MySQL Ceeb Toom: Pom kab nyob qhov twg auto_increment colum

nyob rau hauv rooj plaubE-kev lag luamTus thawj tswj hwm qhov chaw muaj kev tso cai txaus kom dhauphpmyadmindatabase tswj vaj huam sib luag, yogMySQL databaseUa haujlwm tu.

Thaum muaj qhov yuam kev hauv database, koj tuaj yeem muabWordPressLub chaw khaws ntaub ntawv ua cov rooj saib xyuas "kev tshuaj ntsuam" lossis "kev txheeb xyuas".

Tab sis tom qab ntawd cov lus yuam kev zoo li qhov no yuav tshwm sim:

• wp_postmeta tsom xam ceeb toom Pom kab qhov twg auto_increment kem muaj tus nqi 0 
• wp_postmeta kos ceeb toom Pom kab qhov twg auto_increment kem muaj tus nqi 0
• Pom kab qhov twg auto_increment kem muaj cov ..
   

Hauv qab no yog Suav txhais lus:

• wp_postmeta tsom xam ceeb toom pom kab uas auto_increment kem muaj nqi 0
• wp_postmeta kos ceeb toom pom kab uas auto_increment kem muaj nqi 0
• Nrhiav kab qhov twg auto_increment kab yog ..

Database auto increment txhais li cas?

• nce ntxiv
• British ['ɪŋkrɪm(ə)nt] US ['ɪŋkrəmənt]
• n. [number] nce; nce; nce; nyiaj seem; nce

Vim li cas "auto_increment kem muaj tus nqi 0" tshwm?

Qhov no yog vim hais tias, tej zaum yuav muaj ib los yog ntau tshaj ntawm:Ib qhov chaw pib-incrementable uas nws tus nqi yog 0.

• Chen Weiliangpom ntau sivWordPress lub vev xaibuaSEOIb tug phooj ywg ntawm kuv kuj muaj ib yam teeb meem.

Yuav kho li cas?

Hauv qab no yogMySQLTxoj kev kho rau cov teeb meem database yog yooj yim heev!

Kauj ruam 1:Nyem rau ntawm daim ntawv teev lus nug

Kauj ruam 2:Nyem rau "meta_id" lossis "post_id" ▼

• Tom qab ntawd, qhov kev txheeb xyuas pib nyob rau hauv kev txiav txim, qhov twgNULL nrog ID 0 yuav txheeb rau saum.

Kauj ruam 3:Tshem tawm cov ntaub ntawv kab ke ntawm 0 0 NULL NULL▲

• rho tawm tus nqi ntawm kab ntawv id 0 0 NUG NULL teb.

Thaum kawg, txheeb xyuas thiab sim MySQL cov ntaub ntawv dua.

Kuv pom tias qhov kev ceeb toom yuam kev "kev ceeb toom pom kab qhov twg auto_increment kem muaj tus nqi 0" lawm, qhov teeb meem tau daws lawm, haha!