You create SQL scalar functions when you are designing a database or developing applications. SQL scalar functions are useful to have when there is an identifiable benefit to encapsulating a piece of reusable l
DLI allows you to create and use user-defined functions (UDF) and user-defined table functions (UDTF) in Spark jobs.For details about the custom functions, see Calling UD
Built-in functions that return login names, such as SYSTEM_USER, return the name of the login that invoked the application role. Built-in functions that return database user names return the name of the application role. The Principle of Least Privilege ...
In this example, you use Easy create to create a DB instance running the SQL Server database engine with a db.t2.micro DB instance class. To create a Microsoft SQL Server DB instance with Easy create Sign in to the AWS Management Console and open the Amazon RDS console at https:...
Any functions used by the view must be deterministic, meaning that the function must always return the same result anytime it's called with the same set of input values. The following Transact-SQL syntax elements are illegal in an indexed view: The * syntax to specify all columns. Column ...
Only text search functions that specify a configuration name can be used in expression indexes. Index content is not affected by default_text_search_config, because different entries could contain tsvectors that were created with different text search configurations, and there would be no way to ...
The hundreds of functions in LabVIEW that cover a wide variety of traditional algorithms in math, signal processing, probability, and control are essential building blocks for any custom algorithm. These functions alleviate the burden of writing low-level code and give engineers the time to focus ...
it is better to store a fixed value such as date of birth. Then, whenever you need age, you can calculate it as the difference between the current date and the birth date. MySQL provides functions for doing date arithmetic, so this is not difficult. Storing birth date rather than age ha...
After this, you can use the mysql.exe command-line tool in a second console window to reproduce the problem. You can stop the mysqld server with mysqladmin shutdown. The trace file can become very large! To generate a smaller trace file, you can use debugging options something like this...
../pdk/plsql/doc 8.1 Guidelines for Creating PL/SQL Portlets When you write your portlets in PL/SQL, you should follow the best practices described in this section: Section 8.1.1, "Portlet Show Modes" Section 8.1.2, "Recommended Portlet Procedures and Functions" Section 8.1.3, "...