We'll be going through six questions covering topics like query performance, joins, and SQL injection. They'll refer to the same database for cakes, customers, and orders at a bakery. Here's the schema: CREATETABLEcakes(cake_idINTNOTNULLAUTO_INCREMENTPRIMARYKEY,flavorVARCHAR(100)NOTNULL);CRE...
SQL Interview Questions http://career.guru99.com/top-50-sql-question-answers/ 1. What is DBMS? A Database Management System (DBMS) is a program that controls creation, maintenance and use of a database. DBMS can be termed as File Manager that manages data in a database rather than savi...
Structured Query Language is the main part of the relational database, which can be utilized for gaining access to the database and also plays a major role in the management of the database. On the other hand, MySQL is a Relational Database Management System like SQL Server, Informix, and...
An ORM library is written in our language of choice and encapsulates the code needed to manipulate the data. Therefore we don’t need to directly use the SQL; we can interact instantly with an object from our code, instead of a database table. The ORM tool translates the interaction into ...
Comprehensive, community-driven list of essential SQL interview questions. Whether you're a candidate or interviewer, these interview questions will help prepare you for your next SQL interview ahead of time.
PostgreSQL Job Interview Questions and Answers 1 :: Explain what is PostgreSQL? This is regarded as one of the most successful open source database in the world. This is also used to create advanced applications. This relies on Object relational database management system. Familiarity with UNIX ...
Secondly many candidates go really as heroes when answering questions of OOP, AOP, Design patterns, architecture, remoting and others but when it comes to simple basic question on SQL Server like SQL, indexes (Forget DBA level questions) they are completely out of track. Third very important ...
Important thing to note: By default a clustered index gets created on the primary key, unless specified otherwise. 10. What's the maximum size of a row? 8060 bytes. Don't be surprised with questions like 'what is the maximum number of columns per table'. Check out SQL Server books ...
CLICK HERE TO GET INTERVIEW QUESTIONS FOR TCS… Following are some important Interview Questions for SQL : 1.What is SQL?Where SQL is used? Answer: SQL is Structured Query Language, which is a computer language for storing, manipulating and retrieving data stored in relational database.SQL can...
We can’t create a new database when model database is down. SQL Server restart will be unsuccessful when model database is down as TEMPDB creation failed. TEMPDB is created based on model DB configurations, since model DB is down TEMPDB will not be created. ...