Full Join returns all records when there is a match in one of the tables.
Returns all records from the right table, and matched ones from the left.
Returns all records from the left table, and m
There will be times when we want to know the structure of a table -- what all columns it has, the
Inner joins are used for combining data from tables where there is a match in gi
Suppose you are having an existing table and you want to add a value all rows of the column. 
To create a new column in an existing table, you use ALTER Table query with ADD COLUMN in it.
To select rows in which a particular column value contains a particular word, use LIKE and in inv
To create a single line comment in PostgresSQL, you use two hashes --
For example:
