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- #MYSQL CREATE DATABASE UTF8 EXAMPLE INSTALL#
- #MYSQL CREATE DATABASE UTF8 EXAMPLE FULL#
- #MYSQL CREATE DATABASE UTF8 EXAMPLE CODE#
- #MYSQL CREATE DATABASE UTF8 EXAMPLE PASSWORD#
You can think of a collation as a canonical representation of an encoding for comparison and sorting.įor example, the collation latin1_german1_ci represents “Köhntopp” internally as “kohntopp” and uses this internal representation to compare it to other strings or sort it. If you have two character sequences and want to compare or sort them, you need a set of comparison and ordering rules, a collation.
#MYSQL CREATE DATABASE UTF8 EXAMPLE CODE#
Has the code point 0x00F6, which is being represented as C3 B6 in utf8 encoding.Ġ0000000 4b f6 68 6e 74 6f 70 70 0a |K.hntopp.| The Text “Köhntopp” is being represented as the byte sequence 4b c3 b6 68 6e 74 6f 70 70. To be able to use symbols with computers they need a binary representation of their code point, an encoding. For example is this here: “ ö” a letter “ö” in Arial, and “ ö” the same thing in a different font, Times New Roman. To be able to print symbols they need a shape, which is defined in a Font. And, if it is legal, what position the symbol in the character set has (the code point). The only thing you can do with a character set is decide if a specific symbol is legal within a context or not. That is a completely abstract thing, and also almost useless. Symbol, Font, Encoding and Collation - what do they even mean?Ī character set is a collection of symbols that belong together. It is likely still incomplete, and will need information added to match current MySQL, but hopefully it is already useful.
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That is all that that means.This is the updated and english version of some older posts of mine in German. Note that the GRANT USAGE that you will always see means simply that the user may login.
#MYSQL CREATE DATABASE UTF8 EXAMPLE PASSWORD#
| GRANT USAGE ON *.* TO IDENTIFIED BY PASSWORD '*B04E11FAAAE9A. | GRANT ALL PRIVILEGES ON `baseball`.* TO | | GRANT USAGE ON *.* TO IDENTIFIED BY PASSWORD '*E6531C342ED87.
#MYSQL CREATE DATABASE UTF8 EXAMPLE FULL#
Grant rights to user John123 to have full privileges on the Baseball database, and just SELECT rights for the other user: GRANT ALL ON Baseball.* TO SELECT ON Baseball.* TO the above: SHOW GRANTS FOR Grants for | Work with permissions for users and databases. Note that at this point, the users have been created, but without any permissions to use the Baseball database. Show that the users have been created by examining the special mysql database: SELECT user,host,password from er where user in ('John123','John456') The Password for the user is set to 'OpenSesame' which is hashed.Īnd create another: CREATE USER IDENTIFIED BY 'somePassword'
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The above creates a user John123, able to connect with any hostname due to the % wildcard. The above shows the default CHARACTER SET and Collation for the database.Ĭreate a user: CREATE USER IDENTIFIED BY 'OpenSesame' Set the currently active database, and see some information: USE Baseball - set it as the current database See your current databases: SHOW DATABASES | Baseball | CREATE DATABASE `Baseball` /*!40100 DEFAULT CHARACTER SET utf8 */ | For example: CREATE DATABASE Baseball CHARACTER SET utf8 COLLATE utf8_general_ci One can create a database with a default CHARACTER SET and collation. Similarly, DROP DATABASE IF EXISTS Baseball - Drops a database if it exists, avoids Error 1008ĭROP DATABASE xyz - If xyz does not exist, ERROR 1008 will occurĭue to the above Error possibilities, DDL statements are often used with IF EXISTS. To get around this error, try: CREATE DATABASE IF NOT EXISTS Baseball If the database already exists, Error 1007 is returned. CREATE DATABASE Baseball - creates a database named Baseball Note that the shortened word SCHEMA can be used as a synonym. Stored routines (procedures and functions)Ĭreate a DATABASE.Recover and reset the default root password for MySQL 5.7+.JOINS: Join 3 table with the same name of id.
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#MYSQL CREATE DATABASE UTF8 EXAMPLE INSTALL#