T-SQL
TLDR: T-SQL (Transact-SQL), introduced in 1989, is an extension of the SQL (Structured Query Language) designed for use with Microsoft SQL Server and Azure SQL Database. It enhances database querying and management by incorporating advanced features such as procedural programming, variables, and control-of-flow statements, making it indispensable for complex data operations.
https://learn.microsoft.com/en-us/sql/t-sql
T-SQL provides procedural programming capabilities, enabling developers to use constructs like BEGIN...END, IF...ELSE, and WHILE loops. These additions allow the creation of sophisticated scripts and logical flows for database management. Error handling through TRY...CATCH blocks further ensures robust applications by managing runtime exceptions effectively.
https://learn.microsoft.com/en-us/sql/t-sql/language-elements
Set-based operations are a cornerstone of T-SQL, optimizing the processing of large datasets. Tools like Common Table Expressions (CTEs) and window functions allow advanced operations such as recursive queries and analytical computations. These functionalities significantly enhance the efficiency and scope of database management tasks.
https://learn.microsoft.com/en-us/sql/t-sql/queries/with-common-table-expression
T-SQL ensures data integrity with its support for transactions, adhering to ACID principles. Commands like BEGIN TRANSACTION, COMMIT, and ROLLBACK enable precise control over data modifications, ensuring reliability in critical systems such as financial applications.
https://learn.microsoft.com/en-us/sql/t-sql/statements/begin-transaction-transact-sql
Integration capabilities are another strength of T-SQL. It facilitates seamless interaction with external systems using SQL Server Integration Services (SSIS) and supports triggers and stored procedures for task automation and enforcing business rules, streamlining workflows.
https://learn.microsoft.com/en-us/sql/ssms/overview-sql-server-management-studio
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