DP-080 Querying Data with Microsoft Transact-SQL

Price
Net €
VAT €

Price
Price on Request

Duration
2 days

For companies and job seekers:
this course is 100% fundable!

Location

Course Language
English

Training Solutions
Online Live

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Databases are the backbone of digital processes. Those who can query data securely gain clarity, speed, and quality in analysis and development. The focus is on clear syntax, logical thinking, and the professional use of Transact-SQL in modern system landscapes.

Key topics

Working with SELECT queries and filter logic.
Sorting, grouping, and aggregating data.
Joins and relational links.
Subqueries and expression logic.
Basic knowledge of views and stored queries.
Performance basics and clean syntax.

Prerequisite
Basic understanding of databases and tabular data structures.

Target audience
People working in data analysis, development, business intelligence, or data-driven departments.

A solid foundation for confident use of Transact-SQL creates clarity, efficiency, and future-proofing in your daily work with data.

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Course content

Introduction to Transact-SQL

Use schemas
Explore SQL structure
Check SELECT statement
Use data types
Handle NULLs

Results in T-SQL

Sort results
Narrow down sorted results
Display results
Delete duplicates
Filter using predicates

Tables with JOINs

Joins: Understanding Concepts & Syntax
Using inner joins
Using outer joins
Using cross joins
Using self joins

Subqueries in T-SQL

Understanding subqueries
Scalar or multi-valued subqueries
Closed or correlated subqueries

Functions and GROUP BY

Categorizing functions
Using scalar functions
Using ranking and rowset functions
Applying aggregate functions
Grouping data with GROUP BY
Filter groups with HAVING

Data in T-SQL

Add data
Generate values automatically
Update data
Remove data
Merge tables

Frequently Asked Questions

How does a solid understanding of Transact-SQL benefit you in your daily work?

Faster data retrieval, fewer errors, and clear analyses measurably improve efficiency and the quality of decision-making.

Why is expertise in Microsoft SQL Server in such high demand right now?

Data-driven business models are growing rapidly, and clean data queries are becoming a critical success factor.

Specifically, what problems does structured data querying solve?

Complex data sets are translated into clear results, and analyses become faster and more reliable.

How practical is the course content?

Focus on real-world scenarios, common pitfalls, and practical queries rather than abstract theory.

What risks arise without a solid understanding of SQL?

Misinterpreted data, slow reports, and poor decisions can result in high costs.

Who would particularly benefit from getting started?

Ideal for roles involving data management that require faster, more precise, and more independent work.

How quickly do you start seeing results in your job?

After just a short time, you'll be able to optimize queries and generate reports much more efficiently.

What specific results can be expected?

Secure queries, improved performance, and the ability to transform data into actionable insights.

Do you have any further questions? Please contact us.

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