oracle sql loader example

The following experiment shows a TXT text file. Based on this text file, use SQL * loader to create an external table. 1. Create a control file [Oracle @ vmoel5u4 ~] $ VI car. ControlLoad dataInfile 'car.txt'Badfile 'car. bad'Discardfile 'car. Discard'AppendInto Table car_info_testFields terminated ","Trailing nullcols(Maker,Model,No_cyl,First_built_date 'yyyy/MM

Usage Scenario: When you need to access data from another SQL Server database from an Oracle database, Oracle provides a tool: gateways. With this tool, you can create dblink to connect to SQL Server or a different company's database----depending on the options you install. After you install gateways, you can create d

Use this SQL statement Select*FromTree View the raw data as follows: The following figure shows the result of a tree query (including the fields ROOT, LEVEL, IS_LEAF, and PATH ): Execute the following SQL statement: SelectConnect_by_root (child_col) root,Level, Decode (connect_by_isleaf, 0,'No', 1,'Yes') Is_leaf, sys_connect_by_path (child_col,'/') Path FromTree StartWithParent_colIsNullConnectByP

SQL loader data import problems encountered when using oracle SQL loader tool to import data, the specific shell script is as follows: 01 #! /Bin/bash02 03 04 export LANG = zh_CN.GBK05 export NLS_LANG = export ORACLE_BASE =/u01/oracle07 export ORACLE_HOME =/u01/oracle08 09 1

SQL loader can smoothly import data stored in text format to the oracle database,It is a convenient and common tool for data migration between different databases.The disadvantage is that the speed is relatively slow, and it is a little troublesome for blob and other types of data.Usage: SQLLDR keyword = value [, keyword = value,...]Valid keywords:Userid --

Problem Description:Oracle uses PL/SQL developer to export data to CSV format, VARCHAR2 Type field if the value (for example, 3307830000004059) is too long, the CSV file is represented in scientific notation, even if the column is selected, click Data--. > columns, fixed width, column data format select text, and the last one will still be set to 0.Workaround:Oracle uses PL/

How should I write SQL recursive statements in oracle databases? The following is an example of using SQL recursive statements in oracle for your reference. Example: Pid idA BA cA eB b1B b2C c1E e1E e3D d1Specify pid = a and selec

Explain the SQL syntax example of the most efficient paging query in ORACLE, oraclesql -- 1: no order by statement. (Most efficient) -- (After testing, this method has the lowest cost. Only one layer is nested, and the speed is the fastest! Even if the queried data volume is large, it is almost unaffected and the speed is still high !) SELECT * FROM (select rown

Tags: Select Eve Example-STAT exp Duplicate loader ETHWhen using DataStage development, you encounter an error: Sql*loader-951:error Calling Once/load initialization Ora-00604:error occured at recursive SQL level 1 Ora-00054:resource busy and acquire with NOWAIT specified Mo

Objective: To import txt data to a database table Step 1: scott creates an empty table createtablefamily (idnumber (10), namevarchar (20), salnumber (20 ), totalnumber (30); Step 2: Create a txt data file: vioracleinput.txt 1, clark, saber Objective: To import txt data to a database table Step 1: scott creates an empty table create table family (id number (10), name varchar (20 ), sal number (20), total number (30); Step 2: Create a txt data file: vi/oracle