System variables

Variable Name: Path
Variable value: ;C:\Program Files\Java\jdk1.6.0_14\bin

User Variables For Admin

Variable Name: CLASSPATH
Variable value: .;C:\Program Files\Java\jdk1.6.0_14\lib\tools.jar

Then find path in system variables.Edit and add the console path eg ;C:\Program Files\MySQL\MySQL Server 5.5\bin\mysql.exe

Then click ok.

Then you can open mysql using run in windows  by  typing

mysql -u root -p

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]]> http://cresignsys.in/blog/jquery-feature-carousel/feed/ 0 http://cresignsys.in/blog/path-setting-in-windows-for-oracle-console-sqlplus/ http://cresignsys.in/blog/path-setting-in-windows-for-oracle-console-sqlplus/#comments Sun, 15 Jan 2012 15:24:54 +0000 admin http://cresignsys.in/?p=101 After Installation of oracle database.


You can open oracle console by opening sqlplus.exe (C:\oraclexe\app\oracle\product\10.2.0\server\BIN\sqlplus.exe)

You can directly open the sqlplus.exe  in command promt,by typing sqlplus.

To do that you have to set path in environment variables in windows.You can open the environment variables via system properties.

Go to control panel ,open system,then click on advanced tab,then click environment variables

Then find path in system variables.Edit and add the console path eg ;C:\oraclexe\app\oracle\product\10.2.0\server\BIN\sqlplus.exe

Then click ok.

Then you can open sqlplus in cmd by typing sqlplus

Or Just Go to Run and put sqlplus then ok

1)Create Database

Syntax:

create database database_name;
eg:

create database library;

2)Use Database

Syntax:

use database_name;
eg:

use library;

3)Create Table

Syntax:

create table table_name(column_name datatype(size),column_name datatype(size),….);
eg:

create table book(title varchar(10),author varchar(10),year int,prize int);

 

4)Alter Table

Syntax:

alter table table_name add new_column_name datatype;
alter table table_name alter column colum_name datatype(size);
eg:

alter table book add copies int;
alter table book ALTER COLUMN prize float(4);

   sp_help book; (To check the detail structure of  table.)

5)Truncate Table:

Syntax: 

truncate table table_name;
eg:

truncate table book;

6)Drop Table

Syntax: 

drop table table_name;
eg:

drop table book;

7)Drop Database

Syntax:

drop database database_name;
eg:

drop database library;

sp_help book; (To check the detail structure of  table.)

Syntax:

create table tablename(column name datatype(size),column name datatype(size),..)

eg:

create table book(title varchar(10),author varchar(10),year number(4),prize number(10));

2)Alter

Syntax:

alter table tablename add(new column name datatype(size),new column name datatype(size));

alter table tablename modify(existing columnname,new datatype(new size);

eg:

alter table book add(copies number(10));

alter table book modify(prize float(4));

3)Truncate

Syntax:
truncate table tablename;

eg:

truncate table book;

4)Drop

Syntax:
drop table tablename;

eg:

drop table book;

You can view table structure using desc book;

Please click on the image below for more details..

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