国外的经典数据库学习资料,通俗易懂,是chm格式的。 下面是目录: Table 1-1: New Data Types in SQL:1999 11 Table 2-1: Code Requirements and Constructs, and SQL Server Permission Sets 50 Table 2-2: Contents of sys.assemblies 54 Table 2-3: Contents of sys.assembly_references 54 Tabl
/* * Copyright (c) 2000 David Flanagan. All rights reserved. * This code is from the book Java Examples in a Nutshell, 2nd Edition. * It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or implied. * You may study, use, and modify it for any
SQL Server Data Access ComponentsCopyright 1997-2003, Core Lab. All Rights Reserved--------------------------------------------------SQL Server Data Access Components (SDAC) library offers a set ofnonvisual components for Borland Delphi and C++ Buil
这个数据库看性能不错,哪位能破解一下。Overview Absolute Database: Delphi database with SQL support.Absolute Database lets you forget the Borland Database Engine (BDE). This BDE replacement is the compact, high-speed, robust and easy-to-use database engine. With Absolu
The Little MongoDB Schema Design Book, covers the fundamentals off Schema design with MongoDB, as well as several useful Schema design patters for your applications. I wrote this book to be a helpful and concise guide to MongoDB Schema design, as we
遇到故障,我们往往想的是如何解决这个故障,而不是从故障的根本去思考出现这个故障的原因?这样的结果,只能使我们得到了鱼,失去了渔。今天,我们就来分享一个由USE DB堵塞故障引发的思考案例。
故障描述
今天一个朋友遇到数据库遇到一个严重的故障,故障环境如下:
MYSQL 5.6.16
RR隔离级别
GITD关闭
表现如下:
use db不能进入数据库
show table status不能查询到表信息
schema.processlist来看有大量的 Waiting for table metad