Advantages of SPFILE over pFile in Oracle?

SPFILEs provide the following advantages over PFILEs:

An SPFILE can be backed-up with RMAN (RMAN cannot backup PFILEs)
Reduce human errors. The SPFILE is maintained by the server. Parameters are checked before changes are accepted.
Eliminate configuration problems (no need to have a local PFILE if you want to start Oracle from a remote machine)
Easy to find - stored in a central location

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Sample : String Reverse In Java

import java.io.*; class test { public static void main(String args[]) { DataInputStream in=new DataInputStream(System.in); try { String text; System.out.println("\nEnter The Text"); text=in.readLine(); System.out.println("\nIn Reverse Order::\n"); for(int i=text.length()-1;i>=0;i--) { System.out.print(text.charAt(i)); } ...

How to use DDL or DML within PL/SQL Block

SET SERVEROUTPUT ON DECLARE TBSTMT VARCHAR2(2000):='CREATE TABLE DEMO (ID NUMBER,MSG VARCHAR2(20))'; BEGIN EXECUTE IMMEDIATE TBSTMT; END;

Using GREP in UNIX

How To Use grep Command In Linux / UNIX by VIVEK GITE on AUGUST 2, 2007 · 147 COMMENTS H ow do I use grep command in Linux? grep command searches the given file for lines containing a match to the given strings or words. By default, grep prints the matching lines. Use grep to search for lines of text that match one or many regular expressions, and outputs only the matching lines. The name, "grep", derives from the command used to perform a similar operation, using the Unix/Linux text editor ed: g/re/p grep command syntax grep 'word' filename grep 'string1 string2' filename cat otherfile | grep 'something' command | grep 'something' Use grep to search file Search /etc/passwd for boo user: $ grep boo /etc/passwd You can force grep to ignore word case i.e match boo, Boo, BOO and all other combination with -i option: $ grep -i "boo" /etc/passwd Use grep recursively You can search recursively i.e. read all files under each ...

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