SKU: 75074725026

Essential SQLAlchemy: Mapping Python to Databases, 2nd Edition

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Description

Essential SQLAlchemy: Mapping Python to Databases, 2nd EditionDive into SQLAlchemy, the popular, open source code library that helps Python programmers work with relational databases such as Oracle, MySQL, PostgresSQL, and SQLite. Using real world examples, this practical guide shows you how to build a simple database application with SQLAlchemy, and how to connect to multiple databases simultaneously with the same metadata. SQL is a powerful language for querying and manipulating data, but its tough to

Dive into SQLAlchemy, the popular, open-source code library that helps Python programmers work with relational databases such as Oracle, MySQL, PostgresSQL, and SQLite. Using real-world examples, this practical guide shows you how to build a simple database application with SQLAlchemy, and how to connect to multiple databases simultaneously with the same metadata.SQL is a powerful language for querying and manipulating data, but its tough to integrate it with your application. SQLAlchemy helps you map Python objects to database tables without substantially changing your existing Python code. If youre an intermediate Python developer with knowledge of basic SQL syntax and relational theory, this book serves as both a learning tool and a handy reference.Essential SQLAlchemy includes several sections:
SQLAlchemy Core: Provide database services to your applications in a Pythonic way with the SQL Expression Language
SQLAlchemy ORM: Use the object relational mapper to bind database schema and operations to data objects in your application
Alembic: Use this lightweight database migration tool to handle changes to the database as your application evolves
Cookbook: Learn how to use SQLAlchemy with web frameworks like Flask and libraries like SQLAcodegen

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SKU: 75074725026

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Dario Montenegro
Battle Creek, US
★★★★★ 5
Reloj de Calidad
Color: G5885-silver-red
Excelente muy buena Calidad a buen precio lo uso bastante y me preguntan dónde lo compré
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Reviewed in the United States on April 3, 2026
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GIoang Hoang
Phoenix, US
★★★★★ 5
4/5
Color: G5885-silver-red
beautiful
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Reviewed in the United States on April 14, 2026
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oldguy
Charlottesville, US
★★★★★ 5
Inexpensive, not cheap, with useful added features
Color: A4 - Blue / Black
First impressions: 1. The watch has features unexpected at this price point: a. Stainless case (claimed) and back b. Glass, not plastic, crystal c. Functioning luminosity (duration to be tested) of hands (not seconds) and 5-minute tics d. Day/date display e. Clear setting instructions in english f. Sweep second hand 2. Packaging was not fancy, but effective; watch arrived in perfect shape with no visible defects: Flat cardboard box in cardboard sleeve with embossed logo, fitted foam box liner, plactic film around watch, protective plactic discs on crystal and stainless back. 3. Overnight delivery via Amazon to my front door (much better than USPS) 4. Faux-croc band looks and feels fine for now 5. Setting mechanisms all worked smoothly 6. The black watch is quite handsome, if not elegant, with a simple, understated blue dial and gold markers; the photos in the listing were a faithful representation 7. I measured the case at a fraction of a mm over 39, the max for my small wrists 8. I observed some nits that are to be expected at this price point: a. Second hand alignment is off by a quarter oFirst impressions: 1. The watch has features unexpected at this price point: a. Stainless case and back b. Glass, not plastic, crystal c. Functioning luminosity (duration to be tested) of hands (not seconds) and 5-minute tics d. Day/date display e. Clear setting instructions in english f. Sweep second hand 2. Packaging was not fancy, but effective; watch arrived in perfect shape with no visible defects: Flat cardboard box with embossed logo, fitted foam liner, plactic film around watch, protective plactic discs on crystal and stainless back. 3. Overnight delivery via Amazon to my front door (much better than USPS) 4. Faux-croc band looks fine 5. Setting mechanisms worked smoothly 6. The black watch is quite handsome, if not elegant, with a simple, understated blue dial and gold markers; the photos in the listing were a faithful representation 7. I measured the case at a fraction of a mm over 39, the max for my small wrists 8. I observed some nits to be expected at this price point: a. Second hand alignment is off by a quarter of a second from second marks b. Black case is excessively shiny; probably is not ion-coated and finish may not be very durable, but was preferable to me over the gold, which I am sure will mar easily c. Watch has a snap-on (not screw-on) back and minimal water resistance Bottom line, I seem to have received exactly what was offered, which is a lot for around $30
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Reviewed in the United States on January 16, 2023
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Jimbo
Birmingham, US
★★★★★ 5
The watch Is beautiful, keeps time & date well and seems to be made of quality materials
Color: A1 - Blue / Brown
First off I have not had a watch in 20 years since I use my phone for the date and time. I decided to try using one again and love not having to retrieve my phone to check the time. The watch is beautiful and I love the look of the gold with the blue face and brown band. It works great and appears to be of the same quality as the Seiko watches that I use to own. I tested the face and tried to scratch a small area with a sharp object. I would not scratch so it is either glass or a crystal. the metal seems to be of good quality and the band is comfortable and feels like leather. Overall I am happy with it and will update this review if the situation changes.
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Reviewed in the United States on January 12, 2024
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Dennis Stalzer
Dallas, US
★★★★★ 4
Nice looking watch with day and date
Color: A5 - Black
This watch has a nice black face and looks like it is high quality considering the price. I guess time will tell how durable it is. The only thing I am not as pleased about is the band which is stiff and is not as comfortable as another watch that has a leather band.
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Reviewed in the United States on January 18, 2026

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