
sql - What is difference between ANSI and non-ANSI joins, and …
I have come across many websites to find the answer about which one is better, ANSI or non- ANSI syntax. What is the difference between these two queries? select a.name,a.empno,b.loc …
mysql - What does SQL Select symbol || mean? - Stack Overflow
Apr 29, 2014 · sql server: + (infix operator), concat ( vararg function ) Edit : Now Azure SQL also supports ANSI SQL standard || operator for string concatenation. Docs link.
sql server - Will ANSI JOIN vs. non-ANSI JOIN queries perform ...
The two queries are the same, except the second is ANSI-92 SQL syntax and the first is the older SQL syntax which didn't incorporate the join clause. They should produce exactly the same …
Why isn't SQL ANSI-92 standard better adopted over ANSI-89?
At every company I have worked at, I have found that people are still writing their SQL queries in the ANSI-89 standard: select a.id, b.id, b.address_1 from person a, address b where a.id = …
Exactly what dialect of SQL does snowflake support
Oct 11, 2021 · As long as you don't have too many generic sql or other DB-specific tags used, using any SQL that runs on Snowflake, is acceptable. Many people, like Gordan, will give …
reference - ANSI SQL Manual - Stack Overflow
Aug 16, 2013 · Can anyone recommend a good ANSI SQL reference manual? I don't necessary mean a tutorial but a proper reference document to lookup when you need either a basic or …
Should I use != or <> for not equal in T-SQL? - Stack Overflow
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 …
What are the differences between T-SQL, SQL Server and SQL
Sep 19, 2013 · SQL is the basic ANSI standard for accessing data in a relational database. When you see "MSSQL" it is referring to Microsoft SQL Server, which is the entire database …
Database Engines and ANSI SQL Compliance - Stack Overflow
Aug 31, 2010 · I've been searching for half an hour and can't find any resources stating what level of the SQL ANSI standard is supported on various database engines. It looks like some level …
sql server - Understanding QUOTED_IDENTIFIER - Stack Overflow
SQL Server still lets you use [square brackets], rather than forcing you to use "quotation marks". But with QUOTED_IDENTIFIER ON, you cannot use "double quote quotation mark around …