Skip to main content

Create table in SQL | How to see the Structure Of The table in SQL

 Create table in SQL

For Explanation Watch Video::




EX:1:


SQL> create table emp01(name varchar2(10),sal number(10));


Table created.


How to see the Structure Of The table in SQL


SQL> desc emp01;

 Name                                      Null?    Type

 ----------------------------------------- -------- ----------------------------

 NAME                                               VARCHAR2(10)

 SAL                                                NUMBER(10)



EX2::

SQL> create table emp02(sno int,fname varchar2(10),lname varchar2(10),addr varchar2(10));


Table created.


SQL> desc EMp02;

 Name                                      Null?    Type

 ----------------------------------------- -------- ----------------------------

 SNO                                                 NUMBER(38)

 FNAME                                           VARCHAR2(10)

 LNAME                                           VARCHAR2(10)

 ADDR                                              VARCHAR2(10)



Comments

Popular posts from this blog

Servlet Project Book Shop Application in eclipse

 Servlet Project Book Shop Application in eclipse  For explanation watch video::: Note :: In this Project you must configure web server (for example tomcat) with eclipse ide Download Bootstrap  from ::         https://getbootstrap.com/docs/4.3/getting-started/download/ Download mysql jar file from :: https://mvnrepository.com/artifact/mysql/mysql-connector-java/8.0.22 adding MySQL Connector/J jar file in eclipse ide for jdbc video :: video link : https://youtu.be/4Fyd-k3eG_I Directory Structure:: web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" id="WebApp_ID" version="4.0">   <welcome-file-list>     <welcome-file>home.html</welcome-file>   </welcome-file-list>   <display-...

how add labeltext to the container in flutter

 how add labeltext to the container in flutter for an explanation watch the video code import 'package:flutter/material.dart'; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({super.key}); // This widget is the root of your application. @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', theme: ThemeData( primarySwatch: Colors.blue, ), home: const Home(), debugShowCheckedModeBanner: false, ); } } class Home extends StatefulWidget { const Home({super.key}); @override State<Home> createState() => _HomeState(); } class _HomeState extends State<Home> { @override Widget build(BuildContext context) { return Scaffold( body: Center( child: Container( height: 100, width: 400, child: InputDecorator( decoration: InputDecoration( labelText: ...

Java Hashset Hackerrank Solution

 Java Hashset Hackerrank Solution For Explanation Watch Video: Sample Input 5 john tom john mary john tom mary anna mary anna Sample Output 1 2 2 3 3 Code: import  java.io.*; import  java.util.*; import  java.text.*; import  java.math.*; import  java.util.regex.*; public   class  Solution {   public   static   void  main(String[] args) {         Scanner s =  new  Scanner(System.in);          int  t = s.nextInt();         String [] pair_left =  new  String[t];         String [] pair_right =  new  String[t];                   for  ( int  i =  0 ; i < t; ...