what is replication?
where do u use Go Keyword?
Answer Posted / jijo
Synchronizing data and object between systems .
For example i have 50gb data in Delhi server(Publisher or
source ) i need to replicate into tow locations one into
mumbai server 10gb data (subscriber ) and another one into
kerala server 20gb data.
Publisher ---Source
Subscriber ---destination
Distributor--- Receive from publisher and forward to sub
Type of replications
1)Snapshot (one way)
Data refresh of the subscriber every time you synchronize.
2)Merge Replication (Two way)
Both publisher and subscriber can make change to the data.
Conflict :- When two participant chenge the same row at same
time
3)Transactional replication
As change made at the publisher its send to the distributor
and distributor into subscriber
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
Which table keeps information about stored procedures?
What is store procedure? When do you use?
What are the limitations/drawbacks or ssrs 2008 r2?
How to insert new line characters into strings?
What is the latest version of microsoft sql server?
Can we run Reporting Services with SQL Server express edition, which is a free version of SQL Server?
Can we call stored procedure in view in sql server?
Detail about the hardware which is supported by SQL server?
How can you list all the table constraints in a database?
What is the use of @@spid?
What is the optimization being performed in oracle and SQL Server?
This question asked during interview, 2) At the end of each month, a new table is created for each bank that contains monthly metrics consolidated at the account level. The table naming convention is bankX_YYYYMM where X represents the numeric designation of the bank and YYYYMM indicates the 4 digit year and 2 digit month. The tables contain the following fields: name data type description account text account number registered boolean indicates whether the account is registered num_trans integer number of transactions made during the time period spend numeric(9,2) total spend during the time period a) Write a SQL query that will display the total number of transactions and total spend for "Bank1" during the 4th quarter of 2009. b) Write a SQL query that will display the total number of transactions and total spend at "Bank1" and "Bank2", broken out by registered vs. non-registered accounts, during January 2010 not sure what is correct answer and how to solve?
How to maintain a fill factor in existing indexes?
What is the difference between for auto and for nested?
How you can get a list of all the table constraints in a database? : Sql server administration