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Private teachers in Klmr

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49339 private teachers in Klmr

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49339 private teachers in Klmr

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(2 reviews)
Brahim - Berrechid29€
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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(3 reviews)
Tushita - Breda236€
Storytelling · Essay writing
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(2 reviews)
Rym - Tunis36€
Physics · Electromagnetism · Electronic circuits
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Only reviews of students are published and they are guaranteed by Apprentus. Rated 4.9 out of 5 based on 101 reviews.

Italian private lessons online and offline - Italian language private lessons (Rotterdam)
Davide
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I had my first Italian lesson with Davide on 24/9/21. My first impression was very good because he does a very good assessment before he starts of your level and of your goals and based on that he adopts his learning approach perfectly yo your needs. I give Davide a 5 rating after one lesson and would be very surprised if my view of him will change. On top of his ability as a teacher, he is a very nice and modest person. He knows how to drive a conversation and seems have a lot of patience! Looking forward to the next lesson!
Review by VICTOR
Guitar lessons / music theory / rhythm / accompaniment / composition etc. (Lausanne)
Marco
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Marco is an excellent teacher, very patient and extremely talented with a genuine passion for music. I am a complete beginner and he has taken time out of his day to steer me in the right direction and given me the best advice. I would 100% recommend.
Review by ESMELDY
Physics, Math and Science from a PhD (physics, EPFL) (Écublens)
Nico
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Nico is an absolute gem! My son loved every minute of their lessons and Nico’s knowledge is so incredible with great teaching skills. I would choose him again without a doubt! Very reliable too! Thank you so much for such a fantastic lessons Nico!
Review by GEORGINA
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