What are collation rules?
The collation specifies the bit pattern that represents each character. It also specifies the rules for sorting and comparing characters. Collations have the following characteristics:
Language
Case sensitive
Accent
There are a lot of basic commands in MySQL, and the show command is one of them, and it's easy to confuse the use of SHOW commands among many users, and this article brings together the many uses of the show command.
A. Show tables or show tables
Show tables or show tables from database_name; Displays the names of all tables in the current database tutorial
show databases; Displays the names of all the databases in the MySQL tutorial
Show columns from table_name to database_name; or show
oracle| Objects | data | database procedures and functions
Procedures and functions are stored in the database in a compiled form, and functions can have more than one parameter and have a return value without parameters. The procedure has 0 or
Brief introduction
Today's applications are often designed for international use. These applications may need to handle strings in different languages. Unicode is a language-independent character representation standard.
Because the Java
There are a lot of basic commands in MySQL, and the show command is one of them, and it's easy to confuse the use of SHOW commands among many users, and this article brings together the many uses of the show command.
A. Show tables or show tables
first, the basic operation of the databaseshow databases; List databasesUse database_name; Using the database_name databaseCreate Database Data_name; To create a database named Data_nameDrop database data_name; Delete a database named Data_name:Use
Show tables or show tables from database_name;Explanation: Displays the names of all tables in the current databaseshow databases;Explanation: Displays the names of all databases in MySQLShow Processlist;Explanation: Displays all the processes that
There is a project deployed to the server, the log is always prompted to find the table.Originally Linux under MySQL default to table name is case-sensitive.Workaround:One, the specification code, the table name all uppercaseSecond, modify the MySQL
Create a databaseThe CREATE DATABASE statement is used for creating databases in MySQL.
Before creating a database, we first need to connect to the database server
Header // prevent Chinese garbled characters
A.ShowTables orShowTables from database_name; --Displays the names of all tables in the current databaseB.ShowDatabases --DisplayMySQLIn all name of the database C. show columns from table_name from database_name; or Show columns from
There are a lot of basic commands in MySQL, and the show command is one of them, and it's easy to confuse the use of SHOW commands among many users, and this article brings together the many uses of the show command.A. Show tables or show tables
Database and table names are case insensitive in Windows, and are case sensitive on most types of Unix systemsThe Windows version of MySQL defaults to the case of the OS, even if there is a distinction in SQL, the import will be converted to
Show tables or show tables from database_name; Explanation: Displays the names of all tables in the current database Show Databases Explanation: Displays the names of all databases in MySQL shows processlist; Explanation: Displays all
This article mainly introduces the main usage of the show command in MySQL database
A. Show tables or show tables from database_name; --Displays the names of all tables in the current database.
B. show databases; --Displays the names of all
Show tables or show tables from DATABASE;
Explanation: Displays the names of all tables in the current database
Show DATABASES;
Explanation: Displays the names of all the databases in MySQL
Show Processlist;
Explanation: Displays all processes
A.ShowTables orShowTables from database_name; --Displays the names of all tables in the current databaseB.ShowDatabases --DisplayMySQLName of all databases inC.ShowColumns from table_name to database_name; OrShowColumns from Database_name.table_name;
Steps to build a library manuallyStep 1:specify an Instance Identifier (SID) (specifies an identifier SID for an instance)Step 2:ensure that the Required environment Variables is set (confirm setting of environment variable)Step 3:choose A Database
Reprint Address: http://blog.csdn.net/xlxxcc/article/details/51754524MySQL5.7 default mode is: Information_schema, with 61 tables, M ysql, with 31 tables, Performance_schema, with 87 tables; SYS, with 1 tables and 100 views.The information_schema
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