2013年9月19日 · 1.SQL is a programming language while T-SQL is an extension to SQL. 2.T-SQL is proprietary while SQL is an open format. 3.T-SQL contains procedural programming, local variable, and such while SQL does not. 4.T-SQL is Turing complete while SQL is not. 5.T-SQL has a different implementation of DELETE and UPDATE than SQL.

2015年1月26日 · Choosing between T-SQL and SQL is all up to the user. Still, using T-SQL is still better when you are dealing with Microsoft SQL Server installations. This is because T-SQL is also from Microsoft, and using the two together maximizes compatibility. SQL is preferred by people who have multiple backends. References, Wikipedea , Tutorial Points ...

2018年8月2日 · MS SQL is simply a short version of the (complete) product name Microsoft SQL Server. (Similar to "MS Office", "MS Windows" or "MS Access"). T-SQL is the SQL dialect that the product Microsoft SQL Server is using - and is short for "Transact-SQL" (thanks Aaron for reminding me!) I wouldn't call the dialect that Microsoft Access is using SQL.

2009年4月6日 · Yes; Microsoft themselves recommend using <> over != specifically for ANSI compliance, e.g. in Microsoft Press training kit for 70-461 exam, "Querying Microsoft SQL Server", they say "As an example of when to choose the standard form, T-SQL supports two “not equal to” operators: <> and !=. The former is standard and the latter is not.

2019年12月6日 · I am using the Doctrine 2 interface to access MS SQL database. I found the problem that is pretty interesting on both sides: Doctrine 2 and the MS SQL. Doctrine 2 for some reason changing query $...

2022年11月29日 · See T-SQL support. Please note the intention here is for SQL in the T-SQL dialect and not for the T-SQL procedural language. -- with LogEvents as (select now() as StartTime, 'Error' as EventType, 'Hello World' as Message) select StartTime, EventType , Message from LogEvents where StartTime > cast('2021-12-31' as date) and EventType = 'Error'

T-SQL and PL/SQL are two completely different programming languages with different syntax, type system, variable declarations, built-in functions and procedures, and programming capabilities. The only thing they have in common is direct embedding of SQL statements, and storage and execution inside a database.

2009年10月4日 · GO is not actually a T-SQL command. The GO command was introduced by Microsoft tools as a way to separate batch statements such as the end of a stored procedure. GO is supported by the Microsoft SQL stack tools but is not formally part of other tools.

2009年1月2日 · The APPLY operators are very beneficial as they give better performance than doing the same computation in a subquery. They are also a replacement of many analytical functions in older versions of SQL Server. So after being comfortable with JOINS a SQL developer should learn the APPLY operators.

Timestamp is a method for row versioning. In fact, in sql server 2008 this column type was renamed (i.e. timestamp is deprecated) to rowversion. It basically means that every time a row is changed, this value is increased. This is done with a database counter which automatically increase for every inserted or updated row. For more information: