6 MySQL 语言参考 MySQL 拥有一个复杂的但直观易学的 SQL 接口。这个章节描述了各种不同的命令、类型和函数,为了高效地使用 MySQL 需要了解它们。这个章节也可以视为 MySQL 中包含的所有功能的参考。 6.1 语言结构 6.1.1 文字:怎么写字符串与数字 这个章节描述了在 MySQL 中书写字符串与数字的各种不同方式。也包含有对各种不同差别和“gotchas”,当你在处理 MySQL 的基本类型时可能陷入的疑惑。 6.1.1.1 字符串 字符串是多个字符组成的一个字符序列
ContentsForeword xvAcknowledgments xix1 Introduction to Communications Circuits 11.1 Introduction 11.2 Lower Frequency Analog Design and MicrowaveDesign Versus Radio Frequency IntegratedCircuit Design 21.2.1 Impedance Levels for Microwave and Low-Fr
Option Compare Database Option Explicit Declare Function CreateWindowEx Lib "user32" Alias "CreateWindowExA" _ (ByVal dwExStyle As Long, _ ByVal lpClassName As String, _ ByVal lpWindowName As String, _ ByVal dwStyle As Long, _ ByVal x As Long, _ ByV
C o py r ig ht (C ) 1 9 9 9 Alle n B . Dow ne y T his b o o k is a n O p e n So ur c e Te x tb o o k (O ST ). Pe r mis s io n is g r ante d to r e pr o -duc e , s to r e o r tr a ns mit the te x t o f this b o o k by a ny me a ns , e lec tr ic a l,
ttylinux User Guide Version 5.3 Pascal Schmidt Contents 1 Introduction 1.1 What is ttylinux? 1.2 What is ttylinux not? 1.3 Who is ttylinux aimed at? 1.4 License 2 Installation guide 2.1 Requirements 2.2 Download 2.3 Booting the CD-ROM version 2.4 In
爱立信 PKN 系列 DC/DC 电源pdf,爱立信 PKN 系列 DC/DC 电源Mechanical data
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Top view
Dimensions in mm(in)
Connections Single output
Connections Dual output
Pin Designation Function
Pin Designation Function
1 LO
Local on/off. Turns the module off immediately after