17:39:37 |
+---------------------+---------------------+
3 Rows in Set (0.00 sec)
At this point we can delete the original mytime table
mysql> drop table mytime;
Query OK, 0 rows Affected (0.00 sec)
We can also use a special SQL statement to implement. That is the Rename command, as follows:
Mysql>
' Test1 ', ' Test2 '
The second issue is to change the database owner problem: Select the database to change in Query Analyzer, and execute the following code to newowner the new owner
Copy Code code as follows:
exec sp_msforeachtable ' sp_changeobjectowner ', ' Newowner '
The third problem is the import and export of datasheet data: People often cause loss of database objects when importing exported data, such as primary keys, identities, defaults, and so on,
Original link: http://www.cnblogs.com/Ryan_j/archive/2011/04/03/2004428.htmlRenaming a database is simple, select the database-right--Rename the databaseOr' olddb ',' newdb 'But if you create a new database with the same name, you will get an error indicating that the database already exists.For example, after the test database is renamed to Test1, a new database named Test will receive an error that already exists in the test database.To the
Tags: style blog http use file dataA case that requires renaming a database in multiuser mode has recently been encountered, because the database may be used by other users, so direct modification may fail. In this case, we can wait until all users have finished using the database, or switch the database to single-user mode.Sometimes, we need to take the production environment database to the development environment directly to test the development process. We can
Tags: command col dbi SQL application MSS User Access server ASEThe use of MSSQL when learning ASP. ' Often this error, the database can not duplicate name 5030 error, in fact, the simple reason is that there is an application is occupying this connection, using such a line of command can query out the occupied connection Use Master Select from where dbid=db_id('odatabasename'The result of the executio
How does db2 rename a table ?, How does db2 rename a table?How does db2 rename a table?
Set The current schema: db2 => set schema db2adminDB20000I The SQL command completed successfull
SQL Server System table and SQL Server System Table
Stores all the system information of SQL. Stores metadata related to database services (for example, user databases on the data
SQL server to determine whether a table or temporary table exists, SQL server
1. Determine whether a data table exists
Method 1:
Use yourdb; goif object_id (N 'tablename', N 'U') is not
Label:Originally using SQL Server 2000 databases, the DTS tool makes it easy to import and export data between SQL Server and DBF files, and now, after installing SQL Server2005, discovers the SQL
tables, when adding records at different times, the programmer to use different SQL statements, such as when adding records in 2011, the programmer to add records to the 2011 table, in 2012 to add records, The programmer wants to add the record to the 2012 table. In this way, the programmer's workload increases and the likelihood of errors increases.The use of p
SQL Server recovery table-level data details, SQL Server details
In recent days, the company's technical maintenance staff frequently asked me to restore the database, because they always have fewer where conditions, resulting in unrecoverable consequences for the update and
Tags: arp statement drop function Targe using the copy NSA indexMy Russian name is "do not toss uncomfortable", so, do not put the partition table A good toss, I am not comfortable. In the previous section, we discussed how to create a partitioned table directly and how to convert a normal table into a partitioned table
My Russian name is "do not toss uncomfortable", so, do not put the partition table A good toss, I am not comfortable.In the previous section, we discussed how to create a partitioned table directly and how to convert a normal table into a partitioned table. So what's the difference between these two ways of creating a
Tags: blog http io ar os using SP for strongpartition table in SQL Server 2005 (a): What is a partitioned table? Why use partitioned tables? How do I create a partitioned table? Category: SQL Server2009-12-03 10:17 15325 People re
Example of deleting duplicate records in a data table in SQL Server, SQL Server
[Project]
The users table in the database contains the u_name and u_pwd fields. The u_name contains duplicate items. Now we need to delete duplicate i
programmers. To add records as an example, the above 5 tables are separate 5 tables, when adding records at different times, the programmer to use different SQL statements, such as when adding records in 2011, the programmer to add records to the 2011 table, in 2012 to add records, The programmer wants to add the record to the 2012 table. In this way, the progra
tables, when adding records at different times, the programmer to use different SQL statements, such as when adding records in 2011, the programmer to add records to the 2011 table, in 2012 to add records, The programmer wants to add the record to the 2012 table. In this way, the programmer's workload increases and the likelihood of errors increases.The use of p
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.