Telegram Group & Telegram Channel



tg-me.com/sql_for_qa/34
Create:
Last Update:

👍 Практический курс по SQL для начинающих

Серия уроков по PostgreSQL. Все те знания, которые вы получите на курсе легко применимы и к другим СУБД, таким как MySQL, Microsoft SQL Server, Oracle.

▫️#1 Введение в PostgreSQL
▫️#2 Базовые SELECT запросы
▫️#3 Соединения (JOIN)
▫️#4 Подзапросы в SQL
▫️#5 DDL: создание БД, таблиц и их модификация
▫️#6 Проектирование и нормализация Базы Данных (БД)
▫️#7 Представления в SQL
▫️#8 Логика с CASE и COALESCE в SQL
▫️#9 Функции SQL
▫️#10 Функции pl/pgSQL
▫️#11 Ошибки их обработка в SQL (исключения)

ссылка на 👍 плейлист

BY SQL для тестировщика




Share with your friend now:
tg-me.com/sql_for_qa/34

View MORE
Open in Telegram


SQL для тестировщика Telegram | DID YOU KNOW?

Date: |

Telegram announces Search Filters

With the help of the Search Filters option, users can now filter search results by type. They can do that by using the new tabs: Media, Links, Files and others. Searches can be done based on the particular time period like by typing in the date or even “Yesterday”. If users type in the name of a person, group, channel or bot, an extra filter will be applied to the searches.

Should You Buy Bitcoin?

In general, many financial experts support their clients’ desire to buy cryptocurrency, but they don’t recommend it unless clients express interest. “The biggest concern for us is if someone wants to invest in crypto and the investment they choose doesn’t do well, and then all of a sudden they can’t send their kids to college,” says Ian Harvey, a certified financial planner (CFP) in New York City. “Then it wasn’t worth the risk.” The speculative nature of cryptocurrency leads some planners to recommend it for clients’ “side” investments. “Some call it a Vegas account,” says Scott Hammel, a CFP in Dallas. “Let’s keep this away from our real long-term perspective, make sure it doesn’t become too large a portion of your portfolio.” In a very real sense, Bitcoin is like a single stock, and advisors wouldn’t recommend putting a sizable part of your portfolio into any one company. At most, planners suggest putting no more than 1% to 10% into Bitcoin if you’re passionate about it. “If it was one stock, you would never allocate any significant portion of your portfolio to it,” Hammel says.

SQL для тестировщика from sg


Telegram SQL для тестировщика
FROM USA