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DEDECMS database Structure table name: Dede_addonsoft field description as follows: Table name: Dede_addonsoft (ENGINE=MYISAM/CHARSET=GBK) Description: Software attached table field name Description Description specific parameters typeid column ID smallint (5) unsigned not NULL DEFAULT ' 0 ', Officialdemo demo URL varchar not ...

If a computer manufacturer, its database holds machine and accessories product information. The table used to save the whole product information is called pc; the table used to save the parts supply information is called parts. There is a field in the pc table, used to describe the type of CPU used in this computer; there is a field in the parts table, the description of the CPU model, we can think of it as a list of all CPU models. Obviously, the CPU used by this manufacturer must be a model that exists in the supply information sheet. At this time, two tables ...

Recently in writing wormhole HBase plugin, you need to implement HBase reader and hbase writer respectively, when the test will be the following error: 2013-07-08 09:30:02,568 [Pool-2-thread-1] Org.apache.hadoop.hbase.client.hconnectionmanager$hconnectionimplementation.pr ...

Nutch Index Source Code Analysis (i) blog Category: Large data processing Research Nutchsolrhadoop index Nutch Integration Slor Index Method Introduction/** * indexing * @param solrurl SOLR web address * @param CRA WLDB Crawl db storage path: \crawl\crawldb ...

This is a use mysql php instance user registration code, is relatively simple, is to submit the html data submitted to the mysql database tutorial. * / include ('global.php'); if ($ _ post ['sub']) {$ user = $ _post ['username']; $ pwd = md5 ($ _ post ['p ...

DEDECMS database Structure table name: Dede_freelist field description as follows: Table name: Dede_freelist (ENGINE=MYISAM/CHARSET=GBK) Description: Free list field name description describes specific parameters Defaultpage Directory default page name varchar not NULL default ', listdir list HTML store directory varchar not NUL ...

DEDECMS database Structure table name: DEDE_MEMBER_TJ field description is as follows: Table name: DEDE_MEMBER_TJ (ENGINE=MYISAM/CHARSET=GBK) Description: Member Space Information table field name description Description specific Parameters album number of albums smallint (5) unsigned not null DEFAULT ' 0 ', info classified information number int (a) NOT null DEF ...

DEDECMS database Structure table name: Dede_addonimages field description is as follows: Table name: Dede_addonimages (ENGINE=MYISAM/CHARSET=GBK) Description: Diagram attached table field name Description Description specific parameter body The Atlas details mediumtext, typeid column ID smallint (5) unsigned not NULL DEFAULT ' 0 ', temp ...

Hive is a very open system, many of which support user customization, including: File format: Text file,sequence file in memory format: Java integer/string, Hadoop intwritable/text User-supplied Map/reduce script: In any language, use Stdin/stdout to transmit data user-defined functions: Substr, Trim, 1–1 user-defined poly ...

DEDECMS database Structure table name: Dede_payment field description is as follows: Table name: Dede_payment (ENGINE=MYISAM/CHARSET=GBK) Description: Payment interface Information table field name Description Description specific parameter code interface type varchar not NULL, cod &http://www.aliyun.com/zixun/aggregation/37954.htm ...

Today found that the deder MYSQL time field, are used `senddata` int (10) unsigned NOT NULL DEFAULT '0'; Then find this article online, it seems that if the time field is involved in the operation, int better, a To retrieve the field without conversion operations, directly for time comparison! Second, the efficiency is higher as described below. In the final analysis: int instead of the data type, more efficient. Environment: Windows XP PHP Versio ...

DEDECMS database Structure table name: Dede_shops_orders field description as follows: Table name: Dede_shops_orders (ENGINE=MYISAM/CHARSET=GBK) Description: Order Information table field name description describes specific parameter IP Log on IP char (not NULL), prices order price float (13,2) is not null DEFAULT ' 0.00 ', oid order ...

First, the importance of the index The index is used to quickly find a column in a particular value of the line. Instead of using an index, MySQL must start with the first record and then read the entire table until it finds the relevant row. The larger the table, the more time it takes. If the table in the query column index, MySQL can quickly reach a location to search the middle of the data file, there is no need to see all the data. Note that if you need to access most of the rows, sequential reads are much faster since we avoid disk searches. If you use Xinhua Dictionary to find "Zhang" the Chinese characters, do not use the directory, then ...

DEDECMS database Structure table name: Dede_feedback field description is as follows: Table name: Dede_feedback (ENGINE=MYISAM/CHARSET=GBK) Description: Comment 6184.html "> Data table field name description Specific parameter userhttp://www.aliyun.com/zixun/aggregation/11696.html ">name username ...

DEDECMS database Structure table name: Dede_sys_task field description as follows: Table name: Dede_sys_task (ENGINE=MYISAM/CHARSET=GBK) Description: Task plan table field name Description Description specific parameters Lastrun last run time int (a) unsigned not NULL DEFAULT ' 0 ', islock whether tinyint (1) unsigned not ...

DEDECMS database Structure table name: Dede_moneycard_record field description is as follows: Table name: Dede_moneycard_record (ENGINE=MYISAM/CHARSET=GBK) Description: Point card Generate table field name Description description The specific parameter num number int (one) not null default ' 0 ', the money price int (one) not null default ' 0 ' ...

DEDECMS database Structure table name: Dede_co_note field description is as follows: Table name: Dede_co_note (ENGINE=MYISAM/CHARSET=GBK) Description: Acquisition node table field name description describes specific parameters uptime acquisition time Int ( Unsigned not NULL DEFAULT ' 0 ', Pnum &http://www.aliyun.com/zixun/agg ...

DEDECMS database Structure table name: Dede_addonshop field description is as follows: Table name: Dede_addonshop (ENGINE=MYISAM/CHARSET=GBK) Description: Product additional table field name Description Description specific Parameters Body Product introduction Mediumtext, typeid column ID smallint (5) unsigned not NULL DEFAULT ' 0 ', Templet custom ...

DEDECMS database Structure table name: Dede_member_feed field description is as follows: Table name: Dede_member_feed (ENGINE=MYISAM/CHARSET=GBK) Description: Member Dynamic table field name Description Description specific Parameters Note log Char not NULL, uhttp://www.aliyun.com/zixun/aggregation/11696.html ...

DEDECMS database Structure table name: dede_co_htmls field description is as follows: Table name: DEDE_CO_HTMLS (ENGINE=MYISAM/CHARSET=GBK) Description: Acquisition Information table field name Description Description specific parameters typeid column ID smallint (5) unsigned not null DEFAULT ' 0 ', isexport export tinyint (1) NOT null D ...