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Two Methods for batch data import in SQL Server databases: SQL Server
During the implementation of software projects, data import has always been a headache for the project staff. In fact, many data import methods are integrated in SQL
Query the SQL statement that all databases consume disk space size:SelectTable_schema, Concat (truncate(sum(data_length)/1024x768/1024x768,2),'MB') asData_size,concat (truncate(sum(index_length)/1024x768/1024x768,2),'MB') asindex_size fromInformation_schema.tablesGroup byTable_schemaOrder byData_lengthdesc;SQL statements that query the size of all table disks i
By using the DROP statement, you can easily delete indexes, tables, and databases.SQL DROP INDEX StatementWe can use the DROP Index command to delete the index in the table.Syntax for Microsoft Sqljet (and Microsoft Access):DROP INDEX index_name on table_nameSyntax for MS SQL Server:DROP INDEX Table_name.index_nameFor IBM DB2 and Oracle syntax:DROP INDEX index_nameSyntax for MySQL:ALTER TABLE table_name DRO
distribution databases and logs]
-> [Create a snapshot folder]-> [custom configuration]-> [No, use the following default configuration]-> [complete]
After the preceding steps are completed, a distribion library and
A distributor_admin administrator-level user (we can change the password as needed)
Four new jobs are added to the server:
[Clear Agent history: distribution]
[Clear distribution: distributi
Straint_type = ' U ' and au.table_name = table to query 4. Find the foreign key of the table (including the name, the table name of the reference table and the corresponding key name, the following is divided into multi-step query): SELECT * from user_constraints c where c.constraint_type = ' R ' and c.table_name = table to query Query the column name of the FOREIGN KEY constraint: SELECT * from User_cons_columns cl where cl.constraint_name = FOREIGN key Name Query the column name of the key re
This article describes two very useful stored procedures in the master database that are not mentioned in the SQL Server online textbook.
These system procedures are handy for handling the following tasks, such as determining the amount of storage space used, the number of rows, and the user table index
Wait a minute. The first procedure sp_msforeachdb the execution of three commands for each database on
Difference between SQL Server table variables and temporary tables (Supplement), SQL Server
I. Table Variables
Table variables are introduced in SQL Server 2000 for the first time. Tabl
Differences between Oracle temporary tables and SQL Server temporary tables:
The process of creating a temporary table in the Oracle database and the difference between the temporary table and the SQL Server are described in this
Query for SQL statements that all databases consume disk space size:
Copy Code code as follows:
Select Table_schema, concat (Truncate (SUM (data_length)/1024/1024,2), ' MB ') as Data_size,Concat (Truncate (SUM (index_length)/1024/1024,2), ' MB ') as Index_sizeFrom Information_schema.tablesGROUP BY Table_schemaORDER BY data_length Desc;
Query for
4 methods for backing up databases from SQL Server and 4 methods for SQL Server
1. SQL server maintenance plan
Here I will not explain it. This is relatively simple. It is nothing more
Code
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->
Use
Master;
Go
If
Exists
(
Select
*
From
SYS. Databases
Where
Name
=
'
Testdb
'
)
Drop
Database
Testdb -- Create a folder Exec Sp_configure ' Show advanced options ' , 1 Go Reconfigure Go Exec Sp_configure ' Xp_mongoshell ' , 1 Reconfigure Go Exec Xp_mongos
To create a database and table in SQL Server2005 with statements:The specific examples are as follows:
Use master
Go
if exists (SELECT * from sysdatabases where name= ' Study ')
--Determine if the study database exists and delete it if it is
Drop Database Study
Go
EXEC sp_configure ' show advanced options ', 1
Go
--Update configuration information for the current advanced option
Reconfigure
Go
EXEC sp_configure ' xp_cmdshell ', 1
Go
--Up
15. Use Transact-SQL and Enterprise Manager to manage data tablesModifying a data table with a T-SQLUse Enterprise Manager to modify data tablesImpact of modifying a data tableDelete A data tableSummaryIn Chapter 10th, you have learned how to create a data table by defining data rows and data types. Once a data table is created, it may be modified, even if the data table already exists. This chapter describes how to modify a data table, including modi
SQL Server temporary tableYou can also create a temporary table. Temporary tables are similar to permanent tables, but temporary tables are stored in tempdb. They are automatically deleted when they are no longer used.There are two types of temporary
Summary of index, foreign key, and field syntax maintenance for mysql, SQL Server, and oracle databases, and SQL Server oracle
Summary of index, foreign key, and field syntax maintenance for mysql, SQL
allows you to operate SQL Express,sql Server 2000 and SQL Server 2005 databases locally, and then easily migrate your data definitions and data to a shared remote host SQL
tracer tokens that the Subscriber has received. This table is stored in the distribution database, and the replication process uses this table to monitor performance.
MStracer_tokens
The table maintains a record of the tracking token records that are inserted into the publication. This table is stored in the distribution database, and the replication process uses this table to monitor performance.
These tables in the distr
This article describes how to delete a table in SQL Server, and how to delete data from a table. Delete and truncate two methods when deleting table data, what's the difference between delete and truncate?
SQL Server, the oldest version we're basically using is SQL
Summary of SQL SERVER partition tables-Maintenance and Management of partition tables
After creating a partition table as required, you must manage and maintain the partition table. The main content is:
1. Use the Sliding Window Scenario solution to split partition tables a
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