Yuav Ua Li Cas Tshem Tawm WordPress Custom Sections / Fields / Domains?

WordPressCov pawg kev cai tsis yog tsuas yog muaj zog xwb tab sis kuj siv tau zoo heev, thiab ntau lub ntsiab lus WordPress thiab plugins siv lawv los ua ntau yam haujlwm.

Lub plugin suav saib tsab xov xwm uas peb siv, WP-PostViews, cuam tshuam nrog kev sau cov pawg kev cai rau hauv lub database. ▼

views

Thaum koj deactivate lossis rho tawm ib lub WordPress theme lossis plugin, nws cov pawg kev cai feem ntau khaws cia rau hauv lub database.

Yog tias cov ntaub ntawv loj heev, txhua zaus lub vev xaib nug cov ntaub ntawv hauv lub database, nws yuav siv RAM ntawm tus tswv tsev, uas yuav cuam tshuam rau kev ua haujlwm ib txwm ntawm lub vev xaib.

Peb uaSEOKuv sau ntau tshaj ib tsab xov xwm, yog li ntawd kev rho tawm cov ntu tsis muaj txiaj ntsig no tsuas yog tsis yooj yim.

Qhov tseeb, peb tsuas yog yuav tsum tauphpmyadminLos ntawm kev ua ib qho lus txib SQL, koj tuaj yeem rho tawm cov pawg tsis tsim nyog no hauv cov pawg ntawm lub ntaub ntawv.

Ceev faj

Vim tias kev rho tawm cov pawg kev cai hauv WordPress cuam tshuam nrog ...MySQL databaseTxoj haujlwm no muaj qee yam kev pheej hmoo.

Yog li ntawd, thov nco ntsoov thaub qab koj lub database ua ntej ua cov haujlwm database.

Txoj Kev 1: Tshem tawm cov kab ntawv tsis tseem ceeb siv cov lus txib database (Pom zoo)

1) Tom qab nkag mus rau hauv phpMyAdmin database, xaiv koj lub database.

2) Nyem "SQL" saum toj ntawm lub database.

3) Sau thiab ua cov lus txib hauv qab no rau hauv daim teb "SQL":

DELETE FROM wp_postmeta WHERE meta_key = "自定义栏目名称";

4) Tom qab ntawd, xyuas qhov seem kev cai hauv koj lub vev xaib cov ntawv kom paub tseeb tias nws puas tau raug tshem tawm tiav.

Txoj Kev 2: Tshem tawm cov pawg kev cai uas tsis tseem ceeb siv PHP code

1) Thov ntxiv cov lej hauv qab no rau cov ntaub ntawv functions.php ntawm koj lub ntsiab lus tam sim no ▼

global $wpdb;
$wpdb->query( "
DELETE FROM $wpdb->postmeta
WHERE `meta_key` = '栏目名称'
" );

2) Hloov "Lub Npe Column" mus rau kab kem uas koj xav rho tawm.

• Daim teb kev cai no yuav raug tshem tawm ntawm lub ntaub ntawv.

3) Cov lej no tsuas yog siv thaum tsim nyog xwb:

• Thov nco ntsoov rho tawm nws tom qab ua tiav txoj haujlwm rho tawm.
• Yog tias koj xav tau siv nws dua rau lub sijhawm tom ntej, thov ntxiv rau hauv cov ntaub ntawv functions.php ntawm koj lub ntsiab lus tam sim no.
• Vim tias nws cuam tshuam nrog kev ntxiv thiab rho tawm, uas yog qhov teeb meem heev, nws tsis pom zoo.

Tshem tawm cov ntaub ntawv postmeta tsis muaj txiaj ntsig

Cov ntaub ntawv cav tej zaum yuav raug rho tawm lawm, tab sis cov ntaub ntawv hauv lub rooj txuas ntxiv cav postmeta tseem tsis tau raug rho tawm, yog li nws tsuas yog tuaj yeem tshem tawm ntawm tes xwb.

1) Tom qab nkag mus rau hauv phpMyAdmin database, xaiv koj lub database.

2) Nyem "SQL" saum toj ntawm lub database.

3) Sau thiab ua cov lus txib hauv qab no rau hauv daim teb "SQL" ▼

DELETE pm FROM wp_postmeta pm LEFT JOIN wp_posts wp ON wp.ID = pm.post_id WHERE wp.ID IS NULL

Yog tias koj lub vev xaib WordPress siv CPU thiab nco ntau dhau ...

Thov saib cov lus qhia no rau cov kev daws teeb meem ▼

🔗 Kuv yuav ua li cas yog tias CPU thiab nco siv WordPress lub vev xaib siab dhau lawm?