在ETL项目中,通常有根据运行时输入参数去执行一些SQL语句,如查询数据。本文通过kettle中的表输入(“table input”)步骤来说明动态查询、参数查询。示例代码使用内存数据库(H2),下载就可以直接运行,通过示例学习更轻松。 SQL查询语句中占位符绑定字段值 第一个接近动态语句的是大家熟悉的从SQL代码中执行,开始写一个SQL...
1, paste, collapse = "\t"), collapse = "\n")states_sample <- dplyr::sample_n(states, 3)states_sample_string <- paste(apply(states_sample, 1, paste, collapse = "\t"), collapse = "\n")# Function to process user inputget_prompt <- function(query,...
mysql> insert into admin values (2+if((substr((selectuser()),1,1)='r'),sleep(5),1),'1',"admin"); Query OK,1row affected (5.00sec) mysql> insert into admin values (2+if((substr((selectuser()),1,1)='p'),sleep(5),1),'1',"admin"); Query OK,1row affected (0.00sec) ...
【LLM用例】SQL数据库问答系统"[(1, 'AC/DC'), (2, 'Accept'), (3, 'Aerosmith'), (4, 'Alanis Morissette'), (5, 'Alice In Chains'), (6, 'Antônio Carlos Jobim'), (7, 'Apocalyptica'), (8, 'Audioslave'), (9, 'BackBeat'), (10, 'Billy Cobham')]"
At the sqlcmd prompt type: USE AdventureWorks; GO 當您按 ENTER 鍵時,會出現下列參考用訊息:「已將資料庫內容變更為 'AdventureWorks'」。 Transact-SQL 查詢的輸出格式 sqlcmd會先列印包含選取清單所指定之資料行名稱的資料行標頭。資料行名稱是以 SQLCMDCOLSEP 字元分隔。根據預設,這是一個空格。如果資料行...
(default: "127.0.0.1") -p, --port=PORT database server port (default: "1921") -U, --username=USERNAME database user name (default: "postgres") -w, --no-password never prompt for password -W, --password force password prompt (should happen automatically) For more information, type "...
{agent_scratchpad}""" prompt = ZeroShotAgent.create_prompt( tools, prefix=prefix, suffix=suffix, input_variables=["objective", "task", "context", "agent_scratchpad"], ) llm = OpenAI(temperature=0.1) llm_chain = LLMChain(llm=llm, prompt=prompt) tool_names = [tool.name for tool in ...
pager (\P) Set PAGER [to_pager]. Print the query results via PAGER. print (\p) Print current command. prompt (\R) Change your mysql prompt. quit (\q) Quit mysql. rehash (\#) Rebuild completion hash. source (\.) Execute an SQL scriptfile. Takes afilename as an argument. ...
The behavior is similar to when the user explicitly specifies TABLOCK hint while performing bulk load, or when the sp_tableoption table lock on bulk load is enabled for a given table. However, when this trace flag is enabled, this behavior becomes default without any query or database ...
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