TG: sql_for_qa/808

SQL для тестировщика

(Oracle) В таблице STORES есть столбец START_DATE с типом данных DATE, содержащий дату вставки строки. Вы хотите отобразить только те строки, в которых дата START_DATE находится в пределах последних 25 месяцев. Какое предложение WHERE можно использовать?

Anonymous Quiz

A. WHERE TO_NUMBER(start_date - SYSDATE) <= 25

B. WHERE MONTHS_BETWEEN(start_date, SYSDATE) <= 25

C. WHERE MONTHS_BETWEEN(SYSDATE, start_date) <= 25

D. WHERE ADD_MONTHS(start_date, 25) <= SYSDATE

193 answered

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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.

The SSE was the first modern stock exchange to open in China, with trading commencing in 1990. It has now grown to become the largest stock exchange in Asia and the third-largest in the world by market capitalization, which stood at RMB 50.6 trillion (US$7.8 trillion) as of September 2021. Stocks (both A-shares and B-shares), bonds, funds, and derivatives are traded on the exchange. The SEE has two trading boards, the Main Board and the Science and Technology Innovation Board, the latter more commonly known as the STAR Market. The Main Board mainly hosts large, well-established Chinese companies and lists both A-shares and B-shares.