Tips for using SQL Server 2017 triggers Try to use CHECK constraints instead of triggers whenever possible. Constraints are much more efficient than triggers and can boost performance. Constraints are also more consistent and reliable in comparison with triggers, because you can make errors when you write your own code to perform the same actions as the constraints. So, you...
Tag: JSON
Tips for using constraints in SQL Server 2017
Tips for using constraints in SQL Server 2017 Use cascading referential integrity constraints instead of triggers whenever possible. For example, if you need to make cascading deletes or updates, specify the ON DELETE or ON UPDATE clause in the REFERENCES clause of the CREATE TABLE or ALTER TABLE statement. The cascading referential integrity constraints are much more efficient than triggers...
Using Oracle SQL Functions for JSON in Oracle Database 12c
Using Oracle SQL Functions for JSON in Oracle Database 12c By Yuli Vasiliev Oracle Database 12c introduces Oracle SQL functions for JSON as a key feature of the JSON support. With the help of these functions, you can query JSON data, project it relationally, and even index JSON content. This article gives some examples on how to use Oracle SQL […]
Projecting JSON Data Into Relational Format in Oracle Database
Projecting JSON Data Into Relational Format in Oracle Database By Yuli Vasiliev It is common for Web services and Web applications today to use JSON as a data-interchange format. Starting with release 12.1, Oracle Database supports JSON, allowing you to access JSON content stored either inside or outside of the database. This article explains how you might project JSON data...
Projecting JSON Data Into Relational Format in Oracle Database
Projecting JSON Data Into Relational Format in Oracle Database By Yuli Vasiliev It is common for Web services and Web applications today to use JSON as a data-interchange format. Starting with release 12.1, Oracle Database supports JSON, allowing you to access JSON content stored either inside or outside of the database. This article explains how you might project JSON data […]