Accenture SQL Developer Interview Questions, Process, and Tips

Q1. Explain about SSIS Architecture
Ans. 
SSIS Architecture is a platform for data integration and workflow applications.
• SSIS stands for SQL Server Integration Services

• It includes a data flow engine, control flow engine, and event handling

• SSIS packages can be created using SQL Server Data Tools (SSDT)

• SSIS packages can be scheduled and executed using SQL Server Agent
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Q2. How to implement transactions in ssis
Ans. 
Transactions in SSIS can be implemented using the TransactionOption property in Control Flow tasks.
• Set the TransactionOption property to Required on the Control Flow tasks that need to be included in the transaction.

• Use the TransactionOption property to specify the level of transaction support needed for each task.

• Transactions can be managed using the Distributed Transaction Coordinator (DTC) service.
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Q1. What is difference between SQL and my SQL?
Ans. 
SQL is a standard language for managing databases, while MySQL is a specific open-source relational database management system.
• SQL is a standard language used to manage databases, while MySQL is a specific implementation of SQL.

• SQL is an ANSI (American National Standards Institute) standard, while MySQL is an open-source relational database management system.

• SQL can be used with various database management systems like...read more
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Q2. What is the primary key?
Ans. 
Primary key is a unique identifier for each record in a database table.
• Primary key ensures each record in a table is uniquely identified.

• It must contain unique values and cannot have NULL values.

• Primary key can be a single column or a combination of columns.

• Example: 'id' column in a 'users' table can be a primary key.
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Q3. Different between primary key and unique key?
Ans. 
Primary key uniquely identifies each record in a table, while unique key ensures each value in a column is unique.
• Primary key does not allow NULL values, while unique key allows one NULL value.

• A table can have only one primary key, but multiple unique keys.

• Primary key automatically creates a unique index, while unique key does not.

• Primary key is used to establish relationships between tables, while unique key is used t
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Q4. What do you mean by DBMS?
Ans. 
DBMS stands for Database Management System, which is a software system that allows users to define, create, maintain and control access to databases.
• DBMS is a software system that allows users to interact with databases.

• It helps in defining, creating, maintaining, and controlling access to databases.

• Examples of DBMS include MySQL, Oracle Database, Microsoft SQL Server.
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Q5. What are constraint?
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Constraints are rules that are enforced on data columns in a table to ensure data integrity and accuracy.
• Constraints can be used to enforce uniqueness, primary keys, foreign keys, and check conditions on data.

• Examples include UNIQUE, PRIMARY KEY, FOREIGN KEY, and CHECK constraints.

• Constraints help maintain data integrity by preventing invalid data from being inserted into tables.
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Q1. What do you decide to apply to this role?
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Q2. Tell me something about yourself?
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Q3. What are your salary expectation?
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An exam used to determine an individual's skill or propensity to succeed in a given activity.

A group discussion involves a discussion on a given topic with other candidates, usually with similar experience and educational qualifications.

Q1. What are the sequel language
Ans. 
SQL is a language used to manage and manipulate relational databases.
• SQL stands for Structured Query Language

• It is used to create, modify, and query databases

• Common SQL commands include SELECT, INSERT, UPDATE, and DELETE

• SQL is used in many popular database management systems such as MySQL, Oracle, and Microsoft SQL Server
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Q2. Different types of commands
Ans. 
Different types of SQL commands include DDL, DML, DCL, and TCL.
• DDL (Data Definition Language) commands are used to create, modify, and delete database objects.

• DML (Data Manipulation Language) commands are used to insert, update, and delete data in a database.

• DCL (Data Control Language) commands are used to control access to data in a database.

• TCL (Transaction Control Language) commands are used to manage transactions i...read more
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Q3. What is aggregate function
Ans. 
Aggregate function performs a calculation on a set of values and returns a single value.
• Used with SELECT statement to perform calculations on multiple rows

• Examples: SUM, AVG, COUNT, MAX, MIN

• Can be used with GROUP BY clause to group results by a specific column
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