For a quick brief you can refer these notes for tomorrow 😊

1
2 3
4 5 6
7 8 9 10
11 12 13 14 15
16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31 32 33 34 35 36
37 38 39 40 41 42 43 44 45
46 47 48 49 50 51 52 53 54 55

Print this triangle 📐

Checkout this

Download from here

SQL commands

Possibly this can help you with sql

Can refer this for css implementation

Can check this for basics of html

Check this for hand written notes of html

The different join types in Oracle SQL are:
● Inner join: Returns records that exist in both tables.
● Left join/left outer join: Returns records that exist in the first table and shows NULL for those
values that don’t exist in the second table.
● Right join/right outer join: Returns records that exist in the second table and shows NULL for
those values that don’t exist in the first table.
● Full join/full outer join: Returns records that exist in both the first and second table, and shows
NULL for those values that don’t exist in the corresponding table.
● Cross join: Returns all combinations of all records in both tables.
● Natural join: an inner join with two tables on columns that have the same names
● Self join: A join from one table to another record in the same table.