grandiose
发表于 2025-3-28 16:50:57
In-Memory Tables,o be as fast as possible in completing the given unit of work. The slowest component of completing the unit of work will be accessing data in tables on a disk, physical I/O. To try to reduce physical I/O and instead use logical I/O, SQL Server will try to hold data in memory based on its own calcula
阶层
发表于 2025-3-28 22:38:25
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Fortify
发表于 2025-3-29 01:59:53
Selecting and Updating Data from Disk-Based Tables,foundation for the more advanced T-SQL found in the forthcoming chapters. This chapter also sets the stage for selecting and updating data in in-memory tables. There are a great many similarities between disk-based and in-memory tables. You’ll learn more about in-memory tables in Chapter 13.
excrete
发表于 2025-3-29 05:48:31
Working with In-Memory Tables,k. The aim of this chapter is to move forward and look at how to work with that data outside of stored procedures, as well as at the performance improvements in-memory-based data can provide. You will also see how in-memory tables use a concurrency model that tries to ensure that processes work as q
Range-Of-Motion
发表于 2025-3-29 08:00:13
Building a View,view. A view is a named query that can be used against one or more tables. Views are used as a security measure by restricting users to accessing only certain columns or rows from an underlying table, as a method of joining data from multiple tables and presenting it as if that data resided in one t
反感
发表于 2025-3-29 15:12:22
Stored Procedures, Functions, and Security,. within SQL Server, allowing them to be run as often as they are required without the need to be retyped every time. This also allows code to be written that can accept input parameters, return a status, return rows of data, and, most important, allow you to improve the security of your database. Y
pineal-gland
发表于 2025-3-29 15:56:57
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食道
发表于 2025-3-29 21:50:34
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beta-carotene
发表于 2025-3-30 02:23:32
Triggers,tabase, or elsewhere within SQL Server; a trigger is the object that will do this for you. When a modification to your data occurs, SQL Server will fire a trigger, which is a specialized stored procedure that will run, performing the actions that you desire. Triggers are most commonly used to perfor
可商量
发表于 2025-3-30 05:44:04
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