Can posts have parents?
Are posts supposed to have parents? If so, what would that mean for a post to have a parent?
database
Does dbDelta delete columns as well?
I created a table using the dbDelta function and then removed a few columns and added a few. The new columns did get created but the old columns did not get deleted from the table.
Does WordPress use the InnoDB engine for MySQL by default?
I just created a new WordPress site in my server. Normally, WordPress uses MyISAM as the database type. But this time, it created all InnoDB tables! Is this normal? Has WordPress switched to InnoDB in the latest versions?
How does WordPress handle MySQL row lock errors?
If there is a WordPress plugin which updates rows in a custom table, but that update encounters a row lock, what happens? E.g. two users simultaneously fire an update on TABLE1, one setting AGE=1 and the other setting AGE=2:
How to increase the character limit for post name of 200?
I have post name in Thai which uses UTF-8 character. Many of them encode into super long in ASCII e.g. วิธีการหลีกเลี่ยงข้อผิดพลาดทั้ง-8-ในชีวิตการแต่งงาน
How to get the post publish date outside the loop?
I need to pull out the post publish date in order to make the post post auto expire. The thing is I can’t get the right publish date.