在本快速入门中,你将了解如何使用 Visual Studio Code 的 MSSQL 扩展连接到数据库,无论数据库是在本地、容器中还是在云中运行。 然后,你将了解如何使用 Transact-SQL (T-SQL) 语句创建数据库、定义表、插入数据和查询结果。 先决条件 若要完成本快速入门,必须具备以下条件: ...
When you are creating a table, data compression is set to NONE, unless specified otherwise. If you specify a list of partitions or a partition that is out of range, an error will be generated. For a more information about data compression, see Data Compression. To evaluate how changing ...
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 following: 1 2 3 4 5 6 7 8 9 ...
For more information about defining a table with a LOB column (CLOB, BLOB, or DBCLOB), see Creating a table with LOB columns. If IN ACCELERATOR is specified, not all data types are supported. For example, DECFLOAT, LOB, ROWID, TIMESTAMP WITH TIME ZONE, and XML are not supported. For...
To start the examples, first create a test table to use for the INSERT examples with the SQL statements below. Take note that the test table dbo.CustomerMonthlySales has a RecordID column that has an integer datatype and an Identity property. This is commonly used when creating tables to ...
The referential constraint definition specified for FOREIGN KEYnamein the CREATE TABLE or ALTER TABLE statement is not valid. The reason code indicates more specifcally what the problem is: 1 The relationship is self-referencing and is specified with a delete rule of RESTRICT or SET NULL and the...
defined by using Transact-SQLCREATE TYPEstatements. You have to create a table type and define the structure in SQL Server before you can use table-valued parameters in your client applications. For more information about creating table types, seeUser-Defined Table Typesin SQL Server Books Online...
For creating a database snapshot, specifies a list of files in the source database. For the snapshot to work, all the data files must be specified individually. However, log files are not allowed for database snapshots. FILESTREAM filegroups are not supported by database snapshots. If a ...
Under Key pair (login), choose a Key pair name to use an existing key pair. To create a new key pair for the Amazon EC2 instance, choose Create new key pair and then use the Create key pair window to create it. For more information about creating a new key pair, see Create ...
In the code block below, we have the basic syntax for creating a table with 3 columns: CREATE TABLE TableName( columnName1 TYPE, columnName2 TYPE, columnName3 TYPE ); GO Here is a simple break-down of the syntax: The “CREATE TABLE” command does just what it says, it creates a ...