RAVINDRA'S BLOG

Thursday, 19 April 2018

Postgre SQL

Installing the Postgre SQL:

  • Open the postgre sql site.
  • Select version and type of the Windows.
  • Run PostGresql as administrator.
  • Click Next to start setup.
  • Check all the components and click next.
  • Select the folder to install the file.
  • Setup a password to enter the credentials.
  • Select preferred language.
  • Give the path to save the data.
  • Install all necessary programs.
  • Click Finish, it opens the stack builder window.
  • Select the Postgre SQL, whether local or server.
  • Click Close.

Starting Postgre SQL:

  • Open the PgAdmin4 from the start or search PgAdmin in search bar.
  • After opening click on PostgreSQL10.
  • Pop Up window appears enter the password.

SQL Queries:

  • Create Table Creates the table.
  • Displays, the result in the below data Output
  • Insert into adds the values into the table.
  • Select, gets the total data from the table
  • Select where retrieves the data from the table with preferred options.
  • In below image using or condition retrieved the data of the "productcode" and "deliverycity" where either logistic is "swetha" or "deliverycity" is "KNR". 
  • In below image using and condition retrieved the data of the "productcode" and "deliverycity" where logistic is "swetha" and "deliverycity" is  "KNR".
  • Alter Table add , creates the new column.
  • Update column, adds the value to the column or changes the value in the column.
  • In below, created the new column name called logistic.
  • Added the values into column for each.