oracle10g

问题 Unable to trim blank space in below data in my table. column data type is VARCHAR2(650 CHAR). I tried trim function to eliminate blank space. but that is not working for me. DATA in my table: 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14 ' 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14 ' 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14 ' I want trim the data like below 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14' 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14' 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14' Could

问题 I just want to give you a little background Need to write a PL-SQL which will extract 6 million record joining different tables and create a file of that. Need more suggestions, specifically on how to fetch these many records. As fetching these million of records on a single go can be a highly resource intensive. So question is how to fetch these many records ? Any pl-sql will be highly appreciated. 回答1: Do you need to extract the contents of a single table, or a JOIN result? Does the result

问题 I just want to give you a little background Need to write a PL-SQL which will extract 6 million record joining different tables and create a file of that. Need more suggestions, specifically on how to fetch these many records. As fetching these million of records on a single go can be a highly resource intensive. So question is how to fetch these many records ? Any pl-sql will be highly appreciated. 回答1: Do you need to extract the contents of a single table, or a JOIN result? Does the result

问题 I have a query that was written for Oracle using the old (+) syntax and now I want to convert it to Access SQL. Here is my query: select BOOKCODE.BOOKCODEID,BOOKCODE.BOOKCODENAME from Application_bookcode, BookCode where BOOKCODE.BOOKCODEID (+) = HMISUnitTest.APPLICATION_BOOKCODE.BOOKCODEID and HMISUnitTest.APPLICATION_BOOKCODE.ApplicationId = 7 What is the equivalent in Access SQL? 回答1: If I remember the old Oracle outer join syntax (and it's been a long time ), the corresponding query in

问题 I'm trying to fetch some Data of a Oracle 10 Database. Some cells are containing german umlauts (äöü). In my Administration-Tool (TOAD) I can see them very well: "Mantel f ü r Damen" (Jacket for Women) This is my C# Code (simplified): var oracleCommand = new OracleCommand(sqlGetArticles, databaseConnection); var articleResult = oracleCommand.ExecuteReader(); string temp = articleResult.Read()["SomeField"].ToString(); Console.WriteLine(temp); The output is: "Mantel f ? r Damen" Tryed on

问题 I am trying to insert people's height into a database in the form of 5'9 How do I properly escape the quote so I can do this. My insert statement looks like this so far. INSERT INTO height(id, height) VALUES(height-seq.nexval, '5\'9'); The backslash does not work obviously and I am pretty new to oracle. Thanks 回答1: Oracle uses standard SQL: INSERT INTO height(id, height) VALUES(height-seq.nexval, '5''9'); (Yes there are two single quotes) 回答2: if you are doing this from a front end using some

问题 Using SQLDeveloper 4.0.1.14 to create an export script (separate files & "drops" checked), it generated me those 4 lines among others in DROP.sql : DROP SYNONYM "PUBLIC"."DUAL"; DROP SYNONYM "PUBLIC"."DBMS_SQL"; DROP SYNONYM "PUBLIC"."DBMS_LOCK"; DROP SYNONYM "PUBLIC"."DBMS_OUTPUT"; Now that I have accidentally passed the whole script using SYSTEM user, I can no longer do modification (create or drop tables) to the database, I have that error popping: An error was encountered performing the

问题 Using SQLDeveloper 4.0.1.14 to create an export script (separate files & "drops" checked), it generated me those 4 lines among others in DROP.sql : DROP SYNONYM "PUBLIC"."DUAL"; DROP SYNONYM "PUBLIC"."DBMS_SQL"; DROP SYNONYM "PUBLIC"."DBMS_LOCK"; DROP SYNONYM "PUBLIC"."DBMS_OUTPUT"; Now that I have accidentally passed the whole script using SYSTEM user, I can no longer do modification (create or drop tables) to the database, I have that error popping: An error was encountered performing the

问题 If I have a data like this: GROUP | SEQUENCE | COMMAND ------------------------------ ONE | 3 | <message2>MESSAGE</message2> ONE | 1 | <?xml version="1.0" encoding="UTF-8"?> ONE | 2 | <message1>MESSAGE</message1> TWO | 2 | <message2>MESSAGE</message2> TWO | 1 | <?xml version="1.0" encoding="UTF-8"?> ........ TWO | 10 | <message9>MESSAGE</message9> How can I concatenate the command to be like this: GROUP | COMMAND ----------------- ONE | <?xml version="1.0" encoding="UTF-8"?>,<message1>MESSAGE

问题 I have a function in a package that returns a REF CURSOR to a RECORD. I am trying to call this function from a code block. The calling code looks like this: declare a_record package_name.record_name; cursor c_symbols is select package_name.function_name('argument') from dual; begin open c_symbols; loop fetch c_symbols into a_record; exit when c_symbols%notfound; end loop; close c_symbols; end; The function declaration as part of package_name looks something like this: TYPE record_name IS