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Oracle PL/SQL - How to create a simple array variable?
I'd like to create an in-memory array variable that can be used in my PL/SQL code. I can't find any collections in Oracle PL/SQL that uses pure memory, they all seem to be associated with tables. I'm looking to do something like this in my PL/SQL (C# syntax):
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How do you check if a certain index exists in a table?
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Just to add: "Beginning with SQL Server 2016 you can use the DROP INDEX IF EXISTS syntax." MS documentation
– heringer
Sep 1 '17 at 11:39
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SQL “between” not inclusive
...nted to display, export, import, or write a class with a datetime. I think SQL Server has plenty of built-in functionality to manipulate and compare datetimes for most purposes.
– Tim Lehner
May 3 '13 at 13:19
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Unioning two tables with different number of columns
... when you're using set based operators so Kangkan's answer is correct.
SAS SQL has specific operator to handle that scenario:
SAS(R) 9.3 SQL Procedure User's Guide
CORRESPONDING (CORR) Keyword
The CORRESPONDING keyword is used only when a set operator is specified. CORR causes PROC SQL to match the...
How to store a list in a column of a database table
...abase design for no good reason. Since you state that you're just learning SQL, I would strongly advise you to avoid this idea and stick with the practices recommended to you by more seasoned SQL developers.
The principle you're violating is called first normal form, which is the first step in data...
Entity Framework is Too Slow. What are my options? [closed]
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You should start by profiling the SQL commands actually issued by the Entity Framework. Depending on your configuration (POCO, Self-Tracking entities) there is a lot room for optimizations. You can debug the SQL commands (which shouldn't differ between debug ...
Is there a way to list open transactions on SQL Server 2000 database?
Does anyone know of any way to list open transactions on SQL Server 2000 database?
4 Answers
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how do i do an insert with DATETIME now inside of SQL server mgmt studio
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Use CURRENT_TIMESTAMP (or GETDATE() on archaic versions of SQL Server).
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In SQL, how can you “group by” in ranges?
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Neither of the highest voted answers are correct on SQL Server 2000. Perhaps they were using a different version.
Here are the correct versions of both of them on SQL Server 2000.
select t.range as [score range], count(*) as [number of occurences]
from (
select case
wh...
sql “LIKE” equivalent in django query
What is the equivalent of this SQL statement in django?
5 Answers
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