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Pandas is built around data structures called Series and DataFrames. Data for these collections can be imported from various file formats such as comma-separated values, JSON, Parquet, SQL database tables or queries, and Microsoft Excel. [8] A Series is a 1-dimensional data structure built on top of NumPy's array.
MarkLogic introduced bitemporal data support in version 8.0. Time stamps for Valid and System time are stored in JSON or XML documents. [2]XTDB [3] (formerly Crux) is an open source database that indexes documents using an EAV data model and provides point-in-time bitemporal SQL & Datalog queries.
Valid time is the time period during or event time at which a fact is true in the real world. Transaction time is the time at which a fact was recorded in the database. Decision time is the time at which the decision was made about the fact. Used to keep a history of decisions about valid times.
The death clock calculator is a conceptual idea of a predictive algorithm that uses personal socioeconomic, demographic, or health data (such as gender, age, or BMI) to estimate a person's lifespan and provide an estimated time of death.
{{Death-date and age}} displays a person's date of death and age at that date. Besides calculating the age at death, the benefit of using this template is to allow for the inclusion of hidden microformat dates, which may be indexed or searched by software tools.
Later it was used to refer to a subset of Structured Query Language (SQL) for declaring tables, columns, data types and constraints. SQL-92 introduced a schema manipulation language and schema information tables to query schemas. [2] These information tables were specified as SQL/Schemata in SQL:2003.
This template returns a person's date of death and age at that date. Template parameters [Edit template data] Parameter Description Type Status Year of death 1 The year in which the person died Number required Month of death 2 The month (number) in which the person died Number required Day of death 3 The day (number) in which the person died Number required Year of birth 4 The year in which ...
Long division is the standard algorithm used for pen-and-paper division of multi-digit numbers expressed in decimal notation. It shifts gradually from the left to the right end of the dividend, subtracting the largest possible multiple of the divisor (at the digit level) at each stage; the multiples then become the digits of the quotient, and the final difference is then the remainder.