Specify Schema

Kevin Feasel

2016-04-07

T-SQL

Kenneth Fisher warns that you should specify schemas in scripts:

But why? I mean the table gets created either way and since the default is dbothere is no real reason to name it.

Actually no. The default is not in fact dbo. It frequently is dbo but by no means always. The default schema is part of your USER information. Specifically theDEFAULT_SCHEMA option. Well, unless you are a sysadmin. Then it actually does always default to dbo.

Schemas are a very powerful grouping mechanism, and they’ve been around long enough that if you aren’t taking full advantage of them, you really should.

Related Posts

Converting Binary To Hex With T-SQL

Dave Mason uses STRING_SPLIT to convert binary values to their hex equivalents: I started pondering it for a bit and began to wonder if I could use the new for SQL Server 2016 STRING_SPLIT function to convert a binary string to decimal. The thought process was to split the string into rows of CHAR(1) values, along with an in-string character […]

Read More

Faster Scalar Functions In SQL Server 2019

Brent Ozar looks at improvements the SQL Server team has made to scalar functions in 2019: My database has to be in 2019 compat mode to enable Froid, the function-inlining magic. Run the same query again, and the metrics are wildly different: Runtime: 4 seconds CPU time: 4 seconds Logical reads: 3,247,991 (which still sounds bad, […]

Read More

Categories

April 2016
MTWTFSS
« Mar May »
 123
45678910
11121314151617
18192021222324
252627282930