Create a table in a specific schema To create table in specific schema, we must use two-part name. The schema in which you are creating the table must exists in the database. For example, you want to create a table namedtblPatientinPatientsschema, the Create table definition will be as ...
In SQL, we can create a new table by duplicating an existing table's structure. Let's look at an example. -- create a backup table from the existing table CustomersCREATETABLECustomersBackupASSELECT*FROMCustomers; Run Code This SQL command creates the new table namedCustomersBackup, duplicating...
Windows 相容的目錄名稱。 在 SQL Server 執行個體的所有 Database_Directory 名稱之間,此名稱必須是唯一的。 不論 SQL Server 定序設定為何,唯一性比較不區分大小寫。 在此資料庫中建立 FileTable 之前,您應該先設定這個選項。 只有當 CONTAINMENT 已經設為 PARTIAL 時,才允許下列選項。 如果 CONTAINMENT 設定為 ...
SQL -- External File Format for PARQUETCREATEEXTERNALFILEFORMATParquetFileFormatWITH(FORMAT_TYPE = PARQUET); GOCREATEEXTERNALTABLEDelta_to_ParquetWITH( LOCATION ='/backup/sales.parquet', DATA_SOURCE = s3_parquet, FILE_FORMAT = ParquetFileFormat )ASSELECT*FROMOPENROWSET(BULK'/delta/sales_fy22/',FO...
INTO new_table_name [IN externaldatabase] FROM old_tablename SQL SELECT INTO 实例 - 制作备份复件 下面的例子会制作 "Persons" 表的备份复件: SELECT * INTO Persons_backup FROM Persons IN 子句可用于向另一个数据库中拷贝表: SELECT * INTO Persons IN 'Backup.mdb' ...
FULL启用对 FILESTREAM FileTable 的完全非事务性访问。 DIRECTORY_NAME = <directory_name> 适用于:SQL Server 2012 (11.x) 及更高版本 与Windows 兼容的目录名称。 此名称在 SQL Server 实例的所有 Database_Directory 名称中应该唯一。 无论 SQL Server 排序规则设置如何,唯一性比较都不区分大小写。 在此数据...
SQL -- External File Format for PARQUETCREATEEXTERNALFILEFORMATParquetFileFormatWITH(FORMAT_TYPE = PARQUET); GOCREATEEXTERNALTABLEDelta_to_ParquetWITH( LOCATION ='/backup/sales.parquet', DATA_SOURCE = s3_parquet, FILE_FORMAT = ParquetFileFormat )ASSELECT*FROMOPEN...
SQL Server 2022 (16.x) and later versions support CREATE EXTERNAL TABLE AS SELECT (CETAS) to create an external table and then export, in parallel, the result of a Transact-SQL SELECT statement to Azure Data Lake Storage (ADLS) Gen2, Azure Storage Account V2, and S3-compatible object st...
Node 2:Backup 1 started from node 1 completed StartGCP:177 StopGCP:180 #Records:7362 #LogRecords:0 Data:453648 bytes Log:0 bytes It is also possible to perform a backup from the system shell by invokingndb_mgmwith the-eor--executeoption, as shown in this example: ...
Node 2: Backup 1 started from node 1 completed StartGCP: 177 StopGCP: 180 #Records: 7362 #LogRecords: 0 Data: 453648 bytes Log: 0 bytesIt is also possible to perform a backup from the system shell by invoking ndb_mgm with the -e or --execute option, as shown in this example: ...