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Explicit vs implicit SQL joins
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Performance wise, they are exactly the same (at least in SQL Server).
PS: Be aware that the IMPLICIT OUTER JOIN syntax is deprecated since SQL Server 2005. (The IMPLICIT INNER JOIN syntax as used in the question is still supported)
Deprecation of "Old Style" JOIN Syntax: Only A P...
Should I index a bit field in SQL Server?
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Consider what an index is in SQL - and index is really a chunk of memory pointing at other chunks of memory (i.e. pointers to rows). The index is broken into pages so that portions of the index can be loaded and unloaded from memory depending on usage.
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Update multiple columns in SQL
Is there a way to update multiple columns in SQL server the same way an insert statement is used?
13 Answers
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SQL Server 2012 column identity increment jumping from 6 to 1000+ on 7th entry [duplicate]
I have a strange scenario in which the auto identity int column in my SQL Server 2012 database is not incrementing properly.
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How to execute a MySQL command from a shell script?
How can I execute an SQL command through a shell script so that I can make it automated?
14 Answers
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Difference between numeric, float and decimal in SQL Server
...imal in .NET
both have (18, 0) as default (precision,scale) parameters in SQL server
scale = maximum number of decimal digits that can be stored to the right of the decimal point.
kindly note that money(8 byte) and smallmoney(4 byte) are also exact and map to Decimal In .NET and have 4 decimal poin...
How can I import a database with MySQL from terminal?
How can I import a database with mysql from terminal?
18 Answers
18
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Inserting multiple rows in a single SQL query? [duplicate]
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In SQL Server 2008 you can insert multiple rows using a single SQL INSERT statement.
INSERT INTO MyTable ( Column1, Column2 ) VALUES
( Value1, Value2 ), ( Value1, Value2 )
For reference to this have a look at MOC Course 2778A...
Login failed for user 'DOMAIN\MACHINENAME$'
...of : The error "Login failed for user 'NT AUTHORITY\IUSR'" in ASP.NET and SQL Server 2008 and Login failed for user 'username' - System.Data.SqlClient.SqlException with LINQ in external project / class library but some things don't add up compared to other appliations on my server and I am not s...
In SQL Server, when should you use GO and when should you use semi-colon ;?
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GO only relates to SSMS - it isn't actual Transact SQL, it just tells SSMS to send the SQL statements between each GO in individual batches sequentially.
The ; is a SQL statement delimiter, but for the most part the engine can interpret where your statements are broken up.
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