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18 sty 2012 · If you want to change the table default character set and all character columns to a new character set, use a statement like this: ALTER TABLE tbl_name CONVERT TO CHARACTER SET charset_name; So query will be: ALTER TABLE etape_prospection CONVERT TO CHARACTER SET utf8;
Select the complete database or pick tables to convert, tick Change default collation: utf8mb4_general_ci ; tick Convert to charset: utf8; Execute. This converts complete database from latin to utf8 in just a few seconds. Works like a charm :)
Convert a value to a DATE datatype: SELECT CONVERT("2017-08-29", DATE); Try it Yourself » Definition and Usage. The CONVERT () function converts a value into the specified datatype or character set. Tip: Also look at the CAST () function. Syntax. CONVERT (value, type) OR: CONVERT (value USING charset) Parameter Values. Technical Details.
24 gru 2016 · SELECT CAST('2016-12-4' AS DATE);--> 2016-12-04, so you don't need str_to_date. I would add a new column for the date (ALTER TABLE .. ADD COLUMN ..); UPDATE to set the new column. Then manually fix any really messed up values. Finally DROP COLUMN and RENAME COLUMN; ORDER BY a VARCHAR that contains a date in it may lead wrong answers. (Jan and ...
Convert to Date. The first syntax for the MySQL CONVERT function allows you to convert a value from one datatype to another datatype. Let's look at how to use the CONVERT function to convert a value to a DATE type. For example: mysql> SELECT CONVERT('2014-02-28', DATE); Result: '2014-02-28'
25 sty 2024 · In this tutorial, we will explore how to change the character set and collation of tables in MySQL 8. We will cover the concepts of character set and collation, reasons why you might need to change them, and give code examples ranging from basic to advanced, to guide you through the processes.
The first step is to convert the column to a binary data type, which removes the existing character set information without performing any character conversion: ALTER TABLE t MODIFY col1 BLOB; The next step is to convert the column to a nonbinary data type with the proper character set: ALTER TABLE t MODIFY col1 CHAR(50) CHARACTER SET sjis;
