Many of the challenges we face are unknowns, or situations in which we cannot know exactly the data we will be working with until runtime. In order to find the optimal solution in the face of unknowns, one of the best tools at our disposal is dynamic SQL.Pollack, Edward...
Azure SQL Database is based on the latest stable version of the Microsoft SQL Server database engine. You can use advanced query processing features, such as high-performance in-memory technologies and intelligent query processing. In fact, the newest capabilities of SQL Server are released first...
Dynamic Structured Query Language (SQL) is a SQL version that facilitates the generation of dynamic (or variable) program queries. Dynamic SQL allows a programmer to write code that automatically adjusts to varying databases, environments, servers or variables. Advertisements Dynamic SQL statements are...
The first is backup to URL and the second is Data Lake Virtualization.Data Lake Virtualization integrates PolyBase with S3-compatible object storage, and adds support for querying parquet files with T-SQL. Data Virtualization Query different types of data on different types of data sources from ...
A database cursor can be thought of as a pointer to a specific row within a query result. The pointer can be moved from one row to the next. Depending on the type of cursor, you may be even able to move it to the previous row. Think of it this way: a SQL result is like a ...
An ad hoc query is a single query not included in a stored procedure and not parameterized or prepared. Depending on the server settings, SQL Server can parameterize some statements initially written as ad hoc queries. Ad hoc doesn’t mean dynamic. Here’s a simple ad hoc query example in...
SQL injection is a type of attack that exploits vulnerabilities in web applications. Adversaries use this technique to construct dynamic SQL queries and insertmalicious codeinto user input fields. This code tricks databases into executing SQL commands, whichcanresult in the theft, tampering, or sabota...
SQL Server 2019 Analysis Services GA (Generally Available) Tabular model compatibility level This release introduces the 1500 compatibility level for tabular models. Query interleaving Query interleaving is a tabular mode system configuration that can improve user query response times in high-concurrency sc...
Does the word 'query' mean the same in both English dictionary and computer programming? Find out what a query is and try wriitng your own!
Data virtualization with PolyBase Query data from external SQL Server, Oracle, Teradata, MongoDB, and ODBC data sources with external tables, now with UTF-8 encoding support. For more information, see What is PolyBase?.SQL Server 2019 (15.x) Cumulative update 19 now introduces support for ...