Questions about database update statements

Database update statement problem: update table name set column name = A String + table id + how to write a string, update table name set column name = 'string' + table id + 'string ';, hehe, # humorous on the first floor: should I use CONCAT? ......, Database update statement problems
Update table name set column name = A String + table id + how to write a string

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Update table name set column name = 'string' + table id + 'string ';
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Hehe, # humor on the first floor :)

Should I use CONCAT ?......
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Discussion

Hehe, # humor on the first floor :)

Should I use CONCAT ?......

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Update table name set column name 1 = 'string 1', column name 2 = 'string 2', column name 3 = 'string 3 '....
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Update is a data change operation.
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Add where ID = '1'
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Connect.
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It means to update the data in a known ID = '1 '.
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I don't know either.
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Update tablename set name = '. $ name.' where id = 1;
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Discussion

Update winiis_c_fileaq set pageup = '../aq/1207/index _' + cast (c_id-1 as varchar(201_1_1_'.html'
I wrote it myself.