1) SQL - Create a table
To create a table in the selected database.
create table table_name ( column1 datatype(range), column2 datatype(range), column3 datatype(range), .... );
To show all tables in the selected database.
To show detail about any table in selected database like number of fields, key, extra (auto-increment), data type, null etc.
desc table_name ;
To delete a table in the selected database.
drop table table_name ;
To insert data in a table.
insert into table_name ( coloumn1_name, coloumn2_name, coloumn3_name, ………….. ) ; values ( coloumn1_value, coloumn2_value, coloumn3_value, ……….);
Note:- varchar value must be in the ‘…..’ or “…..” when inserting data.
We can also insert value by below code
insert into table_name; values ( coloumn1_value, coloumn2_value, coloumn3_value, ……….);
To show inserted data in the table which we created in the database.
select * from table_name ;
Using this, we can add a column in any table.
alter table table_name add column_name data_type(range) ;
Using this we can delete any column from a table.
alter table table_name drop column column_name;
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