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携程遭超长宕机：内部数据管理恐存严重漏洞 - 资讯 - 清泛网 - 专注C/C++及内核技术
...近期互联网重大事故频发，互联网的安全性、应急能力（包括但不限于关键业务的热备容灾等），正在接受检验，建议企业做好安全自查。
对于普通用户，腾讯安全专家建议，遇到此事不要过于恐慌，可紧密关注官方回应，如...
How do I turn off Oracle password expiration?
...mand:
ALTER USER xyz_user IDENTIFIED BY new_password;
Below is a little SQL*Plus script that a privileged user (e.g. user 'SYS') can use to reset a user's password to the current existing hashed value stored in the database.
EDIT: Older versions of Oracle store the password or password-hash in t...
Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
...
Updated
For MS SQL Server 2012 and above
USE [master];
DECLARE @kill varchar(8000) = '';
SELECT @kill = @kill + 'kill ' + CONVERT(varchar(5), session_id) + ';'
FROM sys.dm_exec_sessions
WHERE database_id = db_id('MyDB')
EXEC(@kill);...
What are the best PHP input sanitizing functions?
...way to make sure data is properly escaped and encoded. If you're building SQL, then the accepted way to pass data in queries is through prepared statements with placeholders.
One of the better ways to work with most SQL databases in PHP is the PDO extension. It follows the common pattern of prepar...
What's the difference between a catalog and a schema in a relational database?
...n Introduction to Database Systems, 7th ed., C.J. Date, p 69-70.
From the SQL standard point of view :
Catalogs are named collections of schemas in an SQL-environment. An
SQL-environment contains zero or more catalogs. A catalog contains
one or more schemas, but always contains a schema nam...
windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...们用Visual Studio调试器调试应用程序，就不能再用CDB得到它的附加信息了？不，不完全是这样，因为除了全功能调试模式外，CDB还支持入侵调试模式。
CDB以入侵模式附上目标进程时，并没有使用Win32 Debugging API，而是先暂停目标...
Why would you use Oracle database? [closed]
...hy you choose Oracle database versus the latest flavors of:
1) Microsoft SQL Server
2) MySQL
3) PostgreSQL
6 Answer...
What is the meaning of the prefix N in T-SQL statements and when should I use it?
I have seen prefix N in some insert T-SQL queries. Many people have used N before inserting the value in a table.
4 Answe...
Remove all spaces from a string in SQL Server
What is the best way to remove all spaces from a string in SQL Server 2008?
23 Answers
...
How do I make a composite key with SQL Server Management Studio?
How do I make a composite key with SQL Server Management Studio?
7 Answers
7
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