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Private teachers in Černý Most

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Turkish · Culture · Reading
C# · Game development · Video games
Trusted teacher: Module 1: SQL Overview Outlining SQL as the cornerstone of database activity Applying the ANSI/ISO standards Describing the fundamental building blocks: tables, columns, primary keys, and foreign keys Module 2: Building the Database Schema - Creating tables and columns Building tables with CREATE TABLE Modifying table structure with ALTER TABLE Adding columns to an existing table Removing tables with DROP TABLE - Protecting data integrity with constraints Guaranteeing uniqueness with primary key constraints Enforcing integrity with foreign key constraints Imposing business rules with check constraints - Improving performance with indexes Expediting data retrieval with indexes Recommending guidelines for index creation Module 3: Manipulating Data - Modifying table contents Adding table rows with INSERT Changing row content with UPDATE Removing rows with DELETE - Applying transactions Controlling transactions with COMMIT and ROLLBACK Deploying BEGIN TRANSACTION in SQL Server Module 4: Working with the SELECT Statement - Writing Single Table queries Retrieving data with SELECT Specifying column expressions Sorting the result with ORDER BY Handling NULL values in expressions - Restricting rows with the WHERE filter Testing for equality or inequality Applying wildcard characters Avoiding NULL value pitfalls Module 5: Querying Multiple Tables - Applying the ANSI/ISO standard join syntax Matching related rows with INNER JOIN Including nonmatched rows with OUTER JOIN Creating a Cartesian product with CROSS JOIN - Combining results with set operators Stacking results with UNION Identifying matching rows with INTERSECT Utilizing EXCEPT to find nonmatching rows Module 6: Employing Functions in Data Retrieval - Processing data with row functions Conditional formatting with the CASE expression Utilizing the CASE expression to simulate IF tests Dealing with NULL values - Performing analysis with aggregate functions Summarizing data using SUM, AVG and COUNT Finding the highest/lowest values with MAX and MIN Defining the summary level with GROUP BY Applying filter conditions with HAVING Module 7: Constructing Nested Queries - Applying subqueries in filter conditions Creating correlated vs. noncorrelated subqueries Testing the existence of rows - Including subqueries in expressions Placing subqueries in the column list Creating complex expressions containing subqueries Handling subqueries that return no rows Module 8: Developing In-Line and Stored Views - Breaking down complex problems Selecting data from a query result set Using subqueries in the FROM clause - Creating views in a database Building reusable code Creating updateable vs. non-updateable views
Mysql · Oracle database · Microsoft sql server
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Only reviews of students are published and they are guaranteed by Apprentus. Rated 4.9 out of 5 based on 59 reviews.

1st grade I will be your chess coach and help you become the winner of the tournament
Dmytro
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rating green star
I had my first class with Dmytro and I really enjoyed it. He takes his classes very seriously (he was very punctual, he had indicated to me in advance the apps/tools needed for the class, he was asking if I have questions, he replied very quickly to my messages before the class...). Also, he was very patient with me (I have a low level in chess...). I liked a lot that he was not just explaining "book" theory of chess, but also the practical tricks. I will book a second class. 100% recommended :)
Review by SARA
Find your singing voice. A safe and natural technique to sing classical, opera and music theatre. (Cheste)
Lynette
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rating green star
I have taken my first lesson with Lynette and it was a great experience. I have been singing for some time at a choir, but have no formal training and want to learn the fundamental technique, and also work on some of the pieces we sing at the choir. The lesson was very practical, dynamic and she pays great attention to detail. After the class I could feel the improvement on the areas we have covered and felt much more confident on my skills. Highly recommended!
Review by ELSA
Tutoring at home (privet courses ) /ALL Subject For IG,SAT,IB & National System WITH International Education Academy For IGCSE, SAT, IB (New Cairo)
Eng. Mohamed
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rating green star
Mr. Mohammed is a great teacher. He has been very friendly and patient with my son. He always assigns homework after every lesson and revises with him the previous lesson to make sure that he has fully understood the topic. This has improved my son’s math skills in a short amount of time. His personality is great as he makes the student feel comfortable by asking questions. We are happy to continue to work with him long-term as well.
Review by يحي حسين
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