sql server replication types

6. Basic SQL sorting (date and time data types, conversion functions) and SQL data typesDate and Time Data Type * System constant: @ DATEFIRST (returns the current time)DATEADD Increase time Syntax: DATEADD (datepart, number, date) Select DATEADD (YEAR, 2, '1970-11-2 ') DATEDIFF Distance between two dates Select DATEDIFF (YEAR, '2017-7-18 ', '2017-11-2 ') DATENAM

Overview of merge Replication Perhaps the reader is not unfamiliar with the actual example, in a large enterprise distribution system, Sales Manager or some sales backbone personnel often to go out to deal with the business, the contract signed through the hand of the notebook computer to the headquarters sales information database. In this example, there are two major special features; any sales Manager or sales backbone can modify the sales informa

For data replication at the database table level, the most common method is create table as (CTAs. In fact, the copy command under SQL * Plus can do the same job, and it is better, and the performance is also better. What's more, data replication across platforms and heterogeneous databases is supported. The Copy command can accomplish some stream functions simil

After a more than 10-day outage, you will continue to bring the Windows Server Active Directory series updates to you today, and this chapter describes the concepts related to Active Directory replication, about activeDirectory conceptual content Regardless of whether the old version 2000 or the 2016 basic concepts are consistent, this chapter describes the concept of Windows Active Directory as an example,

creates a network topology that is used to transmit data-including root, leaf, non-root, and NON-LEAF nodes. Each ER node may be a single server or a cluster of servers, as described later in this article. All of these interconnected nodes are collectively referred to as an ER field (domain). The domain does not define which data is transferred, but only the path or route that is passed when the data is transmitted. Next, determine which data you wa

Replication is the most powerful and complex component in SQL Server, so it is unavoidable to replicate errors in specific applications. But, thankfully, SQL Server provides replication management tools-

The SQL * Plus copy command is used to process mass data replication. For data replication at the database TABLE level, the most common method is CREATE TABLE AS (CTAS. In fact, the copy command under SQL * Plus can do the same job, and it is better, and the performance is also better. What's more, data

in the replication must be made on the primary server. Otherwise, you must be careful to avoid conflicts between updates to tables on the primary server and updates made to tables on the server.1.mysql Supported Replication types

master server to the slave server before enabling the slave server. So back up the data on the master server # mysqldump -- all-databases -- lock-all-tables -- master-data = 2>/tmp/slave. SQL 2. copy the backup to the slave server