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https://forums.mysql.com/read.php?32,65494,65494
Apr 10, 2008 · MySQL support for SQL-99 OLAP functions? Posted by: Seth Grimes Date: January 20, 2006 03:11PM What are MySQL plans to implement SQL-99 OLAP (on-line analytical processing) extensions? I'm referring to stuff such -- <aggregate function> (<field>) OVER (PARTITION BY <field2> ORDER BY <field3> ASC ROWS 2 PRECEDING )
https://forums.mysql.com/read.php?32,65494,68610
Apr 10, 2008 · Nah, I don't think this is supported. MySQL support the usual (traditional) aggregate functions, some very useful MySQL specific ones (GROUP_CONCAT) and you can add your own aggregate functions (as UDF's).
https://forums.mysql.com/read.php?32,65494,204114
Apr 10, 2008 · QB opens a new connection for each transaction or if you didn't start on (use buttons on the toolbar) each statement. So this means user variables and …
https://forums.mysql.com/read.php?32,65494,204605
Apr 10, 2008 · We can do ranking this way.. I have a table tbl with two columns - dep and sal mysql> select * from tbl; +-----+-----+ dep sal +-----+-----+ 1 100
https://forums.mysql.com/read.php?32,65494,89649
Apr 10, 2008 · unfortunately no analytic functions are there. Adding to Roland Bouman, you can use variables to simulate ranking. something like get five hiest salaries by departments
https://forums.mysql.com/read.php?32,65494,204090
Apr 10, 2008 · Can i have UDF for the analytical function like RANK, DENSE_RANK, ROW_NUMBER etc with the syntax <aggregate function> (<field>) OVER (PARTITION BY …
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/sqlrf/OLAP-Functions.html
OLAP functions returns data from a dimensional object in two-dimension relational format. The OLAP function is: ... 2.6.4.99 USE_NL Hint ... C.4 Oracle Support for Optional Features of SQL/Foundation ...7.7/10
https://docs.oracle.com/cd/E11882_01/olap.112/e23381/olap_functions.htm
2 OLAP Functions. The OLAP functions extend the syntax of the SQL analytic functions. This syntax is familiar to SQL developers and DBAs, so you can adopt it more easily than proprietary OLAP languages and APIs. Using the OLAP functions, you can create all standard calculated measures, including rank, share, prior and future periods, period-to ...
https://dev.mysql.com/doc/en/compatibility.html
1.8 MySQL Standards Compliance . 1.8.1 MySQL Extensions to Standard SQL ... We are not afraid to add extensions to SQL or support for non-SQL features if this greatly increases the usability of MySQL Server for a large segment of our user base. ... MySQL also implements a subset of the SQL/JSON functions specified by a pre-publication draft of ...
https://stackoverflow.com/questions/13599182/convert-t-sql-query-to-ansi-sql-99-standard
They're optional, so implementations don't have to support them. Core SQL-99 is the bits of SQL-99 that all implementations are required to support, but SQL-99 is significantly more than merely Core SQL-99, and it's not clear from your question whether you can use all of it. – user743382 Nov 28 '12 at 6:48
https://en.wikipedia.org/wiki/SQL:1999
Data types Boolean data types. The SQL:1999 standard calls for a Boolean type, but many commercial SQL servers (Oracle Database, IBM DB2) do not support it as a column type, variable type or allow it in the results set. Microsoft SQL Server is one of the few database systems that properly supports BOOLEAN values using its "BIT" data type [citation needed].
https://www.guru99.com/oracle-vs-sql-server.html
Oracle supports star query optimization while SQL server doesn’t offer query optimization. In oracle, values do not change before commit whereas in SQL Server values are changed even before commit. Oracle allows rollback during the transaction process whereas SQL server doesn’t allow rollback in the transaction process.
https://stackoverflow.com/questions/3333665/rank-function-in-mysql
I need to find out rank of customers. Here I am adding the corresponding ANSI standard SQL query for my requirement. Please help me to convert it to MySQL . SELECT RANK() OVER (PARTITION BY Gender ORDER BY Age) AS [Partition by Gender], FirstName, Age, Gender FROM Person Is there any function to find out rank in MySQL?
https://www.guru99.com/introduction-to-database-sql.html
SQL is the standard language for dealing with Relational Databases. SQL can be used to insert, search, update and delete database records. SQL can do lots of other operations including optimizing and maintenance of databases. Relational databases like MySQL Database, Oracle, Ms SQL server, Sybase, etc uses SQL.
https://docs.oracle.com/cd/B19306_01/olap.102/b14349/sql_queries.htm
4 Querying Dimensional Objects Using SQL. You can query the rich data stored in dimensional objects using SQL. This chapter explains the basics of querying relational views of cubes and dimensions. This chapter includes the following topics: Querying Dimensional Data in SQL. Exploring the Shape of OLAP Views. Creating Basic Queries
https://docs.oracle.com/cd/E11882_01/server.112/e25554/analysis.htm
Overview of SQL for Analysis and Reporting. Oracle has enhanced SQL's analytical processing capabilities by introducing a new family of analytic SQL functions. These analytic functions enable you to calculate: ... The regression functions support the fitting of an ordinary-least-squares regression line to a set of number pairs. You can use them ...
https://docs.microsoft.com/en-us/sql/t-sql/functions/percentile-disc-transact-sql
PERCENTILE_DISC (Transact-SQL) 10/20/2015; 2 minutes to read +1; In this article. APPLIES TO: SQL Server Azure SQL Database Azure Synapse Analytics (SQL DW) Parallel Data Warehouse Computes a specific percentile for sorted values in an entire rowset or within a rowset's distinct partitions in SQL …
https://sqldbpool.com/2008/03/17/mysql-question-and-answers/
Mar 17, 2008 · How do you start and stop MySQL on Windows? - net start MySQL, net stop MySQL How do you start MySQL on Linux? - /etc/init.d/mysql start Explain the difference between mysql and mysqli interfaces in PHP? - mysqli is the object-oriented version of mysql library functions. What’s the default port for MySQL Server? - 3306…
http://troels.arvin.dk/db/rdbms/
Comparison of different SQL implementations. The goal of this page was to gather information relevant for people who are porting SQL from one product to another and/or are interested in possibilities and limits of 'cross-product' SQL.
https://www.eweek.com/database/mysql-makes-push-into-the-enterprise
Apr 11, 2003 · MySQL AB launched its first-ever users' conference with a bang when it released source code for Version 5 of its open-source database. ... triggers, core SQL-99 …
https://sqldbpool.com/tag/mysql/
Jun 23, 2009 · Explain the difference between mysql and mysqli interfaces in PHP? – mysqli is the object-oriented version of mysql library functions. ... Which storage engines support transactions in MySQL? – Berkeley DB and InnoDB. ... Database Administrator and Developer in the Microsoft SQL Server, MySQL, PostgreSQL, MariaDB, Redshift and Aurora.
https://sites.google.com/site/statisticsmonkey/mysql/15-olap-cubes
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https://www.edureka.co/blog/interview-questions/sql-interview-questions
In this SQL Interview Questions blog, I will introduce you to the most frequently asked questions on SQL (Structured Query Language). This blog is the perfect guide for you to learn all the concepts related to SQL, Oracle, MS SQL Server and MySQL database.
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