文本文件导入到数据库中的几种方法（Several methods of importing text files into databases）.docVIP

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文本文件导入到数据库中的几种方法（Several methods of importing text files into databases）.doc

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文本文件导入到数据库中的几种方法（Several methods of importing text files into databases）

文本文件导入到数据库中的几种方法（Several methods of importing text files into databases） Generate the SQL script directly into the Excel to import data: = insert, into, income1 (WORKER_ID, NAME, INCOME, DEPARTMENT, YEAR), values ( A2 , , B2 , , C2 , , D2 , to_date (), E2, yyyy); A2 is the A2 cell of the excel table. If the field in the database is a string, a single quotation mark A2 is added Several methods of importing text files into databases 2004-11-19 11:05:44 The original San Feng Jie Large database development often encountered in the data source is a flat file (such as text files) for such a situation, the data source, the database cannot be used to carry on the effective management of data, also cannot use the SQL statement to query and operate on it, so it is urgent that these will guide the flat file Into the database, and then it can be highly efficient operation. Here are some common data import methods, hoping to inspire everyone. In addition, the database involved in this article is ORACLE database, in fact, for other databases, the method is similar. One, Sql*: Loader This method is one of the most important methods for data import under the Oracle database, which is provided by the Oracle client, The basic principle is: first, according to the data source file to produce a control file, control file is used to explain how to parse the source file, which includes the source file format of the target database, field information, a typical control file for the following form: LOAD DATA INFILE/ora9i/fengjie/agent/data/ipaagentdetail200410.txt TRUNCATE INTO TABLE fj_ipa_agentdetail Fields terminated, Trailing nullcols (AGENT_NO char, AGENT_NAME char, AGENT_ADDRESS char, AGENT_LINKNUM char, AGENT_LINKMAN char ) Among them, the INFILE/ora9i/fengjie/agent/data/ipaagentdetail200410.txtspecified to import the source files, but source files can also be directly through the command line input, fj_ipa_agentdetail as the name of the table, fields terminated, refers to the field