Add In-Memory examples for SQL Server 2014 and 2016/2017

Author: ktaranov

Scripts/IN_Memory_Example_2014.sql

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+-- https://docs.microsoft.com/en-us/sql/relational-databases/in-memory-oltp/overview-and-usage-scenarios
+USE master;
+GO
+
+IF OBJECT_ID('[TESTDB]', '') IS NOT NULL DROP DATABASE [TESTDB];
+GO
+
+CREATE DATABASE [TESTDB]
+ CONTAINMENT = NONE
+ ON  PRIMARY 
+( NAME = N'TESTDB',  FILENAME = N'd:\MSSQL\MSSQL12.MSSQLSERVER\MSSQL\DATA\TESTDB.mdf', SIZE = 128MB, MAXSIZE = UNLIMITED, FILEGROWTH = 128MB), 
+FILEGROUP [TESTDB] CONTAINS MEMORY_OPTIMIZED_DATA DEFAULT
+( NAME = N'TESTDB_mod', FILENAME = N'd:\MSSQL\MSSQL12.MSSQLSERVER\MSSQL\DATA\TESTDB_mod', MAXSIZE = UNLIMITED)
+ LOG ON 
+( NAME = N'TESTDB_log', FILENAME = N'd:\MSSQL\MSSQL12.MSSQLSERVER\MSSQL\DATA\TESTDB_log.ldf', SIZE = 128MB, MAXSIZE = 2048MB, FILEGROWTH = 128MB)
+GO
+
+USE TESTDB;
+GO
+-- configure recommended DB option
+ ALTER DATABASE CURRENT SET MEMORY_OPTIMIZED_ELEVATE_TO_SNAPSHOT=ON
+ GO
+ -- memory-optimized table
+ CREATE TABLE dbo.table1
+ ( c1 INT IDENTITY PRIMARY KEY NONCLUSTERED,
+   c2 NVARCHAR(4000))
+ WITH (MEMORY_OPTIMIZED=ON)
+ GO
+ -- non-durable table
+ CREATE TABLE dbo.temp_table1
+ ( c1 INT IDENTITY PRIMARY KEY NONCLUSTERED,
+   c2 NVARCHAR(4000))
+ WITH (MEMORY_OPTIMIZED=ON,
+       DURABILITY=SCHEMA_ONLY)
+ GO
+ -- memory-optimized table type
+ CREATE TYPE dbo.tt_table1 AS TABLE
+ ( c1 INT IDENTITY,
+   c2 NVARCHAR(4000),
+   is_transient BIT NOT NULL DEFAULT (0),
+   INDEX ix_c1 HASH (c1) WITH (BUCKET_COUNT=1024))
+ WITH (MEMORY_OPTIMIZED=ON)
+ GO

Scripts/IN_Memory_Example_2017.sql

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+-- https://docs.microsoft.com/en-us/sql/relational-databases/in-memory-oltp/overview-and-usage-scenarios
+USE master;
+
+CREATE DATABASE [TESTDB]
+ CONTAINMENT = NONE
+ ON  PRIMARY 
+( NAME = N'TESTDB',  FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\TESTDB.mdf', SIZE = 64MB, MAXSIZE = UNLIMITED, FILEGROWTH = 64MB), 
+FILEGROUP [TESTDB] CONTAINS MEMORY_OPTIMIZED_DATA DEFAULT
+( NAME = N'TESTDB_mod', FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\TESTDB_mod', MAXSIZE = UNLIMITED)
+ LOG ON 
+( NAME = N'TESTDB_log', FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\TESTDB_log.ldf', SIZE = 64MB, MAXSIZE = 2048MB, FILEGROWTH = 64MB)
+GO
+
+USE [TESTDB]
+GO
+
+-- configure recommended DB option
+ ALTER DATABASE CURRENT SET MEMORY_OPTIMIZED_ELEVATE_TO_SNAPSHOT=ON
+ GO
+ -- memory-optimized table
+ CREATE TABLE dbo.table1
+ ( c1 INT IDENTITY PRIMARY KEY NONCLUSTERED,
+   c2 NVARCHAR(MAX))
+ WITH (MEMORY_OPTIMIZED=ON)
+ GO
+ -- non-durable table
+ CREATE TABLE dbo.temp_table1
+ ( c1 INT IDENTITY PRIMARY KEY NONCLUSTERED,
+   c2 NVARCHAR(MAX))
+ WITH (MEMORY_OPTIMIZED=ON,
+       DURABILITY=SCHEMA_ONLY)
+ GO
+ -- memory-optimized table type
+ CREATE TYPE dbo.tt_table1 AS TABLE
+ ( c1 INT IDENTITY,
+   c2 NVARCHAR(MAX),
+   is_transient BIT NOT NULL DEFAULT (0),
+   INDEX ix_c1 HASH (c1) WITH (BUCKET_COUNT=1024))
+ WITH (MEMORY_OPTIMIZED=ON)
+ GO
+ -- natively compiled stored procedure
+ CREATE PROCEDURE dbo.usp_ingest_table1
+   @table1 dbo.tt_table1 READONLY
+ WITH NATIVE_COMPILATION, SCHEMABINDING
+ AS
+ BEGIN ATOMIC
+     WITH (TRANSACTION ISOLATION LEVEL=SNAPSHOT,
+           LANGUAGE=N'us_english')
+
+   DECLARE @i INT = 1
+
+   WHILE @i > 0
+   BEGIN
+     INSERT dbo.table1
+     SELECT c2
+     FROM @table1
+     WHERE c1 = @i AND is_transient=0
+
+     IF @@ROWCOUNT > 0
+       SET @i += 1
+     ELSE
+     BEGIN
+       INSERT dbo.temp_table1
+       SELECT c2
+       FROM @table1
+       WHERE c1 = @i AND is_transient=1
+
+       IF @@ROWCOUNT > 0
+         SET @i += 1
+       ELSE
+         SET @i = 0
+     END
+   END
+
+ END
+ GO
+ -- sample execution of the proc
+DECLARE @table1 dbo.tt_table1
+INSERT @table1 (c2, is_transient) VALUES (N'sample durable', 0)
+INSERT @table1 (c2, is_transient) VALUES (N'sample non-durable', 1)
+EXECUTE dbo.usp_ingest_table1 @table1=@table1
+SELECT c1, c2 from dbo.table1
+SELECT c1, c2 from dbo.temp_table1
+GO