Column aliases can be specified. If a column alias list isn't specified, the format file must have column names. Specifying column aliases overrides the column names in the format file, such as: FROM OPENROWSET(BULK...) AS table_alias FROM OPENROWSET(BULK...) AS table_alias(column_alias,...
Table( "mydata", metadata, Column("id", Integer, primary_key=True), Column("data", ArrayOfEnum(ENUM("a", "b", "c", name="myenum"))), )此类型未作为内置类型包含,因为它与突然决定在新版本中直接支持 ENUM 的 DBAPI 不兼容。 ### 使用 JSON/JSONB 与 ARRAY...
Specifies insertion of a table column's default value, if any, instead ofNULLwhen the data record lacks a value for the column. For an example that uses this hint in anINSERT ... SELECT * FROM OPENROWSET(BULK...)statement, seeKeep nulls or default values during bulk import (SQL Server...
Specifies insertion of a table column's default value, if any, instead ofNULLwhen the data record lacks a value for the column. For an example that uses this hint in anINSERT ... SELECT * FROM OPENROWSET(BULK...)statement, seeKeep nulls or default values during bulk import (SQL Server...
Do not specify a column in the foreign key definition that is already contained in the existing foreign key definition or if the delete rule of the existing referential constraint is not SET NULL, change the delete rule of the new constraint to be the same. ...
Values in CHAR, VARCHAR, and TEXT columns are sorted and compared according to the character set collation assigned to the column.MySQL collations have a pad attribute of PAD SPACE, other than Unicode collations based on UCA 9.0.0 and higher, which have a pad attribute of NO PAD.对于CHAR、...
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Columns - list of #column{} descriptions of Results columns Results - list of {ok, Count} or {ok, Count, Rows}There are 2 versions:execute_batch/2 - each item in a batch has it's own named statement (but it's allowed to have duplicates)example:{...
Action: Check previous tokens as well as the one given in the error message. The line and column numbers given in the error message refer to the end of the faulty language construct. PLS-00104 empty argument list in call of procedure 'string' must be omitted Cause: In a subprogram call...
Adding in a unique id via derived column. Adding SSIS will require downtime ? ADO NET Source has failed to acquire the connection {---} with the following error message: "Could not create a managed connection manager." Agent Job should call next step if SP returns value 1. Job should...