proper function in sql

In keeping your servers and data secure from the current complex attacks, SQL Server has everything you need. But before you can effectively use these security features, you need to understand the threats you face and some basic security concepts.

The SQL injection vulnerability attacks have aroused widespread concern because they can penetrate the firewall and Intrusion Detection System to damage your data layer. Whether it is the first or second-level injection attack, if you look at the

by Don Kiely, 2014/06/18The seriesThis article is part of the stair series: a staircase to SQL Server security.SQL Server has everything you need to protect your servers and data from today's sophisticated attacks. But before you can effectively use

This article is the second in the SQL Server Security series, please refer to the original text for more information. Validation is the process of examining the subject. The principal requires a unique identity, so that SQL Server can

The most obvious feature of SQL differs from other programming languages is the order in which the code is processed. In a large number programming language, code is processed in encoded order, but in the SQL language, the first processed clause is

----------------------------I'm a split line-------------------------------This article is translated from the Microsoft white Paper SQL Server in-memory OLTP Internals Overview: http://technet.microsoft.com/en-us/library/dn720242.aspxTranslators

Author: obuntu I like the theory that SQL server uses four steps to locate performance problems. The details are as follows:1. resource bottleneckI. Memory II. CPU III. Io2. tempdb bottleneck3. Find slow statements. You can search for them in three

How to compile efficient SQL query statements and SQL statementsOverview How can I write SQL query statements with high performance? Two Methods: creating reasonable indexes and writing efficient SQL statements Basic Principles of Indexing Indexes

In IBM's relational database product DB2, SQL Communication Area (SQLCA) is used to return nested SQL statement execution in the program to the program.In the program is targeted to the SQLCA implementation of the call, you can control the execution

server| tips for maintaining indexes on tables in SQL Server In the use and creation of database indexes often encounter some problems, here can be used in some alternative way to solve ... ww W.itbulo.cogjjwe --First step: see if you need