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Ordering, Limit and Offset in Active Records Rails
Active records provide us with ways to set constraints in our queries to specify the order in which we have to get the records from the table.
This can be done through the following ways:
order
This method is used to get recor...
What is the use of LIMIT Clause in MySQL?
In MySQL, the LIMIT Clause is used to return the specified number of records means by using LIMIT we can specify how many records we want to return from a table..
The LIMIT Clause is useful when, we want to select some records from a table whi...
Applying limit and offset to array
In rails we can apply limit and offset to arrays in different ways.
1> Using "slice" method.
slice takes 2 arguments, the first one being the "starting_index" & the second one is the "number_of_elements".
syntax :-
arrayob...
MongoDB : Limit and Skip
MongoDB - Limit with Skip
Often we need to implement pagination in any application. We can use "limit" with "skip". "skip" will select record from given index.
e.g. We need to find 10 record started form 10th index.
db.collection.find()....
MongoDB : Limit
MongoDB - Limit Query
Sometime we need to find out certain number of record. In MongoDB we can achieve this through "limit" option.
e.g. We need to find 10 record from any collection.
db.collection.find().limit(10).pretty();
It is e...