Monday, January 9, 2017

table, insert, update, delete

table, insert, update, delete :
how to create a table with commend prompt:

kono database a kaj korte hole use database name dite hoy:
ex CREATE DATABASE advance;
use advance; aito holo akon ai database a kaj korbe. database changed hole.
create table given(
id INT(11) NOT NULL AUTO_INCREMENT,
name varchar(100)  NOT NULL,
roll int(11) NOT NULL,
subject varchar(11) NOT NULL,
semester int(2) NOT NULL,
cgpa float NULL,
PRIMARY KEY (id)
);


table ar column show kortehole  describe or explain use korte pari

column gulo re valu add korbo:
INSERT INTO given (name) VALUES(
NULL,
'RANIT'
);

dakta chile:
SELECT * FROM given for all 



SELECT name, another FROM given tahole specific gulo show korbe




mysel update:
UPDATE table_name
SET column1=value, column2=value2,...
WHERE some_column=some_value 


Delete:
DELETE FROM given WHERE id=1;


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