KUNGFU TECH vietnam
6304 câu hỏi phỏng vấn Full-Stack, Coding & System Design Interview
Bộ lọc:
How are VARCHAR and CHAR different. Talk about cases where you will use one over other.
Explain foreign key constraint in MySQL
What is self referencing foreign key? Give an example.
Describe BLOB in MySQL. What is it used for?
What is an AGGREGATE function. Name few aggregate functions used in MySQL.
What is a VIEW in MySQL. How can you create and query a view?
Explain DEFAULT constraint in MySQL
What is Primary Key Constraint and Unique Key Constraints?
What is the difference between TRUNCATE and DELETE ?
What is the difference between Data Definition Language (DDL) and Data Manipulation Language (DML)?
What are different integer data types in MySQL? How can you use unsigned integer in MySQL?
What is the difference between commands create database and create schema in MySQL?
Explain GRANT command in MySQL
What is the use of DELIMETER command in MySQL?
What is mysqldump ?
What is index in MySQL? What is advantage of index?
What different stored objects are supported in MySQL?
What are Derived Columns. What possible problems can a derived column pose?
Both TIMESTAMP and DATETIME are used to store data and time. Explain difference between them and when should one be used?
What are REPEAT , LOOP and WHILE statements used for?
What are key constraints. What different types of constraints are there in MySQL?
What is the use of IN and BETWEEN in MySQL queries?
What is Stored Function in MySQL. How are they different from Stored Procedure?
What is MySQL Workbench?
How can VIEW be used to provide security layer for your app?
What is a trigger. What are different type of triggers in MySQL?
What is difference between BLOB and TEXT in MySQL?
Explain the use of FEDERATED tables in MySQL
What are different TEXT data types in MySQL. What is difference between TEXT and VARCHAR ?
What happens if a parent row which is referenced by child row is being deleted in case of foreign key constraint?
What are differences between MyISAM and Inn...
What is faster, one big qu...
What are some major differences b...
What does OPTIMIZE TAB...
What is database engine or storage engine? Mention f...
What is master-slave replication ...
What are some advantages and disadva...
What is advantage of FULLTEXT over LIK...
Compare MySQL ...
What is autocommit in MySQL? Can you run a...
Which partitioning typ...
What is cursor used in MySQL? Wha...
What is Memory Storage Engine ...
What happens to a trigger in MySQL if an operation which t...
Which is better for JOIN & I...
Why you should never use GUID...
What are the differences b...
What is the use of ...
How do you make schema changes to...
How many tables can a trigger associate to in...
What is difference between horizontal and vertical partitioning...