SQL Server

The SQL statement waitfor can be written to a stored procedure and executed again: waitfor {delay 'time' | time' time} the time after delay is the delay time after which the execution time is specified. The format is "HH: mm: SS ", the following is

Application of BIT data type in SQL Server All users who have used access know that access has a "Yes/No" data type. This type is not used in SQL Server.Bit. Pay attention to the following points during use: 1,BitIt is similar to the integer and

-- SQL2000   -- 1 Select number from Master... spt_values where type = 'P' -- 0-255   -- 2Select top 10000 id = identity (INT,) into # T from sysobjects, syscolumns   -- Sql2005 generate series numbers (row numbers)-- 1. Recursive test

---- SQL Server cursor usageBeginDeclare @ item_code varchar (32) -- define variablesDeclare @ item_name varchar (32)Declare @ invest_money_sum float-- Define a cursorDeclare my_cursor cursorForSelect item_code, item_name, invest_money_sum from zftz_

Maintenance statement DBCC dbreindex rebuilding one or more indexes of a table in the specified databaseDBCC dbrepair remove corrupted DatabaseDBCC indexdefrag sorts out clustered indexes and secondary index fragments of a specified table or

In SQL Server database operations, we may replace Data in batches based on certain write needs. How can we modify and replace Data in batches? In this article, we will introduce this part of content. Next let's take a look at it ...... In SQL

/* Date function */ Dateadd (datepart, number, date) -- Returns a new datetime value based on a specified date. Datediff (datepart, startdate, enddate) -- Returns the number of date and time boundaries across two specified dates. Datename (datepart,

  I often encounter some questions about database optimization. I think this is the most basic skill requirement, especially the use of SQLServer2005. for SQL Server optimization, full-time or part-time DBAs are easier to work and more efficient,

1. sql2005 prompts "This user is not associated with a trusted SQL server connection" SOLUTION Problem: an error is reported when you connect to the database engine using the "SQL Server Identity Authentication" of a SA user or user: "This user is

SQL Server password table The majority of data transmitted by SQL server on port 1433 is in plain text, which includes IP addresses, connection usernames Success and Failure messages In this way, it is easy to use the sniffer to sniff the SQL Server

Principle of cursor In general, SQL query results are results set of multiple records, while advanced languages can only process one record at a time. The cursor mechanism is used to read and process multiple records at a time. In this way, the

SQL Server types JDBC types (Java. SQL. types) Java language types Bigint Bigint Long TimestampBinaryUniqueidentifier Binary Byte [] Bit Bit Boolean Charnchar Char String N/

About database filesIn general, database files include the following files :· A primary data file (. MDF )· 0 Auxiliary data files (. NDF )· 1 Log Files (. LDF )What are their respective roles? The answer is actually obvious. I would like to

Because the local database is not set to partition size during installation, but the server is a partition, I re-wrote some code, in order not to let this happen, I decided to change the local database to support the size of the region.   The Code

The problem is that when we use SQL native client to work with JVM, The JNI method fails to be used to create the JVM. The error is vague and the memory error occurs. The problem is solved by a foreigner! The original SQL native client will occupy

I. How to enable full-text search in SQL 1. Verify that the full-text search service is installed You can use the Stored Procedure fulltextserviceproperty (return information about full-text service level attributes) to verify whether the search

Perform major operations on the stored procedure, and exercise caution when calling the account to extend the stored procedure. In fact, most applications do not use much system stored procedures. SQL Server's multi-system stored procedures are only

Before configuring SQL Server 2000 database security, you must configure the operating system security to ensure that your operating system is in a safe state. Then, perform necessary security audits on the database software (programs) You want to

Preface: [Learning the SQL Server 2005 series] Prepare to organize some experiences of learning 2005, share with you, and learn together to improve.Sql2005 lite Version DownloadMicrosoft SQL Server 2005 Simplified Chinese development EditionSQL

When data is extracted or synchronized using a trigger, the extraction software will create a trigger for each extracted database table. It is very cumbersome to manually delete all the triggers when there are many triggers, because a company's