Laravel Database Quiz at Pariksha.io

Laravel Database
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1. Database Support

Which is the following databases are supported by Laravel?

SQLite

SQL Server

Firebase

MySQL

PostgreSQL

2. Database Config

The sticky option ensures that any data written during the request cycle can be immediately read back from the database during that same request.

True

False

3. Running Raw SQL Queries

DB facade is used to run queries. Which of the following methods are available for each type of query.

select

update

insert

delete

move

statement

copy

4. Database Transactions

To run a set of operations within a database transactions, which of the following method can be used?

beginTransaction

transaction

initTransaction

5. Retrieving Results

What is returned when using table method on DB facade followed by get method.

A single row or column from a Table

All rows from a Table

Null

6. Selects

addSelect method is used when you wish to column to existing select clause.

True

False

7. Database Transactions

Which method is used to begin transaction manually and have complete control over rollbacks and commits?

beginTransaction

initTransaction

transaction

8. Chunking Results

Which of the followings are true for chunk method?

It retrieves small chunk of database records.

It is useful for writing Artisan Commands.

It cannot feed small record set into closure for further processing.

9. Raw Methods

The selectRaw method cannot be used in place of select(DB::raw(...)).

True

False

10. Joins

Select valid Laravel join clause methods.

join()

leftJoin()

rightJoin()

crossJoin()

advancedJoin()

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