Microsoft SQL Server
- Getting started with Microsoft SQL Server
- Awesome Book
- Awesome Community
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- Advanced options
- Aggregate Functions
- Alias Names in Sql Server
- Analyzing a Query
- Backup and Restore Database
- Basic DDL Operations in MS SQL Server
- bcp (bulk copy program) Utility
- BULK Import
- CASE Statement
- CLUSTERED COLUMNSTORE
- COALESCE
- Common Language Runtime Integration
- Common Table Expressions
- Computed Columns
- Converting data types
- CREATE VIEW
- cross apply
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- Installing SQL Server on Windows
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- JSON in Sql Server
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- Logical Functions
- Managing Azure SQL Database
- MERGE
- Microsoft SQL Server Management Studio Shortcut Keys
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- Natively compiled modules (Hekaton)
- NULLs
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- OVER Clause
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- Resource Governor
- Retrieve information about the database
- Retrieve Information about your Instance
- Row-level security
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- Schemas
- SCOPE_IDENTITY()
- SELECT statement
- Basic SELECT from table
- Filter groups using HAVING clause
- Filter rows using WHERE clause
- Group result using GROUP BY
- Pagination using OFFSET FETCH
- Returning only first N rows
- SELECT without FROM (no data souce)
- Sort results using ORDER BY
- Sequences
- Service broker
- Sorting/ordering rows
- Spatial Data
- Split String function in Sql Server
- SQL Server Evolution through different versions (2000 - 2016)
- SQL Server Management Studio (SSMS)
- SQLCMD
- Stored Procedures
- Storing JSON in SQL tables
- String Aggregate functions in SQL Server
- String Functions
- Subqueries
- System database - TempDb
- Table Valued Parameters
- Temporal Tables
- The STUFF Function
- Transaction handling
- Transaction isolation levels
- Trigger
- TRY/CATCH
- UNION
- Use of TEMP Table
- User Defined Table Types
- Variables
- Views
- WHILE loop
- Window functions
- With Ties Option
Microsoft SQL Server SELECT statement SELECT without FROM (no data souce)
Example
SELECT statement can be executed without FROM clause:
declare @var int = 17;
SELECT @var as c1, @var + 2 as c2, 'third' as c3
In this case, one row with values/results of expressions are returned.
