Skills SQL Server TSQL: Difference between revisions
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== Standard SQL == | == Standard SQL == | ||
Select, Insert, Update, Delete, Truncate, Merge | Select, Insert, Update, Delete, Truncate, Merge, tables, columns | ||
== Window functions == | == Window functions == | ||
Revision as of 15:27, 7 October 2024
Used at:...
Standard SQL
Select, Insert, Update, Delete, Truncate, Merge, tables, columns
Window functions
OVER (ORDER BY col1)
Group by/aggregation
WHERE clause / Having
CTE - Common Table Expressions
Used at:...
Used at: MUFG Securities
Use of SQL Server CTEs (Common Table Expressions).
Sorting
Order By
Desc - descending order
Sub-queries
Views
Joins
Inner Join
Left Join
Cartesian joins (cross-products) with no where clause
Indexes and keys
Primary keys
Foreign keys
Clustered indexes
Non-clustered indexes
Index Rebuilds
Index/table statistics refreshing
Stored Procedures
Used at:...
Used at: MUFG Securities Five Guys Premier Foods Autodata
Pivot
Used at:...
Used at: Autodata
Pivot function
Unpivot function
Union
Used at:...
Used at: Autodata
Union
Union All
Datatypes
Int, VarChar(8000), DateTime
Dynamic SQL
Used at:...
Used at: Autodata
Dynamic SQL
SQL Injection
Other
Cursors
BCP - Bulk copy protocol
Triggers