Db stock options



MarketWatch News on DB. Jimmy - The typical approach is to create a view on the supertype and all of the subtypes. Interactive Chart Fundamental Charts The Zacks Rank has been called the Billion Dollar Secret. Compare Stock Brokers Data Disclaimer Help Suggestions Privacy About Our Ads Terms Follow Yahoo Finance window. See also: Options Chain data dh page.




A database has two tables: one for stocks equitiesand one for options. These are separate table because they have different information. I think it is a good idea to separate them in two tables, though this is open for debate. I need to store trades or orders, or transactions in the database. A trade can involve either an equity or an option. Should trades be stored as one table, with one column that specifies whether the trade involves a stock or an option, and another column that is a FK that points either to the stocks table or the options table?

Or should there be two trades tables, one for trades involving stocks and one for trades involving options? Later on, I will also need to add a positions table. However, it could also be more complex, involving both options and stocks a covered call, for example. It seems that if I do two tables for trades, then I face the same difficulty designing the positions table that I would if I implemented a single trades table: I would need a foreign key that points either to the stock trades table or the option trades table.

This makes me best 5 min binary option strategy like there should be a single instruments table, that contains db stock options stocks and options. However, the information required for stocks is so different than options see first paragraphthat this also feels wrong. A row containing a stock would have all the option-specific columns null. This lets you keep distinct tables for your stocks and options, which is sensible since they have different attributes.

At the same time, it lets you work in a sensible way with a single set of transactions. By posting your answer, you agree to the privacy policy and terms of service. Sign up or log in to customize your list. Start here for a quick overview of the site. Detailed answers to any questions you might have. Discuss the workings and policies of this site.

Learn more about Stack Overflow the company. Learn more about hiring developers or posting ads with us. Join the Stack Overflow Community. How should I design this database? Do you mind posting SQL DDL and some sample data as INSERT statements? You are right, that sounds like a promising approach. Jimmy - I wouldn't db stock options both - that's for sure. Normally your subtypes point at your supertype. Uniqueness is already guaranteed that way. If you have existing subtype tables with potentially clashing keyspaces, then your choices are add a candidate key to the subtypes related to oparty.ru very similar to the green field or if you can't touch your existing subtype tables, build connector tables for each subtype to your supertype.

What would the query look like to display transactions? I don't know how to tell the query to map from the instruments table to the options table or the equities table? Jimmy - The typical approach is to create a view on the supertype and all of the subtypes. The view is built using one query for each subtype with UNION ALL to gather them up. This only works insofar as you are able to come up with a common set of columns. Sometimes the view contains all of the unique columns db stock options each subtype.

This results in "sparse columns" in the view - but being in a view sparse columns are as evil as most people usually consider them to be. Sign up or log in. Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest.




Deutsche Bank AG (DB) Option Chain - Stock Puts & Calls - oparty.ru


Deutsche Bank (NYSE:DB) Bull Flag Signals $20 Price Target

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