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![]() ![]() We hope you will find many uses for using these string functions in your databases. In this article, we have seen how to append strings to one another using string concatenation functions provided in SQL. SELECT CONCAT(FirstName, ' ', LastName) FROM Customer AS FullName SELECT FirstName || ' ' || LastName FROM Customer AS FullName SELECT FirstName ' ' LastName FROM Customer AS FullName In SQL Server (Transact-SQL), the operator allows you to concatenate 2 or more strings together. The resulting string is given an Alias of FullName so we can easily identify it in our resultset. This SQL Server tutorial explains how to use the concatenate operator ( operator) in SQL Server (Transact-SQL) with syntax and examples. The following examples show how to use the column names and the SQL concatenation operator for SQL Server and Microsoft Access, MySQL and Oracle.Īssuming a table called Customer that has columns called FirstName and LastName, The example below appends the value in the FirstName column with ' ' and then appends the value from the LastName column to this. to remove PIPES_AS_CONCAT from SQL_MODE It returns NULL if one of the argument is NULL. The CONCAT function returns a string which is the combination of the input strings. Here is an example of how to set the PIPES_AS_CONCAT option on set SQL_MODE to include PIPES_AS_CONCAT Code language: SQL (Structured Query Language) (sql) To concatenate strings, you pass the strings as a list comma-separated arguments to the function. This may affect other queries you may have already written that use ||. However, be aware if you set this then MySQL will t reat || as a string concatenation operator rather than as a synonym for OR. MySQL can also be set to use the || operator for string concatenation. SELECT CONCAT('Happy', ' ', 'Birthday') As BirthdayGreeting The above example would appear as follows in MySQL MySQL uses the CONCAT(string1, string2, string3.) function. SELECT 'Happy' || ' ' || 'Birthday' As BirthdayGreeting To achieve this in Oracle we would need to use the || operator which is equivalent to the string concatenation operator in SQL Server / Access. ![]() The Oracle CONCAT function can only take two strings so the above example would not be possible as there are three strings to be joined (FirstName, ' ' and LastName). Oracle uses the CONCAT(string1, string2) function or the || operator. SELECT 'Happy' ' ' 'Birthday' As BirthdayGreeting Name 'N'C:\Program Files\Microsoft SQL Server\MSSQL10.' '\MSSQL\DATA\Test12.mdf'' may be incorrect.SQL Server and Microsoft Access use the operator. While creating a database, i am using to read the server instance and concatenating it with the 'filename' (sciprt as below) and getting the error as - A file activation error occurred. The Oracle CONCAT function can only take two strings so the above example would not be possible as there are three strings to be. Oracle uses the CONCAT(string1, string2) function or the operator. bat file(to create a database and tables under it) to run a set of. SQL Server and Microsoft Access use the operator.- SQL Server / Microsoft Access SELECT 'Happy' ' ' 'Birthday' As BirthdayGreeting Oracle. ![]() ![]() ![]() When I do this, I have the opportunity to review and refine the settings for the task: If I don’t use a schedule, I can simply click Start to run my task on an as-needed basis: I have many scheduling options here are just a few: I can set up filtering and use a schedule: Then I create a task that uses one of my existing SMB shares as a source, and the FSx for Windows file system as a destination. I give my task a name ( MyTask), and configure any desired options: You can configure these file systems as DataSync Locations and then reference them in your DataSync Tasks.Īfter I choose the desired FSx for Windows file system, I supply a username and password, and enter the name of the Windows domain for authentication: Today I am happy to announce that we are giving you the ability to use DataSync to transfer data to and from Amazon FSx for Windows File Server file systems. S3 Storage Class Support – We gave you the ability to choose the S3 Storage Class when transferring data to an S3 bucket. SMB File Share Support – We added support for file transfer between a pair of SMB file shares. Task Scheduling – We gave you the ability to schedule data transfer tasks using the AWS Management Console or the AWS Command Line Interface (CLI), with hourly, daily, and weekly options:Īdditional Region Support – We recently made DataSync available in the Europe (Stockholm), South America (São Paulo), Asia Pacific (Hong Kong), Asia Pacific (Mumbai), and AWS GovCloud (US-East) Regions, bringing the total list of supported regions to 20.ĮFS-to-EFS Transfer – We added support for file transfer between a pair of Amazon Elastic File System (EFS) file systems.įiltering for Data Transfers– We gave you the ability to use file path and object key filters to control the data transfer operation: Since the launch of DataSync in November 2018, we have made several important updates and changes to DataSync including:Ħ8% Price Reduction – We reduced the data transfer charge to $0.0125 per gigabyte. ![]() Our customers use DataSync for transfer operations that encompass hundreds of terabytes of data and millions of files. The agent uses a robust, highly-optimized data transfer protocol to move data back and forth at up to 10 times the speed of open source data transfer solutions.ĭataSync can be used for a one-time migration-style transfer, or it can be invoked on a periodic, incremental basis for upload & process, archiving, and backup/DR purposes. The DataSync agent is deployed as a VM within your existing on-premises or cloud-based environment so that it can access your NAS or file system via NFS or SMB. Our customers use Amazon FSx for Windows File Server to lift-and-shift their Windows workloads to the cloud, where they can benefit from consistent sub-millisecond performance and high throughput. It includes a very wide variety of enterprise-ready features including native multi-AZ file systems, support for SQL Server, data deduplication, quotas, and the ability to force the use of in-transit encryption. As I noted in New – AWS DataSync – Automated and Accelerated Data Transfer, our customers use DataSync for their large-scale migration, upload & process, archiving, and backup/DR use cases.Īmazon FSx for Windows File Server gives you network file storage that is fully compatible with your existing Windows applications and environments (read New – Amazon FSx for Windows File Server – Fast, Fully Managed, and Secure to learn more). AWS DataSync helps you to move large amounts of data into and out of the AWS Cloud. ![]() More ocean and, thanks to the height of the terrain generated before we loaded the old map into the newer version of Minecraft, the drop from the top of the of the jungle mountain to the ocean below is a around 50 blocks. Let’s take a look at how great it looks from the other side. There it is, a big beautiful mountainous jungle biome. If that’s not glitchy and ugly enough for you, consider this screenshot from the jungle area seen to the north of the spawn point and the village in the image above. The old generator read the seed and said, “Make this area a desert!” but the new generator said, “Make this area an ocean!” You can see the crisp line traveling horizontally that delineates the old terrain from the new. The above screenshot was taken after flying to the other side of the desert village, looking back toward the center of the map from the newly generated terrain. You know the village you can see in the distance in the desert above? It has a rather peculiar shoreline now. After waiting for the distance to render we flew around the edge of the old map (approximately 16 chunks away from the center) and looked at where the edges of map generated with the old algorithm merged with the new one. We then we logged out and loaded the same map in Minecraft 1.8.3 and set our view distance to 32 chunks. This means that surrounding our spawn point there is a grid of 32×32 chunks generated by the terrain generator.Īfter creating this map we waited for all the chunks to generate and our view to populate in all directions. The view distance is set to “Far” (early versions of Minecraft didn’t allow for numeric chunk-based view distance, but we know that Far is equivalent to a view distance of 16 chunks). We’ve loaded the map in Creative mode and flown straight up from our starting square. For information on using seeds, check out our Minecraft lesson Creating Custom Maps.įirst, let’s highlight our methodology. ![]() The seed for our map, if you wish to play along at home, is 1261263041493870342. First, here’s a screenshot of our sample map. Let’s take a look at how ugly that can be by loading creating a map with Minecraft 1.6.4 and then loading in Minecraft 1.8.3. Mountains will plunge down sheer faces into oceans, strange perfectly square patches of forest will appear in deserts, and other ugly artifacts will appear on your maps. This means if you load a map created in Minecraft 1.6.* into Minecraft 1.8.* then the transitional areas between the area you’ve already explored and the new areas you will explore in the future will be very ugly as the terrain generator will generate completely mismatched terrain. The world seed remains with the world map for the life of that map but what the terrain generation algorithm creates based on that seed can change significantly between major Minecraft versions. Where it breaks down (and what we’re concerned with today) is when players bring an old map from a previous version of Minecraft into a new version of Minecraft. This system works very well, and it’s the magical underpinning of the Minecraft universe wherein players can keep roaming and roaming with new hills, mountains, caves, and more generated on the fly for them to explore. This seed serves as a pseudo-random number that is fed into a complex equation that then generates the Minecraft world around the player, chunk by chunk. Minecraft’s enormous and procedurally generated map is created using a terrain generator algorithm fed by the world’s seed (an alpha-numeric string either generated at the time the world is created based on the system timestamp or supplied by the player). |
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