rename table name in mysql

one before deletion.TRUNCATE TABLE T1; Large amount of data, deleted faster than the previous one, and directly from zero,Auto_increment says: self-incrementPrimary key means: constraint (cannot be repeated and cannot be empty); Accelerated Lookup6. Library operation(1) View databaseshow databases;Show CREATE Database db1;Select Database ();(2) Select databaseUse database name(3) Deleting a databaseDROP da

Add a column with a specified position to the MySQL table, and specify a position in the mysql table. ALTER TABLE test ADD COLUMN id INT UNSIGNED NOT NULL auto_increment PRIMARY KEY FIRST Adding columns to a table is a common ope

key partitioning to produce a composite sub-partition.Hash partitionA partition that is selected based on the return value of a user-defined expression that is evaluated using the column values of those rows that will be inserted into the table. This function can contain any expression that is valid in MySQL that produces a non-negative integer value.To use a hash partition to split a

whether the table name contains a prefix to modify - if($old _pre$old _pre==substr($old _tablename, 0,$length)) - { - $new _tablename=$new _pre.substr($old _tablename,$length); in Echo"ALTER TABLE" {$old _tablename} ' RENAME to ' {$new _tablename}`; \n\r "; - } to + } - Echo"--; the *

Introduction to the development of a temporary MySQL table and a temporary dstatmysql table monitoring plug-in bitsCN.com Temporary table features Related parameters Mysql> show global variables like '% table_size '; + rows + ---------- + | Variable_name | Value | + rows + -

I did not pay too much attention to the table name when designing the database. I designed a user, order, and modify table. I think there is no problem, you can find a problem only when using exported SQL to generate a database. These table names are highlighted, and they are defined in the system. The SQL statement

front and back ends ). To solve this problem, I have made repeated debugging and expanded the dynamic data table model support for Yii. a simple table name can be used as a common data table model, of course, there is no data verification. Even so, it brings great convenience to data display. If you have any problems

In the case that the NavicatforMySQL tool is sensitive to lowercase letters, the name of the table below will become smaller. how can I change the value back to uppercase? Navicat (1) problem description 1. after the table name has been modified in Navicat for mysql, the

possible last year. With the new features of MySQL 5.7, we are looking for DDL operations that do not lock tables, such as table optimization and index rename. (More info) For Mysql5.6 users, it is recommended that you review the Number Matrix to familiarize yourself with the changes made outside of MYSQL. The good ne

Common MySQL table operations: bitsCN.com Common MySQL table operations View column: desc table name; modify table name: alter

clause. In order to do so, specify the old and new column names and the current types of columns. For example, to rename an integer column, from A to B, you can do this: Copy Code code as follows: mysql> ALTER TABLE T1 change a b INTEGER; If you want to change the type of the column rather than the name