Landing a job that requires SQL skills often means preparing for a challenging interview. SQL is a foundational technology for database management, so employers test candidates on various concepts ranging from basic to advanced-level queries. This blog covers common SQL interview questions and their ...
Both primary key and unique enforce uniqueness of the column on which they are defined. But by default primary key creates a clustered index on the column, where are unique creates a nonclustered index by default. Another major difference is that, primary key doesn’t allow NULLs, but unique...
A stored procedure is a named group of SQL statements that have been previously created and stored in the server database. Stored procedures accept input parameters so that a single procedure can be used over the network by several clients using different input data. And when the procedure is ...
SQL Job Interview Questions and Answers 1 :: What is SQL (Structured Query Language)? SQL is an English like language consisting of commands to store, retrieve, maintain & regulate access to your database.Read More 2 :: What is the SQL*Plus? SQL*Plus is an application that recognizes &...
SQL Joins interview questions are among the most commonly asked in SQL Developer interviews. These questions are based on the types of SQL Joins and their applications. An SQL Join statement joins data or rows from two or more tables based on a shared field. SQL is used in more than 1,95...
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SQL DBA Interview Questions with Answers Q. What are the common issues a SQL DBA should deal with as a part of DBA daily job? Ans: Backup Failure Restore Failure Log Full Issues Blocking Alerts Deadlocks Alerts TEMPDB full issues Disk Full Issues ...
With a little bit of advance preparation, you’ll feel prepared and confident on interview day.Looking for interview questions specific to MySQL? Checkout our page on MySQL interview questions as well.New: Sign up for a free SQL mini-course Make sure you're prepared for the interview that ...
This guide lists out a few of the most asked SQL interview questions and gives their answers such as JOINS, KEYWORDS, TRIGGERS and much more.Lokesh Gupta September 12, 2022 Interview Questions Interview Questions, SQL SQL is the standard language for retrieving, updating, inserting and deleting...
This comprehensive guide provides a curated list of SQL Server interview questions and answers, covering topics from basic concepts to advanced techniques, to help you prepare for your next data-related interview. Jun 18, 2024 · 14 min read ...