postgres=# \h create sequence Command: CREATE SEQUENCE Description: define a new sequence generator Syntax: CREATE [ TEMPORARY | TEMP ] SEQUENCE [ IF NOT EXISTS ] name [ INCREMENT [ BY ] increment ] [ MINVALUE minvalue | NO MINVALUE ] [ MAXVALUE maxvalue | NO MAXVALUE ] [ START [ ...
SQL Server 呼叫 ICommandPrepare::Prepare 來準備命令。 如果提供者不支援此介面,SQL Server 會繼續執行步驟 4。 如果產生的查詢已參數化,SQL Server 會使用 ICommandWithParameters::SetParameterInfo 來描述參數,並使用 IAccessor::CreateAccessor 為參數建立存取子。 SQL Server 呼叫 ICommand::Execute 來...
IN_SERVERLESS、UC_COMMAND_NOT_SUPPORTED_IN_SHARED_ACCESS_MODE、UC_CREDENTIAL_PURPOSE_NOT_SUPPORTED、UC_DATASOURCE_NOT_SUPPORTED、UC_DATASOURCE_OPTIONS_NOT_SUPPORTED、UC_FAILED_PROVISIONING_STATE、UC_FILE_SCHEME_FOR_TABLE_CREATION_NOT_SUPPORTED、UC_INVALID_NAMESPACE、UC_INVALID_REFERENCE、UPGRADE_NOT_...
如果使用的是过时的 Azure CLI 版本,可能会看到错误 az sql: 'vm' is not in the 'az sql' command group。 下载最新版本的 Azure CLI,以跳过此错误。 定义群集元数据 Azure CLI az sql vm group 命令组管理托管可用性组的 Windows Server 故障转移群集 (WSFC) 服务的元数据。 群集元数据包括 Ac...
2562 Runs the DBCC CHECKDB command in a single "batch" regardless of the number of indexes in the database. By default, the DBCC CHECKDB command tries to minimize tempdb resources by limiting the number of indexes or "facts" that it generates by using a "batches" concept. But this trace...
Instead of relying on the limited details in the SQL Server Agent Job History, you can use SSIS logging to make sure that you have error information about the SSIS package failure. You can also run the package by using the exec subsystem command instead of the SSIS subsyste...
LIKE operator not working! Like operator with Integers LIKE query on varchar(max) or nvarchar(max) columns Like vs. CharIndex Limit to number of INSERT statements or VALUES clauses Limiting a column to alpha-numeric values Line Break in Concatenation Line break or Carriage return in a Delimited...
2562 Runs the DBCC CHECKDB command in a single "batch" regardless of the number of indexes in the database. By default, the DBCC CHECKDB command tries to minimize tempdb resources by limiting the number of indexes or "facts" that it generates by using a "batches" concept. But this trace...
To work with our PostgreSQL database, we can use psql — the interactive PostgreSQL command line program. If you have another database client that you enjoy working with that's fine too! 要使用PostgreSQL数据库,我们可以使用psql —交互式PostgreSQL命令行程序。 如果您有另一个喜欢的数据库客户端,那...
The SQL UNION Operator TheUNIONoperator is used to combine the result-set of two or moreSELECTstatements. EverySELECTstatement withinUNIONmust have the same number of columns The columns must also have similar data types The columns in everySELECTstatement must also be in the same order...