Product Manager Hi I'm John and I'm a Product Manager at Oracle. I'm passionate about making complex technologies easier to understand and use. Since my early days as a technical writer at Sun, through working
Oracle Spatial and Graph is a geographic information system (GIS) which provides users the ability to store spatial data alongside conventional data in Oracle. As a result of the coexistence of spatial and other data, we observe a trend towards users performing increasingly complex queries which ...
The Oracle Database supports function and procedure declarations within the with clause since version 12cR1 (documentation). DML in with (PostgreSQL) Starting with 9.1, the PostgreSQL database supports DML statements (insert, update, delete) within the body of with queries (documentation). When usi...
Another way to improve performance is to keep your EQL queries as simple as possible. Evaluating an EQL query can take up a lot of resources, so the more complex the EQL queries on a page, the slower the page will be. Also, the EQL queries are evaluated in parallel as much as possibl...
[oracle@solaris ~]oerr ora 12015 12015, 00000, “cannot create a fast refresh materialized view from a complex query” // *Cause: Neither ROWIDs and nor primary key constraints are supported for // complex queries. // *Action: Reissue the command with the REFRESH FORCE or REFRESH COMPLETE ...
The query also contains multiple joins, sub queries, etc. I can program the variables with the Script Task, but am stumbling on 1) where to put the query string (too long for sql command box) and 2) if this works, can SSIS even run complex queries out of Oracle? I do not have ...
Introduced in SQL Server 2005 and supported by many modern relational database systems (such as PostgreSQL, MySQL, and Oracle), Recursive CTEs enable you to write queries that process data in a recursive manner, making them particularly useful for tasks like traversing trees, generating series, ...
You can use complex parameter types (CPTs) to make one or several streaming data sources available for Liquid Data queries. Such content is variously called runtime source, data stream, real-time data, or in-flight XML. As long as an XML schema can model the runtime source, you can use...
queries regularly to optimize SQL performance. Users can also expect idea about different industrial roles as well as responsibilities associated with the roles. You will also find Oracle errors with descriptions on this website in order to solve real-life industrial problems with ease. We will ...
The files are available inOracle,SQL Server,MySQL, andPostgreSQL. So, feel free to follow along by downloading the scripts in that post. Requirements What query are we going to write? What are our requirements? Let’s say we’re in a team and we have a Product Owner who wants a report...