How to declare a table variable with existing data in sql server
Mar 19, 2020 · I want to declare a table variable in sql server which will have some hard coded values in it. I tried:
SELECT INTO a table variable in T-SQL - Stack Overflow
Oct 1, 2010 · Got a complex SELECT query, from which I would like to insert all rows into a table variable, but T-SQL doesn't allow it. Along the same lines, you cannot use a table variable with …
sql server - What's the difference between DECLARE TABLE and …
Apr 20, 2018 · The only difference between DECLARE TABLE and CREATE TABLE is: DECLARE TABLE: You will create a table on the fly and use that table later on in the query …
sql - A table name as a variable - Stack Overflow
The first block will declare the variable, and set the table name based on the current year and month name, in this case TEST_2012OCTOBER. I then check if it exists in the database …
How to use table variable in a dynamic sql statement?
On SQL Server 2008+ it is possible to use Table Valued Parameters to pass in a table variable to a dynamic SQL statement as long as you don't need to update the values in the table itself. So …
sql - Creating an index on a table variable - Stack Overflow
May 20, 2009 · In SQL Server 2000 - 2012 indexes on table variables can only be created implicitly by creating a UNIQUE or PRIMARY KEY constraint. The difference between these …
What's the difference between a temp table and table variable in …
Aug 26, 2008 · If you're writing a function you should use table variables over temp tables unless there's a compelling need otherwise. Both table variables and temp tables are stored in …
Does Oracle have an equivalent of SQL Server's table variables?
Nov 21, 2016 · In SQL Server, you can declare a table variable (DECLARE @table TABLE), which is produced while the script is run and then removed from memory. Does Oracle have a …
SQL Server tables: what is the difference between @, # and
Feb 8, 2010 · 29 Have a look at Temporary Tables vs. Table Variables and Their Effect on SQL Server Performance Differences between SQL Server temporary tables and table variables …
Can I declare a SQL variable based on another table?
Dec 5, 2023 · DECLARE @Table TABLE (CompanyCode INT, TRF INT); INSERT INTO @Table (CompanyCode, TRF) SELECT 1857, 8 UNION ALL SELECT 1848, 16 UNION ALL SELECT …