Category: MCQ-SQL

This sections contains mcq-Sql multiple choice questions with answers and explanation on various topics in SQL database. sql mcq questions are asked in job interviews.

MCQs – SQL Basics

MCQ –  Basic SQL multiple-choice questions with answers for written test in software job interview in IT companies.   Q) Which statement is wrong about PRIMARY KEY constraint in SQL? The PRIMARY KEY uniquely identifies each record in a SQL database table Primary key can be made based on multiple columns Primary key must be…

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MCQs – SQL Database

MCQ – Multiple choice questions on SQL Database with answers and explanation. Many of the objective questions are asked in IT jobs written interviews.   Q)Combination of primary key with foreign key forms Parent child relationship between the tables that connect them Many to many relationship between the tables that connect them Network model between…

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MCQs – SQL commands

MCQ – This section contains multiple choice questions on SQL Commands with answers and explanation. Many of the objective questions are asked in software jobs written interviews.   Q) Which SQL commands can be used to delete all records from the table in a sql database? Delete Delete with where condition TRUNCATE DROP Q) SQL…

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