SQL Interview Questions And Answers Guide.
SQL Interview Questions AndAnswers Interview Questions And AnswersGlobal Guideline . COMSQL Job Interview Preparation # 1What is SQL (Structured Query Language)?Answer:-SQL is an English like language consisting of commands to store, retrieve, maintain & regulate access to your More # 2What is the SQL*Plus?Answer:-SQL*Plus is an application that recognizes & executes SQL commands & specialized SQL*Plus commands that can customize reports, provide help & edit facility &maintain system More # 3What is NVL?
Transaction is defined as all changes made to the database between successive commits. Read More Answers. Question # 20 What is sql Locking? Answer:-Locking are mechanisms intended to prevent destructive interaction between users accessing data. Locks are used to achieve. ... SQL and PL/SQL Frequently Asked Interview Questions and Answers Guide
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