatar_privacy_hashes |
| Amazon Super Assistent (ASA 1) | asa_collection asa_collection_item |
| ASA 2 Pro | asa2_api_stats asa2_associate_id_set asa2_collections asa2_collections_items asa2_feeds asa2_images asa2_log asa2_proxies asa2_ratings asa2_repo_meta asa2_repo_notifications asa2_repo_queue asa2_shop2tax asa2_templates asa2_tpltranslation |
| Bloom | et_bloom_stats |
| Borlabs Cookie | borlabs_cookie_blocked_content_types borlabs_cookie_consent_log borlabs_cookie_content_blocker borlabs_cookie_cookies borlabs_cookie_groups borlabs_cookie_script_blocker borlabs_cookie_statistics |
| Broken Link Checker | blc_filters blc_instances blc_links blc_synch |
| Broken Link Status Checker | wplnst_scans wplnst_scans_objects wplnst_urls wplinst_urls_locations wplnst_urls_locations_att wplnst_urls_status |
| Code Snippets | ms_snippets |
| Complianz | cmplz_cookiebanners cmplz_cookies cmplz_dnsmpd cmplz_services cmplz_statistics |
| Cookie Law Info (CookieYes) | cli_cookie_scan cli_cookie_scan_categories cli_cookie_scan_cookies cli_cookie_scan_url cli_scripts |
| Crelly Slider | crellyslider_elements crellyslider_nonces crellyslider_sliders crellyslider_slides |
| CSS & JavaScript Toolbox | cjtoolbox_authors cjtoolbox_backups cjtoolbox_blocks cjtoolbox_block_files cjtoolbox_block_pins cjtoolbox_block_templates cjtoolbox_forms cjtoolbox_form_groups cjtoolbox_form_group_parameters cjtoolbox_form_group_xfields cjtoolbox_packages cjtoolbox_package_objects cjtoolbox_parameters cjtoolbox_parameter_typedef cjtoolbox_parameter_typeparams cjtoolbox_plus_block_pintype cjtoolbox_templates cjtoolbox_template_revisions |
| Data Tables Generator by Supsystic | supsystic_tbl_columns supsystic_tbl_diagrams supsystic_tbl_rows supsystic_tbl_tables |
| Digimember | digimember_action digimember_action_out_queue digimember_apilog digimember_autoresponder digimember_config_store digimember_counter digimember_download digimember_exam digimember_exam_answer digimember_exam_certificate digimember_has_preview_cache digimember_ipn_in_log digimember_ipn_out_queue digimember_ip_counter digimember_ip_lock digimember_ip_log digimember_lock digimember_log digimember_loginkey digimember_mail_text digimember_notifier_queue digimember_one_time_login digimember_page_product digimember_payment digimember_product digimember_server_cookie digimember_session_store digimember_timer digimember_user digimember_user_product digimember_user_settings digimember_webhook digimember_webpush_message digimember_webpush_queue digimember_webpush_settings digimember_webpush_subscription |
| Easy Appointments | ea_error_logs |
| Easy Social Icons | cn_social_icon |
| Easy Update Manager | eum_logs |
| Elementor Pro (Formulare) | e_submissions e_submissions_actions_log e_submissions_values |
| Everest Forms | evf_entries evf_entrymeta evf_sessions |
| EWWW Image Optimizer | ewwwio_images ewwwio_queue |
| Ez Form Calculator | ezfc_debug ezfc_files ezfc_forms ezfc_forms_elements ezfc_forms_options ezfc_forms_views ezfc_options ezfc_preview ezfc_submissions ezfc_templates |
| Ezoic | ezoic_endpoints |
| Facebook Comments Importer | fb_comments_image_data |
| FeedStats de | fs_data fs_visits |
| Fluent Forms | ff_scheduled_actions fluentform_draft_submissions fluentform_entry_details fluentform_forms fluentform_form_analytics fluentform_form_meta fluentform_logs fluentform_order_items fluentform_submissions fluentform_submission_meta fluentform_subscriptions fluentform_transactions |
| FooGallery | gallery_albums gallery_pics gallery_settings |
| Formcraft | formcraft_b_forms formcraft_b_submissions formcraft_b_views |
| Formidable Forms | frm_fields frm_forms frm_items frm_item_metas |
| Forminator | frmt_form_entry frmt_form_entry_meta frmt_form_views |
| Form Maker | formmaker formmaker_backup formmaker_blocked formmaker_cookies formmaker_display_options formmaker_groups formmaker_query formmaker_sessions formmaker_submits formmaker_themes formmaker_views |
| FV Gravatar Cache | gravatars |
| FV Player | fv_fp_hls_access_tokens fv_player_players fv_player_videometa fv_player_videos |
| GD Rating System | gdrts_cache gdrts_itemmeta gdrts_items gdrts_items_basic gdrts_logmeta gdrts_logs |
| Gravity Forms | gf_addon_feed gf_draft_submissions gf_entry gf_entry_meta gf_entry_notes gf_form gf_form_meta gf_form_revisions gf_form_view rg_form rg_form_meta rg_form_view rg_incomplete_submissions rg_lead rg_lead_detail rg_lead_detail_long rg_lead_meta rg_lead_notes |
| Header Footer Code Manager | hfcm_scripts |
| HTML Forms | hf_submissions |
| Hustle | hustle_entries hustle_entries_meta hustle_modules hustle_modules_meta hustle_tracking |
| ImagePress | ip_collectionmeta ip_collections |
| Imagify | imagify_files imagify_folders |
| Insights from Google PageSpeed | gpi_page_blacklist gpi_page_reports gpi_page_stats |
| iThemes Security | itsec_lockouts itsec_log itsec_temp |
| JC Coupon | jcorgcr_categories jcorgcr_coupons |
| Koko Analytics | koko_analytics_post_stats koko_analytics_referrer_stats koko_analytics_referrer_urls koko_analytics_site_stats |
| Layer Slider | layerslider layerslider_revisions |
| Link Whisper | wpil_broken_links wpil_click_data wpil_ignore_links wpil_keywords wpil_keyword_links wpil_keyword_select_links wpil_report_links wpil_target_keyword_data wpil_urls wpil_url_links |
| Login Lockdown | lockdowns login_fails |
| MailChimp for WordPress | mc4wp_log |
| MailOptin | mo_campaign_log mo_campaign_logmeta mo_conversions mo_email_campaignmeta mo_email_campaigns mo_optin_advance_stat mo_optin_campaignmeta mo_optin_campaigns |
| MailPoet (inklusive alter Wysija-Tabellen) | mailpoet_custom_fields mailpoet_dynamic_segment_filters mailpoet_feature_flags mailpoet_forms mailpoet_log mailpoet_mapping_to-external_entities mailpoet_newsletters mailpoet_newsletter_links mailpoet_newsletter_option mailpoet_newsletter_option_fields mailpoet_newsletter_posts mailpoet_newsletter_segment mailpoet_newsletter_templates mailpoet_scheduled_tasks mailpoet_scheduled_task_subscribers mailpoet_segments mailpoet_sending_queues mailpoet_settings mailpoet_statistics_clicks mailpoet_statistics_forms mailpoet_statistics_newsletters mailpoet_statistics_opens mailpoet_statistics_unsubscribes mailpoet_statistic_woocommerce_purchases mailpoet_stats_notifications mailpoet_subscribers mailpoet_subscriber_custom_field mailpoet_subscriber_ips mailpoet_subscriber_segment mailpoet_user_flags wysija_campaign wysija_campaign_list wysija_custom_field wysija_email wysija_email_user_stat wysija_email_user_url wysija_form wysija_list wysija_queue wysija_subscriber_ips wysija_url wysija_url_mail wysija_user wysija_user_field wysija_history wysija_list |
| MainWP Dashboard | mainwp_action_log mainwp_bulk_settings_manager_entries mainwp_bulk_settings_manager_previews mainwp_bulk_settings_manager_rings mainwp_bulk_settings_manager_rings_to_entry mainwp_client_report mainwp_client_report_client mainwp_client_report_format mainwp_client_report_site_token mainwp_client_report_token mainwp_domain_monitor mainwp_extract_urls_template mainwp_group mainwp_lighthouse mainwp_maintenance_schedule mainwp_pro_reports mainwp_pro_reports_content mainwp_pro_reports_site_token mainwp_pro_reports_token mainwp_request_log mainwp_tips mainwp_uptime_monitor_urls mainwp_uptime_stats_betteruptime mainwp_uptime_stats_nodeping mainwp_uptime_stats_site24x7 mainwp_uptime_stats_uptimerobot mainwp_uptime_url_options mainwp_users mainwp_vulnerability_checker mainwp_wp mainwp_wp_backup mainwp_wp_backup_progress mainwp_wp_group mainwp_wp_options mainwp_wp_settings_backup mainwp_wp_status mainwp_wp_sync |
| Master Slider | masterslider_options masterslider_sliders |
| Matomo | matomo_access matomo_archive_invalidations matomo_archive_numeric_2022_04 matomo_brute_force_log matomo_custom_dimensions matomo_goal matomo_locks matomo_logger_message matomo_log_action matomo_log_conversion matomo_log_conversion_item matomo_log_link_visit_action matomo_log_profiling matomo_log_visit matomo_option matomo_plugin_setting matomo_privacy_logdata_anonymizations matomo_report matomo_report_subscriptions matomo_segment matomo_sequence matomo_session matomo_site matomo_site_setting matomo_site_url matomo_tagmanager_container matomo_tagmanager_container_release matomo_tagmanager_container_version matomo_tagmanager_tag matomo_tagmanager_trigger matomo_tagmanager_variable matomo_tracking_failure matomo_twofactor_recovery_code matomo_user matomo_user_dashboard matomo_user_language matomo_user_token_auth |
| Media Cleaner | mclean_refs mclean_scan |
| Mediavine Create | mv_creations mv_images mv_nutrition mv_products mv_products_map mv_relations mv_reviews mv_revisions mv_settings mv_shapes mv_supplies |
| MemberPress | mepr_events mepr_jobs mepr_members mepr_rule_access_conditions mepr_subscriptions mepr_tax_rates mepr_tax_rate_locations mepr_transactions mepr_transaction_meta |
| Monarch | et_social_stats |
| Multi Rating | mr_rating_item mr_rating_item_entry mr_rating_item_entry_value mr_rating_subject |
| NextGEN Gallery | ngg_album ngg_gallery ngg_pictures |
| NextScripts | nxs_log nxs_query |
| Ninja Forms | nf3_actions nf3_action_meta nf3_chunks nf3_fields nf3_field_meta nf3_forms nf3_form_meta nf3_objects nf3_object_meta nf3_relationships nf3_upgrades |
| Ninja Tables Pro | ninja_table_items |
| Novashare | novashare_meta |
| Opt-In Panda | opanda_leads opanda_leads_fields opanda_stats_v2 |
| Portfolio Post Type | crp_portfolios crp_projects |
| Pretty Links | prli_clicks prli_groups prli_links prli_link_metas |
| ProfilePress | ppress_coupons ppress_customers ppress_forms ppress_formsmeta ppress_meta_data ppress_ordermeta ppress_orders ppress_plans ppress_sessions ppress_subscriptions |
| Prosodia VGW OS | wpvgw_markers wpvgw_posts_extras |
| Rank Math | rank_math_404_logs rank_math_analytics_ga rank_math_analytics_gsc rank_math_analytics_keyword_manager rank_math_analytics_objects rank_math_internal_links rank_math_internal_meta rank_math_redirections rank_math_redirections_cache rank_math_sc_analytics |
| Rate my Post | rmp_analytics |
| Real Cookie Banner | rcb_asset_seo_redirect rcb_blocker_thumbnails rcb_consent rcb_presets rcb_revision rcb_revision_independent rcb_scan rcb_scan_markup rcb_stats rcb_tcf_features rcb_tcf_purposes rcb_tcf_special_features rcb_tcf_special_purposes rcb_tcf_stacks rcb_tcf_vendors real_queue |
| Redirection | redirection_404 redirection_groups redirection_items redirection_logs redirection_modules |
| ReviewX | reviewx_criterias reviewx_import_history reviewx_process_jobs reviewx_reminder_email |
| RevSlider | revslider_css revslider_layer_animations revlider_navigations revslider_sliders revslider_slides revslider_static_slides |
| Simple:Press | sfadversaries sfauthcats sfauths sfbuddies sfcache sfdefpermissions sferrorlog sfforums sfgroups sflog sflogmeta sfmembers sfmemberships sfmeta sfnotices sfoptions sfpermissions sfpmattachments sfpmmessages sfpmrecipients sfpmthreads sfpolls sfpollsanswers sfpollsvoters sfpostattachments sfposts sfroles sfspecialranks sftagmeta sftags sftopics sftrack sfuseractivity sfusergroups sfwaiting sfwarnings |
| Shortpixel | shortpixel_folders shortpixel_meta |
| Slider Revolution | revslider_css revslider_layer_animations revslider_settings revslider_sliders revslider_slides revslider_static_slides |
| Slider WD | wdslayer wdsslide wdsslider |
| Smart Slider | nextend2_image_storage nextend2_section_storage nextend2_smartslider3_generators nextend2_smartslider3_sliders nextend2_smartslider3_sliders_xref nextend2_smartslider3_slides |
| Smash Balloon Instagram Feed | sbi_feeds sbi_feed_caches sbi_instagram_feeds_posts sbi_instagram_feed_locator sbi_instagram_posts sbi_sources |
| Smushit | smush_dir_images |
| Social Share Buttons by Supsystic | supsystic_ss_networks supsystic_ss_projects supsystic_ss_project_networks supsystic_ss_shares supsystic_ss_views |
| Spyder Spanker | spyders_ip_cache spyders_live |
| Subscribe to Comments Reloaded | subscribe_reloaded_subscribers |
| Survey Slam | svs_submits |
| Swift Performance | swift_performance_warmup |
| Tablesome | tablesome_records tablesome_table_0 tablesome_table_827 |
| Thirsty Affiliates | ta_link_clicks ta_link_clicks_meta |
| Thrive Apprentice | tva_ipn_log tva_orders tva_order_items tva_transactions |
| Thrive Architect | tcb_api_error_log tcb_lp_templates |
| Thrive Comments | tcm_email_hash tcm_logs |
| Thrive Headline Optimizer | tho_event_log tho_tests tho_test_items |
| Thrive Leads | tve_leads_contacts tve_leads_contact_download tve_leads_event_log tve_leads_form_variations tve_leads_group_options tve_leads_saved_group_options tve_leads_split_test tve_leads_split_test_items td_fields td_groups |
| Thrive Ovation | tvo_activity_log |
| Thrive Quiz Builder | tqb_event_log tqb_results tqb_results_links tqb_tests tqb_tests_items tqb_users tqb_user_answers tqb_variations |
| Thrive Ultimatum | tve_ult_designs tve_ult_emails tve_ult_events tve_ult_event_log tve_ult-setings_campaign tve_ult_settings_templates |
| Toolkit for Elementor | toolkit_gtmetrix |
| Uji Countdown | uji_counter uji_subscriptions |
| Visitors Traffic Real Time Statics | ahc_browsers ahc_countries ahc_daily_visitors_stats ahc_hits ahc_keywords ahc_online_users ahc_recent_visitors ahc_refering_sites ahc_searchng_visits ahc_search_engines ahc_search_engine_crawlers ahc_settings ahc_title_traffic ach_visitors ahc_visits_time |
| weForms | weforms_entries weforms_entrymeta |
| WooCommerce | wc_admin_notes wc_admin_note_actions wc_category_lookup wc_customer_lookup wc_download_log wc_order_coupon_lookup wc_order_product_lookup wc_order_stats wc_order_tax_lookup wc_product_attributes_lookup wc_product_download_directories wc_product_meta_lookup wc_rate_limits wc_reserved_stock wc_tax_rate_classes wc_webhooks woocommerce_api_keys woocommerce_attribute_taxonomies woocommerce_downloadable_product_permissions woocommerce_log woocommerce_order_itemmeta woocommerce_order_items woocommerce_payment_tokenmeta woocommerce_payment_tokens woocommerce_sessions woocommerce_shipping_zones woocommerce_shipping_zone_locations woocommerce_shipping_zone_methods woocommerce_tax_rates woocommerce_tax_rate_locations |
| Wordfence | wfBlockedIPLog wfBlocks7 wfConfig wfCrawlers wfFileChanges wfFileMods wfHits wfHoover wfissues wfKnownFileList wfLiveTrafficHuman wfLocs wfLogins wfls_2fa_secrets wfls_settings wfNotifications wfPendingIssues wfReverseCache wfSNIPCache wfTrafficRates |
| WordLift | wl_mapping wl_mapping_property wl_mapping_rule wl_mapping_rule_group wl_relation_instances |
| WordPress Advanced Bulk Edit | wpmelon_wadvbedit_temp |
| WordPress File Upload | wfu_dbxqueue wfu_log wfu_userdata |
| WP All Export | pmxe_exports pmxe_google_cats pmxe_posts pmxe_templates |
| WPBackItUp | wpfm_backup |
| WP Business Directory Pro | wpbdp_fees wpbdp_form_fields wpbdp_listing_fees wpbdp_payments wpbdp_payments_items wpbdp_submit_state |
| wpDataTables | wpdatatables wpdatatables_columns wpdatatables_rows wpdatatable_1 wpdatatable_2 |
| wpDiscuz | wc_avatars_cache wc_comments_subscription wc_feedback_forms wc_follow_users wc_phrases wc_users_rated wc_users_voted |
| WP Download Manager | ahm_assets ahm_country ahm_coupons ahm_download_stats ahm_emails ahm_licenses ahm_orders ahm_order_items ahm_order_renews ahm_payment_methods ahm_refunds ahm_withdraws |
| wp Hosting Performance Check | webpages_data |
| WPML | icl_cms_nav_cache icl_content_status icl_core_status icl_flags icl_languages icl_languages_translations icl_locale_map icl_message_status icl_mo_files_domains icl_node icl_reminders icl_strings icl_string_batches icl_string_packages icl_string_pages icl_string_positions icl_string_status icl_string_translations icl_string_urls icl_translate icl_translate_job icl_translations icl_translation_batches icl_translation_downloads icl_translation_status |
| WP Optimize | wpai_blocks wpai_settings |
| WP Recipe Maker | wprm_analytics wprm_ratings |
| WP Reviews | mts_wp_reviews |
| WP Rocket | wpr_rucss_resources wpr_rucss_used_css |
| WP RSS Aggregator | wprss_logs |
| WP Search Insights | searchinsights_archive searchinsights_single |
| WP Security Audit | wsal_metadata wsal_occurrences wsal_options |
| wpSEO | WP_SEO_404_links WP_SEO_Cache WP_SEO_Redirection WP_SEO_Redirection_LOG |
| WP Staging | wpstg_queue |
| WP Statistics | statistics_exclusions statistics_historical statistics_pages statistics_search statistics_useronline statistics_visit statistics_visitor statistics_visitor_relationships |
| WP ULike | ulike ulike_activities ulike_comments ulike_forums ulike_meta |
| XML Sitemap Generator | xsg_sitemap_meta |
| Yoast | yoast_indexable yoast_indexable_hierarchy yoast_migrations yoast_primary_term yoast_seo_links yoast_seo_meta |
| YARPP – Yet Another Related Posts Plugin | yarpp_related_cache |
| YASR – Yet Another Stars Rating | yasr_log yasr_log_multi_set yasr_multi_set yasr_multi_set_fields yasr_multi_values |
| Yoast SEO | yoast_indexable yoast_indexable_hierarchy yoast_migrations yoast_primary_term yoast_prominent_words yoast_seo_links yoast_seo_meta |
| YOP Poll | yop2_pollmeta yop2_polls yop2_poll_answermeta yop2_poll_answers yop2_poll_bans yop2_poll_custom_fields yop2_poll_logs yop2_poll_questionmeta yop2_poll_questions yop2_poll_results yop2_poll_templates yop2_poll_votes_custom_fields pollsa pollsip pollsq |
| YumPrint | yumprint_recipe_recipe yumprint_recipe_theme yumprint_recipe_view |
| Zip Recipes | amd_zlrecipe_recipes |
以下数据库表是由 WordPress 题创建的WordPress数据库WordPress数据库：
| Theme | Datenbank-Tabellen |
|---|---|
| affiliatetheme.io | aws_feed at_price_trend |
| Avada | fusion_forms fusion_form_entries fusion_form_fields fusion_form_submissions |
常问问题
哪些数据库表属于我的多站点
对于多站点，WordPress Core 创建新表，例如：
wp_blogs
wp_blogs-versions
wp_registration_log
wp_signups
wp_site
wp_sitemeta
此外，还会为第二个网站创建特定于页面的表，例如wp_2_posts或wp_2_postmeta。
哪些 WordPress 插件占用大量数据库空间？
一般来说，WordPress 插件会占用大量数据库空间来记录网站访问者或其操作。这包括：
WordPress cookie 插件（例如 Borlabs Cookie）
统计插件
联系表单插件
潜在客户生成插件（例如 Thrive Leads）
记录状态代码的插件（例如 301 重定向或排名数学）
但其他类型的插件也会占用大量数据库空间，例如：
图像优化插件（例如 EWWW Image Optimizer）
每个WordPress插件都会创建自己的数据库表吗？
并非每个 WordPress 插件都会创建自己的数据库表。许多插件还将数据存储在现有表中，例如wp_posts、wp_options或postmeta。
WordPress 需要多少个数据库？
每个 WordPress 都需要一个数据库。但是，多个 WordPress 安装可以共享数据库，无论是作为单独的网站还是作为多站点。
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晓得博客 » 怎么删除WordPress未使用的数据库表(150+插件主题数据库表名称）
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