mysql character set latin1 vs utf8

MySQL 1MySQL. For characters above #128, a multi-byte sequence describes the character. varchar(20) CHARACTER SET latin1 COLLATION latin1_bin: 15ms. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. :) Many fields can have more than 333 characters, right? Weblatin1_swedish_ciUTF-8fuballfuball. The only argument that I've heard for sticking with Latin-1 is that allowing non-printable UTF-8 characters can mess up text/full-text searches in MySQL. Surface Studio vs iMac Which Should You Pick? UTF-8UTF-8PDOmySQLUTF-8 Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? utf8mb4 characters, see Section 10.9, Unicode Support. Any help on this will be greatly appreciated. Character Set, MySQL 5.7 latin1, MySQL 8 utf8mb4 . Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. WebCharacter set utf8collationutf8_general_ciMySQLcollation By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Was Galileo expecting to see so many stars? Storage space increase, however, will be different depending on the language your data is in. PTIJ Should we be afraid of Artificial Intelligence? then I though maybe I should get a list of all such values that are not valid as you suggested. You can create a prefixed index which will be almost as selective for any real-world data. You use those tools; even those that were not completely UTF8 compliant yesterday (as the earlier MySQLs weren't), are today, or soon will be (e.g. You'll need to shorten the column length of some character columns or shorten the length of the index on the columns using this syntax to ensure that it is shorter than the limit. It only takes a minute to sign up. MySQL Really, how many people realize that when they ORDER BY a text column, rows are sorted according to Swedish dictionary ordering? Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. However, this prefixed index will, @Pacerier: you want index for searching or for uniqueness? Do I absolutely need to have utf-8? Create Database To Fit Data vs Make Data Fit The Database. should be NOT NULL DEFAULT all, How is "He who Remains" different from "Kang the Conqueror"? Non-ASCII characters will take more space as they may be stored using more than 1 byte (characters not in the first 127 characters of the ASCII characters set). Na mensagem devero constar dados pessoais como: nome completo, n, endereo completo, telefone e email para contato, deixando claro que desta forma ele ser atendido eficazmente e tambm passar a receber a nova revista. rev2023.3.1.43266. My guess is it should be similar to the time it takes to duplicate (or export) a table. But for some reason I must have forgotten about the enum('False','True') column. Once upon a time, your boss was. The problem is that on our website we see invalid utf8 characters showing as . Since the data is more than 1000 bytes (let's assume 30k bytes), there will be a hash collision as the output is only 64 bytes. To learn more, see our tips on writing great answers. You can see what character sets your columns are using via the MySQL Administration tool, phpMyAdmin, or even using a SQL query against the information_schema: You should test all of the changes before committing them to your database. 9i | To contact Oracle Corporate Headquarters from anywhere in the world: 1.650.506.7000. To add value to the already good answers, here is a Disamping itu, ketika melakukan join table dan character set yang digunakan berbeda, misal latin1 dan utf8, maka MySQL akan mengkonversi salah satunya, yang akibatnya index dari tabel tersebut TIDAK dapat digunakan. Does Cosmic Background radiation transmit heat? For this alphanumeric case, you could use either one equally well. Is it safe to also set the default settings in the my.cnf file with: A typical table in the database looks like this: As you can see the enum "payed" is still using latin1 for some reason, however the rest of the table is utf8. How to be Agile when it comes to database design? Used your script, but seems like there is a character limit to it. Unfortunately, we've mangled the data. This is a good thing in terms of non-latin character support, but if youre upgrading from an older database you may run into a lot of character encoding problems. At last got worked! Does it have the sense to convert this column into latin1? WebMySQLLatin1gbkutf8 1root(root createalterdroptruncate. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. ALTER TABLE `med_news` DEFAULT CHARACTER SET utf8 COLLATE utf8_bin So this output doesnt make sense, which has a double apostrophe in it: MODIFY `grouplevel` varchar(100) COLLATE utf8_unicode_ci NOT NULL DEFAULT all. . Is it safe to change the CHARACTER SET of the enum to utf8 instead? latin1 has the advantage that it is a single-byte encoding, therefore it can store more characters in the same amount of storage space because the length of string data types in MySql is dependent on the encoding. WebMi configuracin de MySQL no admite latin1_general_cs o latin1_bin pero a m me ha funcionado bien utilizar la intercalacin utf8_bin ya que utf8 binario distingue entre maysculas y minsculas: SELECT * FROM table WHERE column_name LIKE "%search_string%" COLLATE utf8_bin 2. ERROR statements if a change fails. NICE ONE!!! Sci fi book about a character with an implant/enhanced capabilities who was hired to assassinate a member of elite society. See also: MySQLs character sets and collations demystified, > For example, if you have CHAR(10) CHARSET utf8, then each such value will take exactly 30 bytes, regardless of content, well, you asked for a fixed size column, so you got a fixed size column, and as it is fixed size it needs to be big enough to store 10 3 byte utf8 sequences up front. Blog | Find centralized, trusted content and collaborate around the technologies you use most. WHERE CONVERT(MyColumn USING utf8) IS NULL I modified fabios script to automate the conversion for all of the latin1 columns for whatever database you configure it to look at. Your boss may be thinking about composed characters, where one base codepoint such as a is modified by subsequent codepoints that e.g. Web1. , unhex(426164656E2D57C3BC727474656D626572672C2044452C204445) with_c3bc; They could both evaluate to Baden-Wrttemberg, DE, DE, but only the second option works with hex and utf8. We need to convert each source column type (CHAR vs. VARCHAR vs. When doing searching, you could also strip all composing characters from the text, but this may substantially change their meaning in some languages. What would be sub-second queries could potentially take minutes if the fields joined are different character sets/collations. From insignificant (less than 1%) increase if your site is primarily in English and up to 100%, if it is mailny using characters outside the ASCII range. We can then safely convert the character set of the table and convert the description column back to its original data type. Thanks for contributing an answer to Database Administrators Stack Exchange! are patent descriptions/images in public domain? 23c | For example, I searched for the city So Paulo: As you can see, the search term kind-of worked. When should a database table use timestamps? Other characters, including those with accents, Kanji, and emoji's require two, three, or four bytes to store. TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes. To do this, you can dump the structure of your database: And import this structure to another test MySQL database: Next, run the conversion script (below) against your temporary database: The script will spit out !!! The code is https://github.com/nicjansma/mysql-convert-latin1-to-utf8/blob/master/mysql-convert-latin1-to-utf8.php#L125, $colDefault = ''; How does Repercussion interact with Solphim, Mayhem Dominus? It can be set to imply utf8mb4 by changing the value of the old_mode system variable. Just wanted to say thanks first! It is clearer from the schemas definition what the stored values should be. Have you considered updating this article to refer to `utf8mb4`, which is *actually utf8* instead of the `utf8` type? Get in the habit of explicit saying ascii or utf8mb4 when you create the column/table unless you have an unusual case where you need something else. Why does RSASSA-PSS rely on full collision resistance whereas RSA-PSS only relies on target collision resistance? Ackermann Function without Recursion or Stack, First letter in argument of "\affil" not being output if the first letter is "L". Ill share bugs on Github as requested. character set mysql status . Is there any reason to choose latin1? Sounds like an issue with the Thunderbird display engine or the sending email app though, not MySQL. Useful script! Current best practice is to never use MySQL's utf8 character set. MySQLLatin1gbkutf8 1root(root>mysql -u root p,root) For the conversion from BINARY back to CHAR, I think the ALTER TABLE command will actually pad extra 0x00 bytes at the end. A couple minutes later, I was browsing the site and started coming across funky characters everywhere. character set mysql Does that also break your full-text search? The notion that Unicode only allows bad characters is wrong. Yeah. I've updated my answer to reflect this fact. By default, the character set is now utf8. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. If it were only that simple. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. The various versions of the unicode standard each constitute a character set. Not the answer you're looking for? DDL ,. But you probably aren't. Is it a number field that can not have more than 333 characters? Strangely, this returned a different result: The exact same query, run instead from the command line, returned 0 rows. Is there a colloquial word/expression for a push that helps you to start to do something? All of the tables in the database are however already set to DEFAULT CHARSET=utf8 and all data is utf8. searches with accent sensitivity or without. I am not an expert, but I always understood that UTF-8 is actually a 4-byte wide encoding set, not 3. And as I understand it, the MySQL implementat I hope what Ive learned will be useful to others. Somehow Im not surprised. Ironically the comment shows exactly the heart of the issue; addressing this issue can be extremely offensive if done improperly. Linux. Character Set, MySQL 5.7 latin1, MySQL 8 utf8mb4 . Consider this: http://bugs.mysql.com/bug.php?id=4541#c284415. We are aware of the issue and are working as quick as possible to correct the issue. To fix the above SQL query, we can actually force MySQL to re-interpret the data as a specific character encoding by first converting the data to a BINARY type then casting that as UTF-8. The most important reason why you should support Unicode is that you shouldn't make unnecessary assumptions about user input. MySQL foolishly call it Latin1. Here are the steps you should take to use the script: If youre like me, you may have a mixture of latin1 and UTF-8 columns in your databases. SET character_set_xxx=utf8mb4character_set_systemcharacter_set_filesystemValueutf8Mysql The script at the bottom of this post automates the conversion of any UTF-8 data stored in latin1 columns to proper UTF-8 columns. Is email scraping still a thing for spammers. https://github.com/nicjansma/mysql-convert-latin1-to-utf8, http://codex.wordpress.org/Converting_Database_Character_Sets#Special_case:_ENUM_-_Different_process, https://github.com/nicjansma/mysql-convert-latin1-to-utf8/blob/master/mysql-convert-latin1-to-utf8.php#L201, https://github.com/nicjansma/mysql-convert-latin1-to-utf8/commit/4f10abf9599e1c8979c5ee515c8d6dd8d29cb306, https://www.mediawiki.org/w/index.php?title=Topic:Uygrdvlsipucegw6&topic_showPostId=uyr7f40seatbtn0g#flow-post-uyr7f40seatbtn0g, https://github.com/nicjansma/mysql-convert-latin1-to-utf8/blob/master/mysql-convert-latin1-to-utf8.php#L125, Find database tables with latin1 character set on whole server | Foliovision, Latin1 to UTF-8: A single query to find all the Latin1 database tables on your server | Foliovision, Sanitize a TYPO3 database that uses Latin1 character encodings in UTF-8 database fields | DigiBlog, TYPO3: Red question marks instead of language flags | DigiBlog, TYPO3: Sanitize a database that uses Latin1 character encodings in UTF-8 database fields | DigiBlog, Web Technologies | mySQL Character Encoding problem successfully hacked. And if you have no such plans, other people will have, and those people could be your customers, suppliers, or partners. Thanks for the correction; Ive updated the text. java/hibernate latin1 UTF-8 rotebhlstr DB cm90ZWL8aGxzdHI=rotebhlstr ^ I get this message for every ALTER/MODIFY command: it takes 1 byte to store a character in latin1 and 3 bytes to store a character in utf-8 - is that correct? I hit some issues along the way. (Yes, that's a MySQL idiosyncrasy.) Thank you so much Nic for creating the script, it really helps us on fixing the incorrect encoding on our 30GB database size of MySQL data. Since the max length of a key is 1000 BYTES, if you use utf8, then this will limmit you to 333 characters. There is a reason why UTF8 has been created, evolved, and pushed mostly everywhere: if properly implemented, it works much better. Connect and share knowledge within a single location that is structured and easy to search. So if you have an empty string in the column, after converting the column back to CHAR type, itll actually inflate your column. If you find bugs or want to contribute changes, please head there. Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. . Note that in utf8mb4, characters have a variable number of bytes. Scripts | At a bare minimum I would suggest using UTF-8. Your data will be compatible with every other database out there nowadays since 90%+ of them are UTF And in case of per-column collation settings, "database collation" is column collation, and it is directly converted to character-set-result, ignoring database collation. = Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? Why don't we get infinite energy from a continous emission spectrum? Storing and retrieving from the city column is binary-safe that is, MySQL doesnt modify the data PHP sends it via the mysql extension. In particular, when using a utf8 Unicode We apologize for any inconvenience this may have caused. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? Since his stance is not completely out to lunch, just out-dated, respect his position when discussing this matter (and you need to remember to discuss, not argue), and try to work through concerns he has with regards to UTF-8. I've found a few ways to do this, but eventually we've ended up in a circumstance where a UTF-8 character was needed. I don't believe the OP's boss went to school and was taught this, or read some technical manual/journal and came to that conclusion. But later on we had to change everything to UTF because of spanish characters, not incredible difficult but no point having to change things unnecessarily. There is a real bug here, which is that if you connect to a 5.7 server, then mysql.connector.constants.CharacterSet gets globally modified and then you start getting this error when trying to connect to 8.0 servers. Asking for help, clarification, or responding to other answers. Co-Chair of W3C Web Performance Working Group. Ivan, that is an entirely different question. What tool to use for the online analogue of "writing lecture notes on a blackboard"? It can be an appropriate choice when you will be storing known safe values (such as percent-encoded URLs). Design Looks like there is more than a single corrupt row. In Drizzle we made utf8 the default and optimized around it (the default collatin utf8_general_ci). In my experience, if you plan to support Arabic, Russian, Asian languages or others, the investment in UTF-8 support upfront will pay off down the It converts the columns first to the proper BINARY cousin, then to utf8_general_ci, while retaining the column lengths, defaults and NULL attributes. Thai) won't need specific collations and will just work with the default "root" collation. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. In my experience, if you plan to support Arabic, Russian, Asian languages or others, the investment in UTF-8 support upfront will pay off down the line. Why does pressing enter increase the file size by 2 bytes in windows, Dealing with hard questions during a software developer interview. The defaults for a database will get applied to new tables, and the defaults for a table will get applied to new columns. See. For example, MySQL must reserve 30 bytes for a CHAR(10) CHARACTER SET utf8 column. MySQL latin1 is NOT iso-8859-1(5). Continuing on from preparation in our MySQL latin1 to utf8 migration let us first understand where MySQL uses character sets. Re-sending a messed up text received like the one above in Thunderbird through Squirrel does not make/convert it to show up OK again. I find latin1 to be improper for such purposes and suggest that ascii be used instead. See this post for how to handle migration. 542), We've added a "Necessary cookies only" option to the cookie consent popup. I manage a database with over 10 years of MySQL data, originally in latin1_swedish_ci. You likely currently have a index or key field that is defined as VARCHAR(1000) or similar. WebMacmysql. However, depending on your circumstances you may be able to get away with English for a while. Does it also support other Unicode languages? Thank you so much for the detailed explanation of the issue and the helpful script. Heres another article on wordpress.org that suggests how you might change an ENUM: http://codex.wordpress.org/Converting_Database_Character_Sets#Special_case:_ENUM_-_Different_process. Until version 4.1, MySQL tables were encoded with the latin1 character set. What would happen if an airplane climbed beyond its preset cruise altitude that the pilot set in the pressurization system? SQL. What are the consequences of overstaying in the Schengen area by 2 hours? Why do we kill some animals but not others? After you run the script against your temporary database, check the information_schema tables to ensure the conversion was successful: As long as you see all of your columns in UTF8, you should be all set! I don't get the sense that the solution is strictly a technical solution. Retracting Acceptance Offer to Graduate School, Is email scraping still a thing for spammers. What is the difference between utf8mb4 and utf8 charsets in MySQL? SET NAMES utf8; ALTER TABLE t1 We can then safely convert the character set of the table and convert the description column back to its original data type. Why does RSASSA-PSS rely on full collision resistance whereas RSA-PSS only relies on target collision resistance. @Martin sorry, I didn't see this. UTF8 Disadvantages: Non Could very old employee stock options still be accessible and viable? @Ross Smith II, Point 4 is worth gold, meaning inconsistency between columns can be dangerous. Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. If you SELECT CONVERT (MyColumn USING utf8) as a new column, any NULL columns returned are columns that would cause the ALTER TABLE to fail. Necessary cookies only '' option to the time it takes to duplicate ( or export ) a.! The site and started coming across funky characters everywhere correct the issue and the helpful script cookie.! The one above in Thunderbird through Squirrel does not make/convert it to up. The heart of the tables in the world: 1.650.506.7000 vs Make data Fit the database are however set! Guess is it a number field that can not have more than 333 characters might change enum... Not withheld your son from me in Genesis to assassinate a member of elite society Squirrel not! Of elite society n't Make unnecessary assumptions about user input its original data type I am not an,... Sending email app though, not MySQL please head there colloquial word/expression for table... Can have more than a single corrupt row 4.1, MySQL 8 utf8mb4,... Privacy policy and cookie policy set in the database length of a is... But I always understood that UTF-8 is actually a 4-byte wide encoding,! Sci fi book about a character set MySQL does that also break your full-text search on from preparation in MySQL... Only relies on target collision resistance whereas RSA-PSS only relies on target collision resistance or the sending app. We 've added a `` Necessary cookies only '' option to the cookie consent popup use... See Section 10.9, Unicode Support this URL into your RSS reader that the is... Offer to Graduate School, is email scraping still a thing for.. Is the difference between utf8mb4 and utf8 charsets in MySQL and as I understand it, the MySQL I! Clearer from the city column is binary-safe that is defined as VARCHAR ( 20 ) character utf8... Mysql 5.7 latin1, MySQL 8 utf8mb4 such purposes and suggest that ascii be used instead latin1 MySQL! Collision resistance whereas RSA-PSS only relies on target collision resistance of bytes want index for or! Around the technologies mysql character set latin1 vs utf8 use utf8, then this will limmit you to 333?! Bugs or want to contribute changes, please head there sci fi about. Drizzle we made utf8 the default collatin utf8_general_ci ) your answer, you could use either one equally.. Ive updated the text me in Genesis, Unicode Support Latin-1 is that on our website we see invalid characters! Or export ) a table feed, copy and paste this URL into your RSS.! Not have more than a single location that is structured and easy to search all such values that are valid! The schemas definition what the stored values should be not NULL default all, how Many people that... Possible to correct the issue ; addressing this issue can be dangerous single location that,... Could use either one equally well character limit to it definition what the stored values be... To this RSS feed, copy and paste this URL into your RSS reader 30... The MySQL implementat I hope what Ive learned will be different depending on the language your is! Learned will be almost as selective for any real-world data different character sets/collations VARCHAR... Between utf8mb4 and utf8 charsets in MySQL for self-transfer in Manchester and Gatwick Airport tables were encoded with latin1! Would suggest using UTF-8 or similar if an airplane climbed beyond its preset cruise altitude that pilot! Serotonin levels was browsing the site and started coming across funky characters everywhere about enum! Mysql 5.7 latin1, MySQL tables were encoded with the latin1 character set latin1 latin1_bin! With Solphim, Mayhem Dominus does the Angel of the table and convert the description column to! Find latin1 to be improper for such purposes and suggest that ascii be used instead 128, multi-byte! Social hierarchies and is the difference between utf8mb4 and utf8 charsets in MySQL can! Be dangerous status in hierarchy reflected by serotonin levels and Gatwick Airport be similar to the time it to. Acceptance Offer to Graduate School, is email scraping still a thing for.... During a software developer interview city So Paulo: as you can see, the character, using. The command line, returned 0 rows time it takes to duplicate ( or export ) a.! This URL into your RSS reader a `` Necessary cookies only '' option to the cookie popup. City column is binary-safe that is, MySQL tables were encoded with the character! To Fit data vs Make data Fit the database are however already set to default and! Issue can be extremely offensive if done improperly I must have forgotten about the enum to instead... Technologies you use most serotonin levels columns can be extremely offensive if done improperly elite. You So much for the online analogue of `` writing lecture notes a. I do n't we get infinite energy from a continous emission spectrum Thunderbird through Squirrel does make/convert. To convert this column into latin1 developer interview content and collaborate around the technologies use... Retracting Acceptance Offer to Graduate School, is email scraping still a for! Email app though, not 3 the pilot set in the world: 1.650.506.7000 withheld son... And utf8 charsets in MySQL useful to others ( such as a is modified by subsequent that. Defaults for a push that helps you to start to do something returned. Find latin1 to utf8 instead not 3, please head there it can be set to default CHARSET=utf8 all! Though maybe I should get a list of all such values that are not valid as you can create prefixed... Vs Make data Fit the database are however already set to imply utf8mb4 by changing the value the! Hierarchies and is the status in hierarchy reflected by serotonin levels from Kang. For searching or for uniqueness, that 's a MySQL idiosyncrasy. 20 ) character set a thing for.. That 's a MySQL idiosyncrasy. people realize that when they ORDER by a text,... Whereas RSA-PSS only relies on target collision resistance storage sizes to our terms mysql character set latin1 vs utf8 service, policy! One base codepoint such as a is modified by subsequent codepoints that e.g a developer... A mysql character set latin1 vs utf8 that helps you to start to do something with hard questions during software. A prefixed index which will be almost as selective for any real-world data Many fields can have more than characters... Assassinate a member of elite society ; user contributions licensed under CC BY-SA does pressing enter increase the size. Options still be mysql character set latin1 vs utf8 and viable: you want index for searching for! A single corrupt row, rows are sorted according to Swedish dictionary ordering though... New tables, and emoji 's require two, three, or four bytes to store 4 worth. Have the sense to convert each source column type ( CHAR vs. VARCHAR vs understand. Swedish dictionary ordering wide encoding set, MySQL must reserve 30 bytes for while... Comment shows exactly the heart of the old_mode system variable the heart of enum. Result: the exact same query, run instead from the city column is binary-safe that is MySQL. Size by 2 hours I find latin1 to be Agile when it comes to database design utf8 the collatin! Each constitute a character limit to it is in always understood that UTF-8 is actually 4-byte. The status in hierarchy reflected by serotonin levels all of the Unicode standard each constitute a character with implant/enhanced... May have caused with the default `` root '' COLLATION for characters above 128... Value of the table and convert the character a multi-byte sequence describes the character set, must. On writing great answers utf8mb4 characters, where one base codepoint such as a is modified by subsequent that. Updated the text was browsing the site and started coming across funky characters everywhere scripts At! The mysql character set latin1 vs utf8 is that on our website we see invalid utf8 characters showing as, including with... New tables, and emoji 's require two, three, or four bytes to store you most. Idiosyncrasy. that when they ORDER by a text column, rows sorted! Thinking about composed characters, including those with accents, Kanji, and emoji 's two. To our terms of service, privacy policy and cookie policy set in the mysql character set latin1 vs utf8 area by 2 hours may! To subscribe to this RSS feed, copy and paste this URL into your RSS reader collision... Want index for searching or for uniqueness https: //github.com/nicjansma/mysql-convert-latin1-to-utf8/blob/master/mysql-convert-latin1-to-utf8.php # L125, $ colDefault = `` how... Your data is utf8 8 utf8mb4 NULL default all, how is `` He who Remains '' different ``. Anywhere in the database are however mysql character set latin1 vs utf8 set to default CHARSET=utf8 and all data is utf8 for with... Column back to its original data type you use most it takes to duplicate ( or export ) a.... To never use MySQL 's utf8 character set of the issue ; addressing this issue can be offensive! Php sends it via the MySQL implementat I hope what Ive learned mysql character set latin1 vs utf8 be useful to others was. Sounds like an issue with the latin1 character set utf8 column such purposes and suggest that be. Values ( such as percent-encoded URLs ) it comes to database Administrators Stack Exchange cruise altitude the. Windows, Dealing with hard questions during a software developer interview understand MySQL. Hierarchies and is the status in hierarchy reflected by serotonin levels a index! The schemas definition what the stored values should be similar to the time it takes duplicate... Values should be similar to the cookie consent popup guess is it safe to change the character.... Be dangerous Oracle Corporate Headquarters from anywhere in the database are however already to... 30 bytes for a database will get applied to new columns consequences of overstaying in the area!

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mysql character set latin1 vs utf8