Questions tagged [network]

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How to apply many UPDATE statements in one network call

Can we apply many UPDATE statements in a single network call? Figure many UPDATE requests on a JSONB field of one record. I would like to update many places in the JSONB field. All updates apply on ...
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1answer
17 views

Making an Oracle XE instance network wide available

Im fairly new to Oracle so please bear with me. I want to install an Oracle 18c XE DBMS on a server and access it's databases remotely via DBeaver. First of all there is some confusion on which client ...
13
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3answers
2k views

Disconnect from network without stopping the query

I have an opposite problem to Does disconnecting the network stop a query?. I would like to launch a query and disconnect without waiting for results but I don't want the query to stop. Is it possible?...
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1answer
51 views

How to use BCP Utility queryout in a network path with crededential (login required) for SQL Server

I'm having a hard time figuring out on how can I export my selected table in a network path that requires login credentials. 'bcp "select ''StudentName'' UNION ALL SELECT StudentName AS ...
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1answer
78 views

What is the max network latency between synchronous-commit AlwaysOn Availability Groups [closed]

Does exists any best practice/guide lines of the maximum network latency (ms) between two synchronous AlwaysOn replica? I need to give this information to network administrators for configuring the ...
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69 views

How to set up MongoDB replica set with podman?

I tried to set up a replica set with podman rootful containers but MongoDB does not accept my members because it does not recognize itself. The podman host address is 10.88.0.1, and MongoDB instances ...
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1answer
26 views

MariaDB: Connecting from LAN on Centos

I have a working MariaDB 10.2 running on my CentOS 6 server. I can connect to the DB from another machine on the LAN. Out of curiosity, I wanted to revisit how this was made possible. Everything I ...
0
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2answers
87 views

PostgreSQL failover: Who is responsible for handling it? How do clients connect to the new leader?

On a high level, consider two PostgreSQL instances on two separate nodes: the leader and its hot standby. Replication from leader to follower is configured. Consider that the leader node crashes. Two ...
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1answer
47 views

PostgreSQL: Save roundtrips / Network performance

For my work I often have to to large selects loading a lot of data. The connection happens with JDBC driver and high fetch size. This is not a problem when working directly on the server of the ...
2
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0answers
307 views

DNS CNAME for a SQL Managed Instance (Azure)

I currently have an on Prem SQL Instance that has a DNS CNAME set up against it via our On Prem DNS Server. I am looking to move this server to an Azure Managed Instance and I want to point the DNS ...
1
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1answer
162 views

Why changing the order of network protocols does not make any sense?

All I want to do is to connect to SQL Server though Named Pipes without using an explicit way like NP:ServerName because mentioned approach works. I want to connect through Named Pipes using just ...
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0answers
30 views

Mysql 8. Event call Stored Procedure with Transaction to Federated tables never finish ESTABLISHED connection until timeout

We have a Mysql server which connect to remote Mysql Federated tables and copy data to local tables. For several databases it works fine, but the new one did not close connection after Transaction ...
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0answers
34 views

SQL Server: Logging for SQLNCLI10

I have a 3rd-party application that uses SQLNCLI10 to connect to our SQL Server. Every once in a while, it will throw an error complaining that it can't connect to the database. Personally, I think ...
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0answers
62 views

Adding login of a pc on the network - Microsoft SQL Server Management Studio 2014

I have a small office network and I am trying to add new logins for the other PCs on Microsoft SQL Server Management Studio 2014 (all computers are Windows 7). I cannot seem to find the other ...
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1answer
42 views

Connecting database from another network [closed]

We have a database in our server at work, and we can connect the database if we are connected to same network with server. I want to connect from my home. How can I do this? I have tried couple of ...
2
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1answer
47 views

Troubleshooting high network traffic between primary and secondary replicas

We have two SQL server hosts. There are about 12 availability groups, where the primary replica is on the "primary" host and the secondary replicas are on the "secondary" host. Now, for one reason or ...
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2answers
184 views

ASM - How the asm search the disks and where is this parameter from?

I'm a begginer in Oracle ASM and when I will create a diskgroup the ASM shows me this parameter: Where is this parameter from? I don't remember set any parameter with this name. I know that usually ...
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1answer
134 views

Oracle - Why create several service_name in service_names parameter?

SERVICE_NAMES specifies one or more names by which clients can connect to the instance. The instance registers its service names with the listener. When a client requests a service, the listener ...
2
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1answer
175 views

Need SQL Server VLAN advice.. is it best practice to have all SQL Servers under 1 VLAN/network zone? [closed]

Looking at the network placement of my SQL Servers. Looking for answers: Is it a best practice to have all SQL Servers in 1 or 2 VLANs within your businesses network? however, if so, wont there ...
0
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1answer
101 views

Two physical servers with sql server on same network

IS there a way I can remotely access sql server DB having two different servers in the same network/public IP? The first Server is configured to listen to 1433 port but we make the connections using ...
3
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0answers
114 views

TCP Resets when using psycopg2

I'm trying to do a simple health check for keepalived and other services via a python script and psycopg2 library. All seems to be alright, until I close the connection, at which point a packet with ...
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2answers
687 views

How to connect to sql server with dynamic IP Address

I have installed sql server express edition 2014 on my machine. And I am connecting to it with CRM using my local machine's IP address. The problem here is my IP address allocated to my machine is ...
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0answers
1k views

Help with Connecting to SQL Server using Oracle SQL Developer

I am trying to connect to SQL Server using Oracle SQL Developer. I was able to get the SQL Server JDBC installed on SQL Developer and am able to see the SQL server Tab on the Connections page. I have ...
1
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1answer
49 views

Multi-Subnet AlwaysOn: Is Routing and Remote Access always required?

Context I'm setting up a 2-node AlwaysOn Availability Group (SQL Server 2017 Enterprise) with the following setup: Existing DC+DNS (One NIC: 10.20.11.1/255.255.254.0) New AG-Node1 (One NIC: 10.20....
6
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2answers
775 views

Are CNAME aliases for connection strings a good idea?

To be very flexible and move database to different servers more easily, we came up with the idea of using an alias per database. So by simply changing a DNS entry, we can route all queries to a ...
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1answer
101 views

How to use mariadb instead of sqlplus using sqlnet configuration files

currently I can access a database on a remote server using Oracle's instant client "sqlplus" The connection is dependent on a couple of configuration files in: $ORACLE_HOME/network/admin which are ...
0
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1answer
25 views

Domain Controller on Multi Subnet Always on Availability Group

This is will be my first big project. We have 4 Replica Always on availability group with 3 Replica on site and another replica offsite (different subnet) the File share witness will be placed on ...
1
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1answer
589 views

Cluster IP's under Access Point for Administering the Cluster

When adding the cluster IPs under Access Point for Administering the Cluster, do we only include IPs for the public subnets, or do we also need to include an IP for the private subnet(s)? This ...
1
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1answer
52 views

Why does a query on a local instance with local database files cause NETWORK_IO waits?

I have followed this tutorial to get the wait stats of a particular query while it is 'in flight' using extended events. Whilst the tutorial refers to an index rebuild, I just did a select statement ...
3
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1answer
2k views

What ports does SQL Server use on Linux?

What ports does SQL Server use on Linux? I want to be sure I'm forwarding the ports required when I run it in a container.
1
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1answer
898 views

Disabling IPV6 on Always on availability group

In our environment we only have one network adapters for the Replicas and IPV4 is being used. By default the IPV6 is also enabled. My question is will there be any problems if I unchecked IPV6 from ...
1
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1answer
52 views

One instance, four clients, one is slow

We have a small office setup with one Windows Server 2012 running SQL Server 2016 Express. The database is hosting files for our accountant software. This is a multi module software that runs ...
2
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1answer
296 views

How to access a shared folder from Windows Cluster IP [closed]

This is a very strange question, but I am trying to access a Windows file share from a SQL server cluster IP, that resides on that server. In the past and on other servers I have, I get connected to ...
0
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1answer
838 views

Cannot connect to SQL server through SSMS from other machine after IP change [closed]

There was an ip change on the sql server and after that I cannot connect from other machines ssms but can connect locally . The firewall is disabled on the server and moreover its listening on port ...
0
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1answer
522 views

Difference between an endpoint and a port in SQL Server

While I know why are ports used in SQL Server, I wonder what is the difference between an endpoint and a port. Ports can be managed using Configuration Manager, is it also possible to manage endpoints ...
1
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1answer
476 views

Which TCP port to choose for SQL Server to listen to for security reasons? [closed]

I know that the default TCP port for MS SQL Server is 1433 and it is better to change that for some security reasons. But I want to know which port is better to choose instead of 1433 for SQL Server ...
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0answers
20 views

Problem about listing network instances on SSMS

I have a problem about listing network instances on SSMS. When I look at the Network Instances on SSMS, it shows only local server instances. By the way, it shows all the instances on the network ...
3
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2answers
2k views

Will matching SQL Server network packet size to mtu increase performance

We have recently upgraded our production facility to sql server 2017, and moved to clusterless availability groups. There is a primary, a secondary on site, and a remote secondary. We were ...
7
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1answer
156 views

Multi-homed SQL Server with High Availability Groups

We have two servers (SQL-ATL01, SQL-ATL02) that make up a Failover Cluster, each running as part of a SQL Server High Availability Group (HAG). Each server has two network cards. One is a 10Gbit card ...
2
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1answer
643 views

Connection's MAC address randomly changes on Windows 10, then stops

Because reasons (tm), we want to identify the client's MAC address on SQL Server side (local network, not about security, enables a very convenient feature in way transparent for applications). We do ...
5
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1answer
642 views

Static DAC ports for named instances

Using SQL 2016 Enterprise Edition The default instance will listen on 1433 and the DAC port will listen on TCP 1434. SQL Browser will listen on UDP 1434. Any subsequent named instances will get a ...
2
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1answer
222 views

Dynamic Ports are being set to different ports

On one of our instances of SQL Server (12.0.5571.0 if you really need to know) we use multiple IP addresses to connect. 127.0.0.1 - Dynamic Port set to 0. No static port set 172.16.0.5 - IP Address ...
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2answers
490 views

Is it possible to redirect queries to another server?

I want to set up a server that redirects queries. It would receive incoming SQL Server traffic, redirect to the actual SQL Server, and return results back to the client. Is this possible? What are ...
5
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2answers
6k views

Full Back up over to Network failed due to unknown network error 59

I am recently seeing the Unknown Netowrk Error 59 which saves the full back ups to a file share on some of the servers . The back ups happens at different times. Ola Halengren scripts are being used ...
2
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0answers
57 views

How to set up SQL Server online with public Wi-Fi

I am doing a school project where I have to set up a SQL Server database for my teammates to work on. Currently, I am able to host the server online with my home router, but I am facing problems ...
1
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1answer
230 views

Cluster Validation on Remote Node

I have a 3 Node always availability group: 2 Nodes are In house – Synchronous Mode. 1 Node is remote - Asynchronous Mode. Every now and then the Remote Node loses connectivity and goes offline ...
0
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1answer
393 views

Hostname configuration for oracle12c on OL7 VM

I am trying to install Oracle 12c (for learning/studying purposes)on a VirtualBox VM. i have set up a VM with Oracle Linux 7.4 and when I setup the wireless/networking aspects during installation I ...
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0answers
470 views

Eliminating PostgreSQL/database network latency: PL/Java stored procedure VS. Java code running on localhost

A couple years ago, I learned the hard way that having my Java application sitting on one server, with the database sitting on another, and having complex transactions that issue lots of queries each, ...
1
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1answer
2k views

Server Local Connection Provider has stopped listening on local pipe due to a failure

All, I'm looking at a database where every so often, connections to it will fail. The event viewer and SQL Logs have the following error in them: Server local connection provider has stopped ...
2
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1answer
743 views

MariaDB Galera stop working without network connectivity

I am running MariaDB Galera cluster whose using mariaDB and 3 nodes(node A, node B, node C). My nodes are placed locally in our office. My problem is if node A/B/C lost network connection, it also ...