SQL Server

You are generally in the company of Oracle, rarely used SQL Server, then today to tell you about SQL Server commonly used to start the way:The SQL Server instance is divided into the following startup methods: (1) Start manually in the Windows

1, the original database of the project is SQL Server, now you need to import the original database into Oracle. Now you want to use Java code to get all the table names, whether there is data in the table, and the table data details.2. Open SQL

Suppose the data table structure to insert the data is as followsID is a self-increment column,Insert into UserInfo (username,userpass,email,regtime) output inserted.id values (' AAAAA ', ' AAAAA ', ' AAAAA ', GETDATE ());Insert into UserInfo

SQL Server SA login cannot connect to (local)?When you encounter this problem, make sure that the SQL Master service is turned on:OK then replace the server name with the computer name \ Instance name again using SA login as follows:Is it possible?

Stored Procedures1, stored procedures are prepared in advance, stored in the database of the program, these programs to complete the database of the specified operation.2. System stored procedure: SQL Server itself provides a number of stored

SQL Server logical read-pre-read-physical readHow SQL Server stores data 1. The page is the smallest operating unit, that is, read the database from disk at least one page, each page size is 8kb,sql server read to the page is atomic, either read a

Http://www.cnblogs.com/hoojo/archive/2011/07/19/2110862.htmlA stored procedure in Transact-SQL, very similar to a method in the Java language, can be called repeatedly. After the stored procedure executes once, the statement can be cached so that

The official sample database adventureworksdw2008r2 and its OLAP project were downloaded in Microsoft two days ago:AdventureWorks 2008R2 Analysis Services Project You can go to Microsoft download "Deployment Error Warning: 2382 error, referring to

A SQL Server database is in many different states, such as ONLINE, Offline,restoring, RECOVERING, Recovery_pending, SUSPECT, and EMERGENCY.Only in the online state can the database be accessed normally.You can use the following statement to view its

In EF, it is convenient to use LINQ for paging, if we have an EMP table with the following structure:public class Emp { [Key] public Guid No {get; set;} public int Age {get; set;} [Required] [Stringlength ()]

Characteristics of a transactionAtomicity: Either all executes, or none of them executes.Consistency: When a transaction completes, all data remains in a consistent state.Isolation: A concurrent transaction either modifies the state before another

1. Why do SQL Server table names add square brackets?This is not required, but if the table name or field name references a keyword in SQL Server, the database does not recognize whether this is a keyword or a table name (or field name) that must be

The cursor is evil!In a relational database, our thinking about queries is set-oriented. The cursor breaks this rule, and the cursor makes us think in a progressive way. For developers of Class C, this way of thinking will be more comfortable.The

--Supplement to aggregate functions--var to find the variance of a column--Mathematical Functions Select ABS(-1)--Absolute Value Select CEILING(3.5) Select Floor(3.5) Select round(3.5555,2) Select SQRT(4) Select Square(2)

SQL Server database Performance optimization SQL statement text address: http://www.blogjava.net/allen-zhe/archive/2010/07/23/326927.htmlPeriod project needs, did a period of time the SQL Server performance optimization, encountered some problems,

SELECT Availability_mode_desc, role_desc, replica_server_name, last_redone_time, GETDATE () Now, DATEDIFF (MS, Last_redone_time, GETDATE ()) Diffmsfrom ((sys.availability_groups as AG JOIN

Recently found when comparing strings in SQL Server if the end of the string is a space then SQL Server ignores those spaces and compares them directly to the usual string judgment logic in the program.Declare @a nvarchar( -);Set @a=N'happycat1988'

Http://blog.chinaunix.net/uid-24398518-id-2156226.htmlMicrosoftinternetexplorer402documentnotspecified7.8normal0It's a headache to install Microsoft SQL Win7 below . My operating system is Win7 flagship version, the previous few times have not been

Detailed description of dynamic SQL of mybatis (excellent) and detailed description of dynamic SQL of mybatis One of the powerful features of MyBatis is its dynamic SQL capability. If you have experience using JDBC or other similar frameworks, you

Record the deadlock process and solution of the company's warehouse database server, and the warehouse database Four Conditions for deadlock: Mutual exclusion: resources cannot be shared and can only be used by one process. Hold and wait: processes