For an introduction to backup in SQL Server, see Backup Overview. Backup types The supported backup types depend on the recovery model of the database, as follows All recovery models support full and differential backups of data. Expand table Scope of backupBackup types Whole database Database...
Table of Contents - Sql Server Backup Academy 摘要 本期月报是SQL Server数据库备份技术系列文章的开篇,介绍三种常见的SQL Server备份方法的工作方式、使用T-SQL语句和使用SSMS IDE创建备份集三个层面,介绍SQL Server的三种常见备份的工作原理和使用方法。三种常见的备份包括: 数据库完全备份(Full Backup) 数据库日...
On SQL_B, follow these steps: Use the scripts that were generated on the SQL_A server to create database schema. On each of the tables, disable any foreign key constraints and triggers. If the table has any identity columns, enable identity insert. Use bcp to import the data that you...
Use the scripts that were generated on the SQL_A server to create database schema. On each of the tables, disable any foreign key constraints and triggers. If the table has any identity columns, enable identity insert. Use bcp to import the data that you exported in the previous step int...
SQL Server SQL Server Management Studio(SSMS) 创建测试数据库 启动SQL Server Management Studio (SSMS)并连接到 SQL Server 实例。 打开“新建查询”窗口。 使用以下 TRANSACT-SQL (T-SQL) 代码来创建测试数据库。 SQL USE[master]; GOCREATEDATABASE[SQLTestDB]; GOUSE[SQLTestDB]; GOCREATETABLES...
@@ServerName returns wrong value in SQL SERVER 2008 ##TempTable and INSERT-SELECT FROM an existing Table with an IDENTITY column %rowtype equivalent in SQL server ++ operator in TSQL - bug or feature? 2 tables referencing each other using foreign key.is it possible 2 transactions in one sto...
代码语言:sql AI代码解释 [root@test~]# /usr/share/sysbench/oltp_read_write.lua --table-size=1000 --tables=12000 --mysql-user=root --mysql-password=1 --mysql-host=127.0.0.1 --mysql-port=3306 --mysql-db=testdb --threads=250 --time=60 --report-interval=3 --skip trx=on --mysql-...
To calculate the compression ratio of a backup, use the values for the backup in the backup_size and compressed_backup_size columns of the backupset history table, as follows: backup_size:compressed_backup_size For example, a 3:1 compression ratio indicates that you are saving about 66% on...
.sql 文件保存了原表的 DDL 语句: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 default%cat backup_test.sqlCREATETABLEdefault.backup_test(`id`UInt64,`value`String,`date`DateTime)ENGINE=MergeTreePARTITIONBYtoYYYYMM(date)ORDERBYidSETTINGSstorage_policy='default_local',index_granularity=8192% ...
a record insertion into a data page in the table and then the insertion of the required record in an index page in the nonclustered index. If the backup process just happens to read the nonclustered index page before the record insertion, but reads the table data page after the record ins...