Database Table Structure

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Optimization method of database structure

Absrtact: The optimization of database has always been an important problem to be addressed in the operation of many large websites. For example, at the end of March 2012, I have participated in the development of a province's provincial government information public release system, after 4 months of functional development and testing of the database optimization has been a lot of large-scale web site operation must be addressed in the important issues. For example, at the end of March 2012, I have participated in the development of a province's provincial government information public release system, after 4 months of functional development and testing, the system officially online, because the system uses ...

On the structure optimization of database

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall The optimization of the database has been an important problem that many large web sites have to deal with during operation. For example, at the end of March 2012, I have participated in the development of a province's provincial government information public release system, after 4 months of functional development and testing, the system officially online, because the system is ...

DEDECMS database Structure table name: Dede_channeltype

DEDECMS database Structure table name: Dede_channeltype field description is as follows: Table name: Dede_channeltype (ENGINE=MYISAM/CHARSET=GBK) Description: Custom model (channel) table field name description describes specific parameters Sendrank support submission member level smallint (6) Not NULL DEFAULT ' ten ', needpic need thumbnail tinyint (1) N ...

DEDECMS database Structure table name: Dede_advancedsearch

DEDECMS database Structure table name: Dede_advancedsearch field description is as follows: Table name: Dede_advancedsearch (ENGINE=MYISAM/CHARSET=GBK) Description: Advanced search Field Name Description Description specific parameters Forms form Text, addonfields append table field text, maintable primary table varchar (256) not NULL DEFA ...

DEDECMS database Structure table name: dede_diyforms

DEDECMS database Structure table name: Dede_diyforms field description is as follows: Table name: Dede_diyforms (ENGINE=MYISAM/CHARSET=GBK) Description: Custom form 6184.html > Data table field name Description description The specific parameter Diyid the custom form ID int (a) unsigned not NULL auto_increment, viewtemplate ...

DEDECMS database Structure table name: Dede_member_model

DEDECMS database Structure table name: Dede_member_model field description is as follows: Table name: Dede_member_model (ENGINE=MYISAM/CHARSET=GBK) Description: Member Model table field name Description Description specific Parameters info Content text NOT NULL, whether state enables INT (2) NOT null DEFAULT ' 0 ', description model describes v.

mysql alter modify the name of the table structure to increase the column

ALTER alter alter the name of the table structure of the name of the table ALTER TABLE ALTER TABLE ALTER TABLE statement is used to add, modify or delete columns in the existing table. sql alter table syntax To add a column to a table, use the following syntax: alter table table_name add column_name datatype To delete a column in a table, use the following syntax: alter table table _...

DEDECMS database Structure table name: dede_member_msg

DEDECMS database Structure table name: Dede_member_msg field description is as follows: Table name: dede_member_msg (ENGINE=MYISAM/CHARSET=GBK) Description: Member Mood table field name description describes specific parameters Ischeck Audit smallint (6) NOT null DEFAULT ' 0 ', msg content text, IP logon IP char (NOT NULL ...)

DEDECMS database Structure table name: dede_member_operation

DEDECMS database Structure table name: Dede_member_operation field description is as follows: Table name: Dede_member_operation (ENGINE=MYISAM/CHARSET=GBK) Description: Member Product consumption information table field name Description describes the specific parameters oldinfo operation varchar NOT NULL, product varchar (a) NOT NULL, ph ...

DEDECMS database Structure table name: Dede_member_pms

DEDECMS database Structure table name: Dede_member_pms field description as follows: Table name: Dede_member_pms (ENGINE=MYISAM/CHARSET=GBK) Description: Member Information Send table field name description describe specific parameters Hasview Read status tinyint (1) unsigned not NULL DEFAULT ' 0 ', floginid sender varchar not ...

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