Sessionization with SQLPattern Matching Videos Tom Kyte: 12 Features of Oracle Database 12c George Lumpkin: Big Data and Data Warehousing for the Enterprise Keep It Simple SQL (KISS): Checkout the growing library of SQL videos on our YouTube channel byclicking here ...
Window function是OLAP的查询中比较常见的SQL construct,提供了“引用临近区域元组”的语义,这种语义使得一些分析型query的编写更加简单,可以避免不必要的相关子查询结构。此外,很多系统(Oracle/PolarDB) 内部也实现了用window function做subquery unnesting,避免相关子查询的低效执行,因此window算子本身的高效实现意义就更大...
How to select the top-N rows per group with SQL in Oracle Database Chris Saxon 18 minute read OGB Appreciation Day: SQL Pattern Matching (match_recognize) Use Cases Chris Saxon 10 minute read How to convert rows to columns (PIVOT) and back again (UNPIVOT) with ... Chris Saxon 10 ...
Technical Information Learn more about the compelling array of analytical features and functions that are accessible through SQL using Oracle Database 18c .Technical InformationData SheetsAnalytical SQL Data Sheet WhitepapersSQL - the natural language for analysis Patterns Everywhere - Find then fast!
A SQL generator, which generates SQL used for execution in response to queries that select from the Analytic View. If you like, you can think of the Analytic View as a Business Intelligence server, focused on a dimensional model, embedded in the Oracle Database. (I prefer that ov...
The Oracle Fusion Data Intelligence applications currently leverage a smaller number of Overview Dashboards that provide high-level summary information. These can drill down to a larger number of Detail Dashboards. Each of the Detail Dashboards provide m
It supports ANSI SQL syntax, including single table aggregation, sorting, filtering and multi table join, sub query, etc. It also supports complex SQL syntax such as window function and grouping sets. At the same time, users can expand system functions through UDF, UDAF. In addition, Apache ...
Mechanism 4.5.3 Executing Undo Engine 4.5.4 Exception Messages 4.6 Data Slicing 4.6.1 Process flow 4.6.2 Executing the Data Slicing Function 5 Data Loaders 5.1 Dimension Loaders 5.1.1 Enhancements to Support Alphanumeric Code in Dimensions 5.1.2 Tables that are Part Of...
print_function, unicode_literals, ) import logging import re from typing import Any, Optional from sqlalchemy import sql from sqlalchemy.engine import default, reflection logger: logging.Logger = logging.getLogger(__name__) class VerticaInspector(reflection.Inspector): """Reflection inspector for Ver...
Copy the name defined in the annotation @AbapCatalog.sqlViewName, place it in ODP Name parameter and execute the program. In the right section of the screen we can see two types of icons, the left one confirms that we have a valid dimension associated with the attribute (based on a ...