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The REPLACE statement returns a count to indicate the number of rows affected. This is the sum of the rows deleted and inserted. If the count is 1 for a single-row REPLACE, a row was inserted and no rows were deleted. If the count is greater than 1, one or more old rows were deleted before the new row was inserted.
- 14.8.3 Character Set and Collation of Function Results - MySQL
The REPLACE() function, unlike all other functions, always...
- 14.8.3 Character Set and Collation of Function Results - MySQL
The REPLACE() function, unlike all other functions, always ignores the collation of the string input and performs a case-sensitive comparison. If a string input or function result is a binary string, the string has the binary character set and collation.
MySQL determines the character set and collation of a character string literal in the following manner: If both _charset_name and COLLATE. collation_name are specified, character set charset_name and collation collation_name are used. collation_name must be a permitted collation for charset_name.
18 sie 2010 · character_set_system is always utf8. This won't affect existing tables, it's just the default setting (used for new tables). The following ALTER code can be used to convert an existing table (without the dump-restore workaround): ALTER DATABASE databasename CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
25 lip 2016 · 1) The first: If you can control ssh server. Please update mysql version. Your mysql too old. Maybe < 5.5.3. 2) The second: If you can't access ssh. Try to export your database with Mysql version 4.0. With command line mysqldump --compatible=mysql40 -u user -p DB > dumpfile.sql.
18 lut 2014 · The actual issue lies in command used to create the DB as it takes DEFAULT CHARACTER as an argument and if that is not passed while execution a default character set is passed which is not utfmb4. Below are the steps that I followed to fix it:
12 lis 2024 · This is the MySQL Reference Manual. It documents MySQL 8.0 through 8.0.41, as well as NDB Cluster releases based on version 8.0 of NDB through 8.0.41, respectively. It may include documentation of features of MySQL versions that have not yet been released.
