HY090 不正確字串或緩衝區長度 (DM) *ValuePtr 是字元字串,BufferLength 小於零, 但不等於SQL_NTS。(DM) 驅動程式是 ODBC 2*.x* 驅動程式,描述元是 ARD, ColumnNumber 引數設定為 0,而針對 BufferLength 指定的 值不等於 4。 HY091 不正確描述元欄位識別碼 FieldIdentifier 引數指定的 值不是 ...
HY090Invalid string or buffer length(DM)*ValuePtris a character string, andBufferLengthwas less than zero but was not equal to SQL_NTS. (DM) The driver was an ODBC 2*.x* driver, the descriptor was an ARD, theColumnNumberargument was set to 0, and the value specified for the argument...
is_part_of_unique_keybitReturns1if the column is part of a unique index (including unique and primary constraint) and0if not. ReturnsNULLif it can't be determined that the column is part of a unique index. Only populated if browsing information is requested. Nullable. ...
Specifies that positioned updates or deletes made through the cursor don't succeed if the row was updated since being read into the cursor. SQL Server doesn't lock rows as they're read into the cursor. Instead, it uses comparisons of timestamp column values, or a checksum value, if the...
TSqlParser TSqlParserToken TSqlScript TSqlStatement TSqlStatementSnippet TSqlTokenType TSqlTriggerEventGroupHelper TSqlTriggerEventTypeHelper UnaryExpression UnaryExpressionType UniqueConstraintDefinition UniqueRowFilter UnpivotedTableReference UnqualifiedJoin UnqualifiedJoinType UpdateCall U...
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1、@Column注解 就像@Table注解用来标识实体类与数据表的对应关系类似,@Column注解来标识实体类中属性与数据表中字段的对应关系。 @Column注解一共有10个属性,这10个属性均为可选属性,各属性含义分别如下: name name属性定义了被标注字段在数据库表中所对应字段的名称; unique unique属性表示该字段是否为唯一标识,...
To find inactive mailboxes, run the command Get-Mailbox -InactiveMailboxOnly | Format-List Name,PrimarySmtpAddress,DistinguishedName,ExchangeGuid and then use the DistinguishedName or ExchangeGuid property values for the Identity parameter (values guaranteed to be unique). This switch is required to...
For example, a column specified asSET('one', 'two') NOT NULLcan have any of these values: '' 'one' 'two' 'one,two' ASETcolumn can have a maximum of 64 distinct members. A table can have no more than 255 unique element list definitions among itsENUMandSETcolumns considered as a gro...
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