---------- DBF import SQL Server table ----------
The following uses SQL2000, VFP6, and above as an example.
Method 1: execute the following statement in the query analyzer (select the corresponding database first)
-- If the SQL table that accepts the imported data already existsSelect * from openrowset ('msdasql ', 'driver = Microsoft Visual FoxPro Driver; Sourc
SQL commands for regularly deleting historical data from databases and SQL commands for historical data
Create a job,Used to regularly clear historical database data
Delete the data of the first quarter of the table before gps_comm, as follows:
Elete from gps_comm
WHERE (date
If you want to continue to delete the dat
conversion from: http://www.51testing.com /? Uid-239867-action-viewspace-itemid-103705
SQLDifferences between statements, PL/SQL blocks, and SQL * Plus commands
The SQL statement isDatabaseThe language of the operation object, including the data definition language DDL, data manipulation language DML,
XXXX_ORIGINAL_20031205
where msgid = 120
Command will get the error:
Conversion of varchar value '12050003010101026986' overflowed int column. Exceeded maximum integer value.
Does this error clearly indicate what SQL Server is doing when it executes SQL commands for you?
He tries to help you actively convert this field in the record to the data type you speci
1. Import. DBF (FoxPro data file) to SQL Server:
------------- If the SQL table that accepts the imported data does not exist, create
Select * Into the SQL table name to be generated from OpenRowSet ('msdasql ', 'driver = Microsoft Visual FoxPro driver; sourcetype = DBF; so
ArticleDirectory
1. directly execute SQL query
2. directly execute SQL commands
Here we will introduce that the query by using LINQ to SQL is insufficient to meet the needs of specialized tasks. We can use the executequery method to execute the query by using LINQ to
/gravity /center ">Found two commands together, namely student and where are connected together. So when you use the a command to add a command to the buffer to hit two return, the first carriage return is a command must take the carriage return, the second carriage return is added as the beginning of the new code to the buffer, for example:Q: Suppose the buffer has 3 rows of SQL
\TaxInvoice.sql ' Of course, we can simply execute these commands in a batch file Updateschema.cmd without using the stored procedure, which is the following UPDA Teschema.cmd:; The following command executes the specified SQL script under D:\vss: Isql-u sa-p 123-i d:\vss\MSSchema.txt
Isql-u sa-p 123-i D:\vss\MSSchema_030311.txt
Isql-u sa-p 123-i D:\vss\MSSchema_030416.txt
Isql-u sa-p 123-i D:\vss\MSSchema_
Execute SQL Server database backup and SQL database backup using Windows batch processing commands
Create mybackup. bat and enter the following content to directly run the script to start automatic database backup. You can also add the script to the windows Task Plan for execution.
@ Echo offset path = % path %; C: Program Files \ Microsoft
Oracle learning notes 3 SQL commands, oracle learning notes SQLSQL introduction SQL supports the following types of commands: 1. data Definition Language (DDL) 2. data manipulation language (DML) 3. transaction Control Language (TCL) 4. the Data Control Language (DCL) is a detailed note of the four
Oracle learning notes 4 SQL commands (2): SQL operation language category, oracle learning notes
SQL is classified into the following language categories1. Data Definition Language (DDL)Create, Alter, Drop
2. Data manipulation language (DML)Insert, Select, Delete, Update
3. Transaction Control Language (TCL)Commit, Sav
4.7.1 BACKUP
The backup command is used to back up database content or its transaction log to storage media (floppy disk, hard disk, tape). The dump command is used to perform this function when the previous version of SQL Server 7.0 is in use, and the dump command is no longer used from SQL Server 2000. For more information on the backup command, see the "Data Backup and Recovery" section.
4.7.2 CHECKPOI
Using system. data. the sqlclient namespace can only execute one SQL statement or multiple Content in the middle; separate, cannot execute similar commands, is there a way to execute some batch commands like a query analyzer, the answer is to execute it through osql.
Detailed usage of osql: http://technet.microsoft.com/zh-cn/library/ms162806.aspx
Call through the
XML Auto Features and T-SQL commands
As a DBA, I tend to focus on performance issues, so I want to make sure that using XML (an Extensible Markup language) does not have an impact on performance. In this article, I'll show the difference in performance by comparing the XML Auto feature with the standard T-SQL command. During my testing, I'll just cover a small,
It is estimated that SQL * Plus is used almost at the beginning in Oracle,
After all, this tool can run on any platform running Oracle,
You can install this tool on the client or on the server,
To install the client, install the client software provided by Oracle,
On the server side, it is automatically installed when Oracle is installed,
SQL * Plus is a C/S-based SQL
Server
The first thing to note is that the content of this article is not how to adjust SQL Server query performance (to write a book about this), but how to use set STATISTICS IO and set STATISTICS in the tuning of SQL Server query performance Time these two Transact-SQL commands that are often ignored.
On the surfac
Label:Let's start a new chapter to learn! When an SQL statement is entered, the statement is present in the SQL buffer (that is, a memory area). This SQL buffer is small and can only have one SQL statement, and the SQL statement that was originally in the buffer is overwritt
saved. We can modify the SQL statement stored in SQL buffer and execute it again. SQL * plus generally deals with databases.Apart from SQL * plus statements, other statements executed in SQL * plus are called SQL * plus
Import directly in MySQLQureyBrower *. SQL scripts cannot execute multiple SQL commands at a time. Execute the SQL FILE command mysqlsourced: myprogramdatabasedb in mysql. SQL; Appendix mysql Common commands: 1) connect to MYSQL:
Supported commands
Besides all SQL statements, the command window supports the following standard SQL * Plus commands in this release:
Command
Meaning
/
Executes the SQL Buffer
? [Keyword]
Provides SQL
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.