您可以使用 sp_sequence_get_range 一次取得多個序號。如需使用 CREATE SEQUENCE 和NEXT VALUE FOR 函數的相關資訊和案例,請參閱 序號。Transact-SQL 語法慣例語法syntaxsql 複製 CREATE SEQUENCE [schema_name . ] sequence_name [ AS [ built_in_integer_type | user-defined_integer_type ] ] [ START ...
Creates a sequence object and specifies its properties. A sequence is a user-defined schema bound object that generates a sequence of numeric values according to the specification with which the sequence was created. The sequence of numeric values is generated in an ascending or descending order at...
然后在传入参数让数据库自动替换 SQL 中占位符并执行,在这个过程中,由于预编译好的 SQL 模板本身语法已经定死,因此后续所有参数都会被视为不可执行的非 SQL 片段被转义,因此能够防止 SQL 注入。
To create a sequence in your own schema, you must have theCREATESEQUENCEsystem privilege. To create a sequence in another user's schema, you must have theCREATEANYSEQUENCEsystem privilege. Syntax create_sequence::= Description of the illustration create_sequence.eps ...
syntaxsql CREATEDATABASEdatabase_snapshot_nameON(NAME=logical_file_name,FILENAME='os_file_name') [ ,...n ]ASSNAPSHOTOF[;] 引數 database_name 這是新資料庫的名稱。 資料庫名稱在 SQL Server 的執行個體內必須是唯一的,且必須符合識別碼的規則。
Use the out_of_line_constraint syntax to define an integrity constraint as part of the table definition.Note: You must specify a PRIMARY KEY constraint for an index-organized table, and it cannot be DEFERRABLE.See Also: the syntax description of out_of_line_constraint in the constraints...
If the data type of the sequence is a distinct type, the privilege set must include the USAGE privilege on the distinct type. Syntax >>-CREATE SEQUENCE--sequence-name---> .---. V (1) | >---+---+-+--->< | .-INTEGER---. | +-AS--+-data-type-+---...
syntaxsql 复制 CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column_name [ ASC | DESC ] [ ,...n ] ) [ WITH <backward_compatible_index_option> [ ,...n ] ] [ ON { filegroup_name | "default" } ] ::= { [ database_name. [ owner_name ] . ...
Transact-SQL 純量函式的語法。syntaxsql 複製 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS return_data_type [ WITH <...
The minimum value is 2 (SQLSTATE 42815). The default value is CACHE 20. NO CACHE Specifies that values of the sequence are not to be preallocated. It ensures that there is not a loss of values in the case of a system failure, shutdown or database deactivation. When this option is sp...