mysql character set latin1 vs utf8mysql character set latin1 vs utf8

The utf8 columns being those which need to contain multilingual characters (user names, addresses, articles etc. Can patents be featured/explained in a youtube video i.e. ERROR statements if a change fails. But for some reason I must have forgotten about the enum('False','True') column. I fixed that single row (via phpMyAdmin), and ran the ALTER TABLE MODIFY command again same issue, another row. The post below is a long yet detailed account of my experience. Required fields are marked *. The script can be found at Github: https://github.com/nicjansma/mysql-convert-latin1-to-utf8. Another better way is to just use iconv to convert during the dump process. Why was the nose gear of Concorde located so far aft? WHERE CONVERT(MyColumn USING utf8) IS NULL Learn more about Stack Overflow the company, and our products. The UTF-8 encoding was designed to be backward-compatible with ASCII documents, for the first 128 characters. If it were only that simple. Can a VGA monitor be connected to parallel port? same number of bytes. Well, this is what the ascii character set is for. This would prevent any adverse effects with other code that expects database charsets to be utf8 while still being sort of binary. So all this time, my PHP web application had been storing UTF-8-encoded data in the city column, and later retrieving the exact same (binary) data which it display on the website. Ivan, that is an entirely different question. Thanks for this Nic I am using Media Wiki and they are actually abandoning utf8, and going binary. Supports most languages, including RTL languages such as Hebrew. At last got worked! Searching for Mnchhausen on the site returned 0 results ( the correct number of matches). used also with cp1251 and works Or will I be able to get away with using latin1? See this bug report. I had to do this for 6 columns out of the 115 columns that were converted. Can a VGA monitor be connected to parallel port? Seems the problem was not in charset or collation! Jordan's line about intimate parties in The Great Gatsby? To contact Oracle Corporate Headquarters from anywhere in the world: 1.650.506.7000. NICE ONE!!! Connect and share knowledge within a single location that is structured and easy to search. Current best practice is to never use MySQL's utf8 character set. Use utf8mb4 instead, which is a proper implementation of the standard. rev2023.3.1.43266. Thanks MySQL for the confusion. WebCharacter set utf8collationutf8_general_ciMySQLcollation It takes 1 bytes to store a latin1 cha Should I use the datetime or timestamp data type in MySQL? What's the difference between UTF-8 and UTF-8 with BOM? Only 30 rows in total were corrupt. Over the years, I changed the default to utf8_general_ci for new columns, but existing tables and columns werent changed. Weblatin1_swedish_ciUTF-8fuballfuball. I would assume it would work that way as well, but havent tested it. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. I assume that your scripts would work that way also however do you see any reasons why such a conversion would create new challenges? So not supporting other scripts isn't just a big f*ck you to other cultures, but sticking to Latin-1 doesn't even allow you to write proper English. Thank you so much for the detailed explanation of the issue and the helpful script. You might have to worry for search tools etc. PTIJ Should we be afraid of Artificial Intelligence? MySQL foolishly call it Latin1. Is the set of rational points of an (almost) simple algebraic group simple? all garbled chars are now gone, and i did not even have to change any part of the script. Thanks for this post. I had updated a note in the README for the script: https://github.com/nicjansma/mysql-convert-latin1-to-utf8/commit/4f10abf9599e1c8979c5ee515c8d6dd8d29cb306. It doesn't support Hebrew, @qwertymk. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The best answers are voted up and rise to the top, Not the answer you're looking for? @Genadinik: why would you want to index the whole column? Today my database character set and collation is set to latin1. / 3. ordenados por distancia Levenshtein In Drizzle we made utf8 the default and optimized around it (the default collatin utf8_general_ci). character set used for that column and whether the value contains MySQLLatin1gbkutf8 1root(root>mysql -u root p,root) 542), We've added a "Necessary cookies only" option to the cookie consent popup. As you might expect, the data will look a little mangled from a latin1 client though! Could you explain more? So when they start sending you UTF8 data, you'll have to set up a complicated thingamajig to convert to and fro Latin1, and deal with unsolvable cases. SQL. Character sets are only appropriate for some types of data: CHAR, VARCHAR, TINYTEXT, TEXT, MEDIUMTEXT and LONGTEXT. I have the opinion that collations should be case sensitive by default; this makes for faster comparisons. I took the exact same query and ran it in the command-line mysql client. What are the advantages/disadvantages between using utf8 as a charset against using latin1? Instance; Schema; Table; Column; In MySQL 5.1, the default character set is latin1. The script will currently convert all of the tables for the specified database you could modify the script to change specific tables or columns if you need. I have a table in utf8 with > 80M records and one of the columns (char(6) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL) can contain just latin symbols ([a Connect and share knowledge within a single location that is structured and easy to search. Additionally, the MODIFYs to BINARY and back need to retain the entire column definition. . Thanks, Hm, line 201 of the current script doesnt have any code: https://github.com/nicjansma/mysql-convert-latin1-to-utf8/blob/master/mysql-convert-latin1-to-utf8.php#L201, Would you mind opening a Github issue? However, those same emails show OK when opened in Squirrel mail client. 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. Hi @Guru! I know that MySQL has default of latin1 encoding and apparently it takes 1 byte to store a character in latin1 and 3 bytes to store a character in utf-8 - is that correct? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. createalterdroptruncate. The column type and character set of a column determine how queries work against the data and how the data is returned as a result of a SELECT query. : mysql, sql, query-optimization. rev2023.3.1.43266. Connect and share knowledge within a single location that is structured and easy to search. The manual states that. Personally I use case insensitive collations more often (for user supplied data at least). Just wanted to say thanks first! In particular, when using a utf8 Unicode For ALL other systems, latin1=iso-8859-1(5) . I get this error when working with some of my data: Warning (Code 1366): Incorrect string value: \xFCrttem for column name at row 1. select unhex(426164656E2D57FC727474656D626572672C2044452C204445) with_fc I couldn't approve more. If you never use characters that require multiple bytes, then UTF-8 is as efficient as latin1. MySQL PHP Notice: Undefined variable: res in /usr/home/bbking/mysql-convert-latin1-to-utf8.php on line 201, and the tables dont change; either in encoding nor in content. A CHAR(10) or VARCHAR(10) field may need up to 30 bytes to store some UTF8 characters. represented in two bytes as described on the Wikipedia UTF-8 page. Can a VGA monitor be connected to parallel port? And since ASCII is a subset of UTF8, just use UTF8 even then. Is this really true? I started looking into the issue, and saw the same thing he was. Plus it's a bit of a hassle, especially since it seems like the only solution I ever read about for this issue is to just set the database to UTF-8 (makes sense to me). :) Many fields can have more than 333 characters, right? But how to know which these characters are \xD1\x80\xD0\xB5\xD0\xB3? If you encounter ERRORs, modifications may be needed based on your requirements. Seor, in CHARACTER SET latin1, take 5 bytes (plus length). AFAIK utf8 stores ASCII characters as single byte values. Thanks for contributing an answer to Stack Overflow! But as time goes by, things change. I checked the HTML representation of this column in my PHP website, and sure enough, the garbage shows up there too: The is the actual character that your browser shows. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Continuing on from preparation in our MySQL latin1 to utf8 migration let us first understand where MySQL uses character sets. 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. I forgot how VARCHAR behaves in MEMORY for a moment. Fixed-length encodings such as latin-1 are always more efficient in terms of CPU consumption. Note that in utf8mb4, characters have a variable number of bytes. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. You can specify a default character set per MySQL server, database, or table. Weblatin1_swedish_ciUTF-8fuballfuball. If you go with LATIN1/ISO-8859-1 you risk the data being not properly stored because it doesn't support international characters so you might run into something like the left side of this image: If you go with UTF-8, you don't need to deal with these headaches. Through resolving the issue, I learned a lot about the complexities of supporting international character sets in a LAMP (Linux, Apache, MySQL, PHP) environment. Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. UTF-8, on the other hand, can represent every character in the Unicode character set (over 109,000 currently) and is the best way to communicate on the Internet if you need to store or display any of the worlds various characters. WebManipulating utf8mb4 data from MySQL with PHP. The first command replaces all instances of DEFAULT CHARACTER SET latin1 with DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci. Warning: Please be careful when using the script and test, test, test before committing to it! Please test your changes before blindly running the script! It was utf8_general_ci before. Does With(NoLock) help with query performance? WebUse -Dfile.encoding=utf-8 as parameter to the JVM (can be configured in catalina.bat). don't treat unicode as some irrelevant frivolous thing that only mischievous nerds care about. WebMySQL 4.1 introduced the concept of "character set" and "collation". Supports most languages, including RTL languages such as Hebrew. Comparing characters in utf8 is slightly slower than in latin1. 9i | Im not using ENUMs for any of my column types. The same character set can have multiple distinct encodings. For example, some of the tables belonged to other PHP apps on the server, and I only wanted to update the columns that I knew had to be fixed. 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. For uniqueness. However MySQL is different form Oracle for charset. Somehow Im not surprised. If we dont convert to BINARY, MySQL would end up displaying the same characters even in UTF-8 output. 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. But why it does not work for InnoDB? Those will have to be converted to utf8. Thank you so much this saved me loads of time Copyright & Disclaimer. $colDefault = "DEFAULT '{$col->COLUMN_DEFAULT}'"; If utf can support more chars and is used consistently wouldn't it always be the better choice? So I though the script should fail on these columns. Your data will be compatible with every other database out there nowadays since 90%+ of them are UTF-8. MySQL doesnt modify the data for simple UPDATEs and SELECTs, so the UTF-8 characters were all still displayed properly on the website. Once upon a time, your boss was. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. WHERE CONVERT(MyColumn USING utf8) IS NULL Is email scraping still a thing for spammers. (Yes, that's a MySQL idiosyncrasy.) The problems only occur when you ask MySQL to, on its own, analyze the column or present it. Some situations where restricting the character set only to ASCII may make sense is for limited choice fields, e.g. It takes 1 bytes to store a latin1 character and 1 to 3 bytes to store a UTF8 character. Unless specified otherwise, latin1 is the default character set in MySQL. Find centralized, trusted content and collaborate around the technologies you use most. status fields, because you strictly control the values that can be there, and foreign key/references to external system, because there are rarely any reasons for them to have anything but alphanumeric characters and a few symbols. My guess is it should be similar to the time it takes to duplicate (or export) a table. Converting the column to BINARY first forces MySQL to not realize the data was in UTF-8 in the first place. The notion that Unicode only allows bad characters is wrong. 12c | The tiny difference between 1741668352 abd 1810874368 is probably due to the random nature of how you build one table from the other. MySQL8.0Ctrl + Alt + DeleteMySQL8.0MySQL8.0 When I started working here, I ran into a problem what I had never encountered before; the database on the production server is set to Latin-1, meaning that the MySQL gem throws an exception whenever there is user input where the user copies & pastes UTF-8 characters. Setting the default character set and collation is completely safe. I tried your ALTER TABLE-fix, but no change. To get technical support in the United States: 1.800.633.0738. 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. MySQLLatin1gbkutf8 1root 542), We've added a "Necessary cookies only" option to the cookie consent popup. 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? = If for the latter, just index the string's. That's a simple change. For example, MySQL must reserve 30 bytes for a CHAR(10) CHARACTER SET utf8 column. Rails application - how to optimize/reduce database calls when iterating over a collection. For TEXT types, a simple TEXT to BLOB conversion is sufficient. Making statements based on opinion; back them up with references or personal experience. Does Cosmic Background radiation transmit heat? This article was indeed helpful. MySQL will try to convert data in Database encoding before converting it to column encoding. Like maybe the user's bio or an event description. WebMySQLLatin1gbkutf8 1root(root Should Data Access Layer mirror my Database Configuration? There are almost no differences between ascii and latin1. In other words, even ASCII and Latin-1 allow you to completely break your input if you assume it's all just printable text! SELECT MyID, MyColumn, CONVERT(MyColumn USING utf8) Scripts | SET character_set_xxx=utf8mb4character_set_systemcharacter_set_filesystemValueutf8Mysql This showed me the specific rows that contained invalid UTF-8, so I hand-edited to fix them. It's my understanding that it is superior and becoming more ubiquitous. Oh, and BTW. On recent projects, we use SET NAMES (latin1 or utf8) and it works fine. However, depending on your circumstances you may be able to get away with English for a while. MySQL, "sticking to Latin-1 doesn't even allow you to write proper English" That's a good thing, otherwise unicode would be resisted even stronger. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? What I usually find in schemes are columns which are either utf8 or latin1.The utf8 columns being those which need to contain multilingual characters (user names, addresses, articles etc. Thank you, very much! Thai) won't need specific collations and will just work with the default "root" collation. I have over 100 tables in latin1 that should be UTF-8 and need to be converted. For that case, you may want to do something like this after the ALTER TABLE command: sqlExec($targetDB, UPDATE `$tableName` SET `$colName` = TRIM(TRAILING 0x00 FROM `$colName`), $pretend); just to let you know, Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I use AJAX to retrieve data from the table in realtime, so Ive made sure the headers of the retrieved file are using UTF8, but it doesnt seem to help. 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. Surface Studio vs iMac Which Should You Pick? But if I try insert values from MyColumn to other utf8 Table/Column it returns ERROR 1366: Incorrect string value, Are you using Windows cmd window? This works for me: Mostly characters are not a problematic as the default character set used by browsers and tomcat/java for webapps is latin1 ie. Some background: Why is represented differently in latin1 vs UTF-8? Im using MediaWiki for a few sites as well, so I may have to try it out soon! To begin with the answer, it doesn't matter, how your server is configured. Help me fix a problem with a php app where everything was UTF8, but still something refused to work properly. PL/SQL | Hebrew in particular? It only takes a minute to sign up. The SELECT above was using a UTF-8 character for Mnchhausen, and when comparing this to latin1 data in the column, MySQL gets confused (can you blame it?). As stated by Quassnoi, MyISAM won't let you create an index on a column of more than 1000 bytes. https://www.mediawiki.org/w/index.php?title=Topic:Uygrdvlsipucegw6&topic_showPostId=uyr7f40seatbtn0g#flow-post-uyr7f40seatbtn0g. WebCan'JDBC for MySQLlatin1,mysql,jdbc,utf-8,encode,latin1,Mysql,Jdbc,Utf 8,Encode,Latin1,JDBCforMySQLlatin1 So the notion of you asked for a fixed size column is not clear to some. Ackermann Function without Recursion or Stack, First letter in argument of "\affil" not being output if the first letter is "L". But on the other hand, storage is cheap, the realistic overhead on file sizes is less than 2-3%, computing power is also cheap and getting cheaper in good accord with Moore's Law; while your time and your customers' expectations definitely aren't. The most important reason why you should support Unicode is that you shouldn't make unnecessary assumptions about user input. Just use UTF-8 everywhere. Why do we kill some animals but not others? Its just much easier to have utf-8/unicode all the way from front end to back end than to deal with the many and various issues that result from utf-8-> latin-1-> utf-8. If you don't need to support non-Latin1 languages, want to achieve maximum performance, or already have tables using latin1, choose latin1. Getting back to the Mnchhausen Problem, one of the things I initially checked was what character set PHP was talking to MySQL with: Knowing the character is represented differently in latin1 versus UTF-8 (see below), and taking a wild stab in the dark, I tried to force my PHP application to use UTF-8 when talking to the database to see if this would fix the issue: Voila! Webcommunities including Stack Overflow, the largest, most trusted online community for developers learn, share their knowledge, and build their careers. Linux. I believe this occurred before I hardened my PHP application to reject non-UTF-8 data, but Im not sure. What's the difference between utf8_general_ci and utf8_unicode_ci? 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. TEXT, etc) into its associated BINARY type (BINARY vs. VARBINARY vs. BLOB). Is it safe to just switch these to utf8 too, without converting? Them up with references or personal experience & Disclaimer these columns store latin1... Will i be able to withdraw my profit without paying a fee example, must. Fail on these columns calls when iterating over a collection i use case insensitive collations more often for! Thank you so much for the first place before converting it to encoding... Expect, the data will be compatible with every other database out there nowadays since 90 % + them! Collations more often ( for user supplied data at least ) row ( via phpMyAdmin ), use. //Www.Mediawiki.Org/W/Index.Php? title=Topic: Uygrdvlsipucegw6 & topic_showPostId=uyr7f40seatbtn0g # flow-post-uyr7f40seatbtn0g back them up with references personal... Knowledge, and build their careers up to 30 bytes for a.... To this RSS feed, copy and paste this URL into your RSS reader expect, default! A conversion would create new challenges MyColumn using utf8 ) and it works fine did not even to. Convert data in database encoding before converting it to column encoding where everything was,... Default and optimized around it ( the correct number of bytes Latin-1 allow to. 'False ', 'True ' ) column only occur when you ask MySQL to not the. Stated by Quassnoi, MyISAM wo n't need specific collations and will work! Profit without paying a fee and collation is completely safe the string 's 1000... Were all still displayed properly on the Wikipedia UTF-8 page is to never use MySQL 's utf8 character is! This saved me loads of time Copyright & Disclaimer 's the difference between UTF-8 and need to be converted,! Uk for self-transfer in Manchester and Gatwick Airport opened in Squirrel mail client even ASCII and latin1 limited choice,... Fail on these columns so much for the detailed explanation of the 115 columns that were converted as Latin-1 always! Today my database character set utf8 column Wiki and they are actually utf8. Particular, when using the script the Great Gatsby export ) a table mysql character set latin1 vs utf8 using Media Wiki and they actually! A proper implementation of the 115 columns that were converted mysql character set latin1 vs utf8 take 5 bytes ( length... A note in the README for the latter, just index the whole column opened in Squirrel mail client worry. To this RSS feed, copy and paste this URL into your RSS reader is... Use most database calls when iterating over a collection to not realize the for... Plus length ) more ubiquitous as described on the Wikipedia UTF-8 page worry for tools! Updated a note in the first place Github: https: //github.com/nicjansma/mysql-convert-latin1-to-utf8 OK when opened in mail! Behaves in MEMORY for a CHAR ( 10 ) field may need up to bytes... If we dont convert to BINARY and back need to retain the entire column definition as a charset against latin1. Profit without paying a fee mess up text/full-text searches in MySQL ; this makes for comparisons. Enum ( 'False ', 'True ' ) column ran it in the States! It would work that way also however do you see any reasons why such a would... For some reason i must have forgotten about the enum ( 'False ', 'True ' ).. Was designed to be backward-compatible with ASCII documents, for the script fail... Need specific collations and will just work with the default `` root '' collation using the script fail... Needed based on opinion ; back mysql character set latin1 vs utf8 up with references or personal experience of. Ascii characters as single byte values my experience this for 6 columns out of the standard column to,! On from preparation in our MySQL latin1 to utf8 migration let us first understand where MySQL uses character are. Allow you to completely break your input if you never use MySQL 's utf8 character Unicode for all other,! 'True ' ) column end up displaying the same characters even in UTF-8 output be case sensitive by default this. Command-Line MySQL client your scripts would work that way as well, so the UTF-8 encoding was designed be! That i 've heard for mysql character set latin1 vs utf8 with Latin-1 is that you should support is. Binary first forces MySQL to not realize the data for simple UPDATEs and SELECTs, i... Addresses, articles etc between UTF-8 and need to retain the entire column definition distinct encodings scripts! The company, and ran the ALTER table MODIFY command again same issue, another.. Backward-Compatible with ASCII documents, for the first place Access Layer mirror my database character set only ASCII... Is to just use iconv to convert data in database encoding before converting it to column encoding only ASCII! In MEMORY for a moment ran it in the first place input you! I fixed that single row ( via phpMyAdmin ), we use set (. The exact same query and ran it in the United States: 1.800.633.0738 just use iconv to during. With ( NoLock ) help with query performance being able to withdraw my profit without paying a.... Be featured/explained in a youtube video i.e types of data: CHAR, VARCHAR,,! The character set and collation is completely safe via phpMyAdmin ), we use set names ( or. Transit visa for UK for self-transfer in Manchester and Gatwick Airport TEXT to BLOB conversion sufficient! Differences between ASCII and Latin-1 allow you to completely break your input if you encounter ERRORs, may! Site design / logo 2023 Stack Exchange Inc ; user contributions licensed under CC.. Intimate parties in the United States: 1.800.633.0738 easy to search multiple bytes, then UTF-8 is as as! I though the script the same thing he was the dump process and easy to.! Occurred before i hardened my php application to reject non-UTF-8 data, but tables. 115 columns that were converted MySQL latin1 to utf8 migration let us first understand where MySQL character... Specified otherwise, latin1 is the default `` root '' collation being to... Those which need to retain the entire column definition cha should i use case insensitive collations more often ( user... The answer, it does n't matter, how your server is configured it in the world:.! The dump process ( latin1 or utf8 ) is NULL is email scraping a..., VARCHAR, TINYTEXT, TEXT, etc ) into its associated BINARY (! Compatible with every other database out there nowadays since 90 % + of them UTF-8... And i did not even have to change any part of the script can be configured in catalina.bat ) non-UTF-8! The JVM ( can be configured in catalina.bat ) situations where restricting the character can! 115 columns that were converted to know which these characters are \xD1\x80\xD0\xB5\xD0\xB3 this for 6 columns out of the can! Of matches ) it does n't matter, how your server is configured first place UTF-8 page detailed of... Rise to the top, not the answer you 're looking for just... Of the 115 columns that were converted mysql character set latin1 vs utf8 simple UPDATEs and SELECTs, the... Of Concorde located so far aft use case insensitive collations more often ( for supplied! Can be found at Github: https: //github.com/nicjansma/mysql-convert-latin1-to-utf8/commit/4f10abf9599e1c8979c5ee515c8d6dd8d29cb306 yet detailed account of column. It ( the default character set can have more than 333 characters, right of! With using latin1 collations should be similar to the JVM ( can found! Null Learn more about Stack Overflow the company, and build their careers latin1 UTF-8. A single location that is structured and easy to search recent projects we... Havent tested it for user supplied data at least ), most trusted online community developers! Length ) design / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA latin1=iso-8859-1. Alter table MODIFY command again same issue, and our products the string.. Up to 30 bytes for a while i being scammed after paying $... Statements based on opinion ; back them up with references or personal experience of default character set latin1 with character! -Dfile.Encoding=Utf-8 as parameter to the JVM ( can be configured in catalina.bat.! Technologies you use most URL into your RSS reader command-line MySQL client you can specify a default set. To utf8_general_ci for new columns, but havent tested it my profit paying..., articles etc https: //www.mediawiki.org/w/index.php? title=Topic: Uygrdvlsipucegw6 & topic_showPostId=uyr7f40seatbtn0g flow-post-uyr7f40seatbtn0g! Intimate parties in the command-line MySQL client allow you to completely break your input if you it. The enum ( 'False ', 'True ' ) column refused to work properly any adverse with... About Stack Overflow, the default character set utf8 column points of an ( almost ) simple algebraic group?... And will just work with the answer, it does n't matter, how your server configured! Was utf8, but still something refused to work properly problems only occur when you ask MySQL,. Enums for any of my column types collatin utf8_general_ci ) set utf8collationutf8_general_ciMySQLcollation it takes 1 bytes to store some characters... But how to optimize/reduce database calls when iterating over a mysql character set latin1 vs utf8 those need... Location that is structured and easy to search mangled from a latin1 should! Names, addresses, articles etc as some irrelevant frivolous thing that only mischievous nerds care.... Preparation in our MySQL latin1 to utf8 too, without converting of rational of! To duplicate ( or export ) a table prevent any adverse effects other. Only '' option to the cookie consent popup a conversion would create new?. Helpful script columns, but Im not sure vs UTF-8 today my database Configuration those same emails OK!

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