*MessageText 緩衝區中 SQLGetDiagRec 傳回的錯誤訊息描述錯誤及其原因。 HY001 記憶體配置錯誤 驅動程式無法配置支援執行或完成函式所需的記憶體。 HY010 函式順序錯誤 (DM) 已針對 StatementHandle 呼叫SQLExecute、SQLExecDirect 或SQLMoreResults,並傳回SQL_PARAM_DATA_AVAILABLE。 在擷取所有數據流參數的數據之前,...
postgres=# copy public.t to '/data/pgxz/t.txt' with binary; COPY3 postgres=# \1 postgres=# \! cat /data/pgxz/t.txt PGCOPY tdsql_pg 默认为 TEXT 格式。 使用delimiter 指定列与列之间的分隔符 postgres=# copy public.t to '/data/pgxz/t.txt' with delimiter '@'; COPY3 postgres=# \...
无法指定大型值类型(varchar(max)、nvarchar(max)、varbinary(max)和大型对象(LOB)类型(text、ntext 和image)列。 SINGLE_BLOB 将data_file 内容返回为类型 varbinary(max) 单行、单列的行集 。 重要 建议仅使用 SINGLE_BLOB 选项(而不是 SINGLE_CLOB 和SINGLE_NCLOB)导入 XML 数据,因为仅 SINGLE_BLOB 支持...
A binary or character string with a RFC 8259-compliant JSON text and data format. JSON text is parsed into internal representation. Order of object members is preserved as is. Duplicate object member names are allowed.Example:JSON '{"id":10,"name":"What''s this?"}'JSON '[1, ' '2]...
SINGLE_NCLOB 通过将data_file读取为 Unicode,使用当前数据库的排序规则以 nvarchar(max)类型的单行单列行集的形式返回内容。 SQL SELECT*FROMOPENROWSET(BULKN'C:\Text1.txt', SINGLE_NCLOB )ASDocument; BULK 输入文件格式选项 CODEPAGE = { 'ACP' | 'OEM' | 'RAW' | 'code_page' } ...
"Test" VALUES (7, 'Text with a single '' quote'); GO -- Object identifiers do not have to be in double quotation marks -- if they are not reserved keywords. SELECT ID, String FROM dbo.Test; GO DROP TABLE dbo.Test; GO SET QUOTED_IDENTIFIER OFF; GO ...
CONVERT(TEXT, 437.324) returns the string "437.324" DateAdd, DateDiff, and DatePart functions These commonly used date functions are similar (DateAdd, DateDiff, and DatePart) in Access and TSQL, but the use of the first argument differs. ...
Convert String With Int's Comma Seperated Into Acutal Int's With Commas For Use IN Convert text from c# byte array to sql timestamp on sql script. convert the below stored procedure into query convert the string value to 2 decimal places in nvarchar data Convert Time in Hours and Minutes ...
CONVERT(TEXT, 437.324) returns the string "437.324" DateAdd, DateDiff, and DatePart functions These commonly used date functions are similar (DateAdd, DateDiff, and DatePart) in Access and TSQL, but the use of the first argument differs. ...
When dealing with values inside the database, there are a couple of useful functions to quote strings properly:quote_literal() or quote_nullable() - the latter outputs the unquoted string NULL for null input. There is also quote_ident() to double-quote strings where needed to get valid SQ...