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28825 private teachers in Fygw

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(2 reviews)
Brahim - Berrechid245 CNY
245 CNYIntroduction to Relational Database and SQL Language by practise
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 4.8 out of 5 based on 72 reviews.

Online math study (group or individual) for PMF students (Dubai)
Adel
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rating green star
I found Adel after earlier attempts to get a good instructor to help my nephew prepare for his baccalaureate and I am so happy I did. He worked very closely with my nephew, guiding him and explaining to him what he should do all the way to the very end. I strongly recommend Adel and will not hesitate to request his services again if a need arises. Adel, thank you so much for your patience and dedication. Much appreciated.
Review by SYHAM
Learn the Arabic language at home "Children and Adult" (Namur)
Islame
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rating green star
Islam is always organized and prepared for class. Her lessons are clearly structured so that students can easily follow it. Patience is a virtue. The most important quality that Islam is very patient with her students and to deal with the same questions and problems over and over again. she never give up on her students and would try out new ways to help us succeed.
Review by DENIZ
Philosophy professor in Geneva, personalized support for guaranteed success and greater serenity. (Annemasse)
Camille
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rating green star
My daugther was very pleased with Camille. Her explanations were clear and she is very patient. Thank you Camille. We will definitely continue having lessons with you.! We highly recommend her.
Review by RUKIATU

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