This is one of the most crucialSQL Interview questionswhich can be essential for the candidate. 19) What can be the basic difference between DROP and TRUNCATE commands? The command of DROP is used to remove a table completely, and the following can be reverted from the Database. On the ot...
Before choosing the RAID (Redundant Array of Independent Disks) we should have a look into usage of SQL Server files. As a basic thumb rule “Data Files” need random access, “Log files” need sequential access and “TempDB” must be on a fastest drive and must be separated from data a...
A table is the basic unit of data storage in an ORACLE database. The tables of a database hold all of the user accessible data. Table data is stored in rows and columns. Q. Do View contain Data? Views do not contain or store data. ...
SQL INTERVIEW QUESTIONS AND ANSWERS 12 | P a g e Define SQL Update Statement ? SQL Update is used to update data in a row or set of rows specified in the filter condition. The basic format of an SQL UPDATE statement is ,Update command followed by table to be updated and SET command ...
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 &...
Intermediate PL/SQL Interview Questions Having covered the basic questions, now let's move on to some intermediate-level data structure interview questions. After testing your basic knowledge, interviewers are going to now test your technical proficiency in implementing and using PL/SQL concepts. ...
These are just basic questions and you can check the data analyst interview questions here. 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 ...
10. Basic difference between stored procedure and user defined function? 11. See we have a simple query that’s calling a static function, like “Select * from employee where joiningdate < getstaticdate()”? Does it call function for every time or only for matched rows? How you tune this...
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 answers to help you succeed in your next interview....
l One machine provides the basic services and the second is available to run the service when the primary system fails.l The primary system is monitored periodically to check if it works. This monitoring may be performed by the failover computer or an independent system also called as cluster...