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Five ways to change MySQL database name:
The code is as follows
Copy Code
1. RENAME DATABASE db_name to New_db_name
This one.. This syntax is added to the MySQL 5.1.7, 5.1.23 and removed.It is said that it is possible to lose data. It's better not to use it.
It's simple, just a
1. Add a new column to the existing table in the database Statement:altertable name add column name type Example:alter MyUser ADD Userdesc VARCHAR(+);2. Name the rename in the existing tables in the database Statement:altertablecolumn to new columns
MySQL command rename tables rename table syntax
RENAME TABLE tbl_name to new_tbl_name[, tbl_name2 toNew_tbl_name2,...]Renaming is performed atomically (atomically), which means that when the
Using rename table in MySQL to quickly and efficiently RENAME a database (schema)
Once a new database (schema) is created in MySQL, it cannot be renamed, therefore, if you need to rename a database, the general practice is to dump
Rename the column name and table name in oracle directly in pl/SQL and then in oem, however, you may not be able to change the lower-case table name to the upper-case table
Mysql Command rename table syntax
Rename table tbl_name TO new_tbl_name [, tbl_name2New_tbl_name2,...]Renaming is performed in atomic mode (atomically), which means that the table cannot be modified by any other thread when the r
MySQL table to move to another DB, table renamed, two table to swap names, etc., How to do?
How to move and rename a Table in MySQL
Commands are all used
Tags: new nbsp concat DDL rom Dictionary simple table creatThe current MySQL once created a new library (schema) can not be renamed it, so if you need to rename a library to the general practice is to dump the data in the target library to import the new library to rename, in the M
Label:MySQL command renaming tables rename table syntaxRENAME TABLE tbl_name to new_tbl_name[, tbl_name2 toNew_tbl_name2,...]Renaming is performed atomically (atomically), which means that when renaming is running, no other thread will be able to make the table. This makes it possible to replace a
17:39:37 |
+---------------------+---------------------+
3 Rows in Set (0.00 sec)
At this point we can delete the original mytime table
mysql> drop table mytime;
Query OK, 0 rows Affected (0.00 sec)
We can also use a special SQL statement to implement. That is the Rename command, as follows:
MySQL table name and other case sensitive issues: http://blog.csdn.net/postnull/article/details/72455768;1 MySQL under Linux database name, table name, column
The application of Windows under the deployment of Linux, using the features of the Quartz cluster, so built the MYSQL intermediate table, a start to see the error:invocation of Init method failed; nested Exception is Org.quartz.JobPersistenceException:Couldn ' t retrieve trigger:table ' unmijob. Qrtz_triggers ' doesn ' t exist [see nested Exception:com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException:
Sys.schemas B on a.uid=b.schema_id WHERE objectproperty ( Id,n ' isusertable ') = 1 and a.name Field (Columns) name in Query data table (Tables):SELECT * from Dbo.syscolumns WHERE id=object_id (N ' [production].[ Product] ') ORDER by colidOrSelect name from syscolumns Where id=object_id (' Tname ')Mysql:Query Database (Databases)
Tags: LTE modify change div Add char class weight font Alter TableTest rename test1;--Modify Table name
Alter TableTestAdd columnNamevarchar(Ten);--Adding table Columns
Alter TableTestDrop columnName--Delete a table column
Alter TableTest Modify AddressChar(Ten)--modify
table with my_table and MY_TABLE:
Mysql> SELECT * FROM my_table WHERE MY_TABLE.col = 1;
Column names and column aliases are case-insensitive in all cases.
Table aliases are case sensitive. The following query will not work because it uses a and A to reference aliases:
Mysql> SELECT col_name FROM tbl_name AS a WHERE a.
How does db2 rename a table ?, How does db2 rename a table?How does db2 rename a table?
Set The current schema: db2 => set schema db2adminDB20000I The SQL command completed successfully. if the command contains schema, the follow
MySQL table name case sensitivity problem bitsCN.com
MySQL table names/column names are case sensitive. in MySQL, databases and table pairs are stored in directories and files under tho
a and A to reference aliases:
Mysql> SELECT col_name FROM tbl_name AS a WHERE a. col_name = 1 or a. col_name = 2;
If it is difficult to use uppercase or lowercase letters in the memory database and table name, we recommend that you use the same conventions. for example, you can always use lowercase letters to create databases and tables.
Another way to avoid thi
Method One: Use SQL statement to modify MySQL database table prefix name
The first thing we think of is to use SQL query statements to modify, this method is also very convenient, just enter the phpMyAdmin, in the Run SQL query box to enter the following name on it.
ALTER table
] Col_nameor drop PRIMARY keyor DROP index index_nameor rename [as] New_tbl_nameor table_optionseg
To modify the database structure:Add fields:
ALTER TABLE dbname add column
To modify a field:
ALTER TABLE dbname change
To delete a field:ALTER TABLE dbname drop column
Instance action:
>create
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