sql programming books

Tags: booksAs an MCT (Microsoft Certified Instructor), it is incumbent on me to popularize SQL Server technology.Based on years of teaching experience, we intend to publish a series of books through the 51CTO platform.SQL Server 2014 installation and Configuration guideSQL Server 2014 Management and Maintenance guideSQL Server Development GuideSQL Server 2014 Business Intelligence Development GuidePlease se

Good habits of SQL programming and good habits of SQL programming | Reposted from: cnblog | Original article: http://www.cnblogs.com/MR_ke/archive/2011/05/29/2062085.html Most of us do not need to deal with databases when we develop software. Especially for erp development, we have to deal with databases more frequent

LAST_DAY_END Group by username ) Which one do you choose? Let me choose, if tbl_hour's data volume on the previous day is particularly large, for example, millions or more, choose computing by myself. if the magnitude is not too large, directly let SQL computing, it will save some trouble. How did you choose? Listen to your suggestions. There are three situations in which the logic is put in the program. The first one is relatively weak. it is not

Reply content:My principle is: can put in PHP all put into PHP, DB (such as MySQL) only put data, not put logic (foreign KEY constraints, stored procedures, etc.). Use MySQL, but remember which database you use can be changed at any time, so especially don't use some of the logic-related features that MySQL supports. Specific problems specific analysis of the current performance bottlenecks are seen in the database layer, the horizontal expansion of the relational database although in the devel

Generally do not modify the default level of SQL Server transactions. Forced lock is not recommended1 Execute EXEC sp_lock report information about the lock1 How to lock a row in a tableSET TRANSACTION Isolation Level READ UNCOMMITTEDSELECT * FROM table rowlock WHERE id = 12 locking a table for a databaseSELECT * from table with (HOLDLOCK)Add lock Statement:Sybase:Update table set col1=col1 where 1=0;MSSQL:Select col1 from table (Tablockx) where 1=0;O

0 reply content: My principle is: can put all in PHP into PHP, DB (such as MySQL) only put data, not put logic (foreign key constraints, stored procedures, etc ). Use MySQL, but remember which database can be changed at any time. In particular, do not use logic-related features supported by MySQL. Specific analysis of specific problems the most common performance bottleneck is at the database layer. Although horizontal scaling of relational databases is developing, there is no widely accepted s

Tags: process variable assignment multiple meanings have a counter target based on nullI. T-SQL overviewThe programming language that SQL Server uses to manipulate the database is Transaction-sql, or T-SQL. T-SQL differs from PL/

Tags: User bar implicit conversion first location assignment set size getWhat is a cursor The result set, which is the collection of all row data returned after the select query. Cursors are a mechanism for working with result sets, which can locate a row in the result set, read or write multiple data, or move the cursor to navigate to the rows you want to manipulate the data. Generally complex stored procedures, there will be the appearance of cursors, his main use is: Navigates to a

Basic PL/SQL programming and plsql Programming1. Basic Structure of PL/SQL Blocks DECLARE /* * Definition section-defining constants, variables, complex data types, cursors, user-defined exceptions */ BEGIN /* * Execution part-PL/SQL statements and SQL statements */ EXCEPTIO

PL/SQL programming, plsql ProgrammingPL/SQL programming 1: What is PL/SQL (1) PL/SQL architecture:PL/SQL engine is used for compilation and execution. PL/

) , Birhdate DATETIME , EmployeeId INT ) GO SELECT u.UserName , e.EmployeeName FROM dbo.Users u INNER JOIN dbo.Employees e ON e.Id = u.EmployeeId If you write a large segment of stored procedures or try, using SQL prompt formatting can save us a lot of time. If your SQL is version 2012, this tool does not support formatting features, you can download the patch directly installed on the line, t

Tags: values version tab float equals CIN set switch connectT-SQL ProgrammingT-SQL programming is similar to the C language, except that the syntax is slightly different, and the general idea remains unchanged. Many will not say, or start from the variable. Variables are also divided into global variables and local variables, which are represented in slightly dif

The example of this article is about the implementation of database SQL programming for Android programming. Share to everyone for your reference. The specific analysis is as follows: Install lightweight database SQLite in Android, and now test the database for basic operations. Database basic operation: CREATE TABLE, INSERT, delete can use Execsql (), read can

ELSE raise_application_error ( -20210, ' Invalid Commission '); END IF; END Reset_comm; END Comm_package; Execution Create a package without packages create OR REPLACE package global_consts is mile_2_kilo CONSTANT number: = 1.6093; kilo_2_mile CONSTANT Number: = 0.6214; yard_2_meter CONSTANT Number: = 0.9144; meter_2_yard CONSTANT Number: = 1.0936; END global_consts; perform Sql>execute dbms_output. Put_Line (' Miles = ' | | 20*global_consts

Oracle Database Programming: PL/SQL programming basics Oracle Database Programming: basic concepts of Oracle databases http://www.bkjia.com/database/201307/226254.html 2. PL/SQL programming basics: PL/