该百分比将表示已上载的文件总数。例如,我有: int64_t totalBytesSent int64_t totalBytesExpectedToSend 我想把它转换成百分比(浮点数)。我试过这个: int64_t percentage = totalBytesSent/totalBytesExpectedToSend; 这是: [NSNumber numberWithLongLong:totalBytesSent]; [NSNumber numberWithLongLong:totalBytesExpect...
我使用这个查询来获取标签的使用率(pdo): SELECT id_sticker, CAST((COUNT(*) / :stickers_count * 100) AS UNSIGNED) as percentage FROM user_sticker AS sticker_total WHERE id_user_to = :id_user GROUP BY id_sticker ORDER BY percentage DESC 这是最后的结果: { "data": [ { "id_sticker": ...
cast or convert nvarchar with comma as decimal separator to decimal CAST Timestamp to Bigint CAST() with COLLATE is non-deterministic -- what's the work around? Casting a NVARCHAR column with percentage as INT casting data-type nvarchar(100) to uniqueidentifier, how? Casting to datetime2 Catc...
Are CDate() and Convert.ToDateTime same in VB.NET? Argument 'Length' must be greater or equal to zero. Array of labels Arrays - Finding Highest and Lowest Values in an array asenumerable is not a member of system.data.datatable Asign an array to a Combobox.Items --VB.NET Assign ...
CREATE SCHEMA sales; GO -- Create a table to store sales data CREATE TABLE sales.Orders ( SaleID INT, SalesRep VARCHAR(100), ProductName VARCHAR(50), SaleAmount DECIMAL(10, 2), SaleDate DATE ); -- Insert sample data INSERT INTO sales.Orders (SaleID, SalesRep, ProductName, SaleAmount...
CREATE SCHEMA sales; GO -- Create a table to store sales data CREATE TABLE sales.Orders ( SaleID INT, SalesRep VARCHAR(100), ProductName VARCHAR(50), SaleAmount DECIMAL(10, 2), SaleDate DATE ); -- Insert sample data INSERT INTO sales.Orders (SaleID, SalesRep, ProductName, SaleAmount...
but the SQL Server Database Engine must be upgraded to at least SQL Server 2005 Service Pack 2. You cannot attach a database using vardecimal storage format to an earlier version of SQL Server. For more information about the vardecimal storage format, seeStoring Decimal Data As Variable Length...
incremental value for the column. Identity columns are typically used together with PRIMARY KEY constraints to serve as the unique row identifier for the table. The IDENTITY property can be assigned to tinyint, smallint, int, bigint, decimal(p,0), or numeric(p,0) columns. Only one identity...
For conversion from datetime or smalldatetime to character data, see the previous table for the output format.5 Hijri is a calendar system with several variations. SQL Server uses the Kuwaiti algorithm.6 For a milliseconds (mmm) value of 0, the millisecond decimal fraction value won't display....
Converts an expression of one data type to another in SQL Server 2008. Data Types (Transact-SQL) Returns expression translated to data_type. Important By default, SQL Server interprets two-digit years based on a cutoff year of 2049. That is, the two-digit year 49 is interpreted as 2049...