sql command

Conventional path Export and direct path

Export provides two methods for exporting table data: Conventional path Export Direct path Export Conventional path Export uses the SQL statement to extract data from tables. Data is read from disk into a buffer cache, and rows are transferred to the ...

exp with export conditions

[Oracle @ node1 ~] $ exp atyu30/atyu30 tables = TASK_INFO query = 'id <20000' file = element_news_info.dmp Export: Release 10.2.0.4.0 - Production on Tue Apr 13 00:20:15 2010 Copyright (c) 1982, 2007, Oracle. All rights reserved. Connected ...

Oracle sqlplus formatting of data

spool had a good use, but formatted data, not very familiar with the set command, so the Internet is the next in this note are: SQL> set colsep ''; / / - domain output separator SQL> set newp none / / set check out how many pages of dat ...

oracle create tasks (to)

rn rn http://www.cnblogs.com/tohen/archive/2008/11/17/1335186.html rn First, create a PLSQL table: rn create table HWQY.TEST (CARNO VARCHAR2 (30), CARINFOID NUMBER) rn rn rn Second, create a PLSQL stored procedure: rn create or replace procedure pro_ ...

ORACLE SPOOL Usage Summary

On SPOOL (SPOOL is SQLPLUS command, not the things inside the SQL syntax.) SPOOL data for SQL, the best definition to its own format, to facilitate the direct import procedures, SQL statements such as: select taskindex ||'|'|| commonindex ||& ...

oracle export tools spool

On SPOOL (SPOOL is SQLPLUS command, not the things inside the SQL syntax.) SPOOL data for SQL, the best definition to its own format, to facilitate the direct import procedures, SQL statements such as: select taskindex ||'|'|| commonindex ||& ...

Oracle SQL optimization principles (pick)

When people in the use of SQL in a misunderstanding sometimes, that is too much focus on the result SQL is correct, the neglect of the realization of the different methods that may exist between the differences in performance, in particular the state ...

Oracle Timing task

First, create a PLSQL table: create table HWQY.TEST ( CARNO VARCHAR2 (30), CARINFOID NUMBER ) Second, create a PLSQL stored procedure: create or replace procedure pro_test AS carinfo_id number; BEGIN select s_CarInfoID.nextval into carinfo_id from du ...

Oracle regular tasks

First, create a PLSQL table: create table HWQY.TEST ( CARNO VARCHAR2 (30), CARINFOID NUMBER ) Second, create a PLSQL stored procedure: create or replace procedure pro_test AS carinfo_id number; BEGIN select s_CarInfoID.nextval into carinfo_id from du ...

Oracle Database Exp / Imp tools for performance tuning

Abstract: Oracle Exp / Imp instrument is a simple, convenient and flexible backup and restore data transfer tool, it can implement the entire class library, user-level, table-class data backup and recovery. For the amount of data in class G or G with ...

oracle large amounts of data import and export

In the volume of data in oracle with sqlplus export the spool is achieved. Bulk import of data is achieved through sqlload. Export large amounts of data are as follows: /*************************** * Sql script part of the demo.sql begin ************ ...

ORACLE sqlplus set command

set colsep ''; //##-- domain output separator set echo off; //##-- show start startup script for each sql command, the default is on set feedback off; //##-- echo sql commands in this number of records processed, the default is on set heading ...
Recent
Recent Entries
Tag Cloud
Random Entries
Latest Comments