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-- Drop function top100cur (refcursor); Create Function top100cur (refcursor) returns refcursor as $ beginopen $1 for select * From person limit 100; return $1; end $ language plpgsql; ---------- test cursor ----------- select top100cur ('abc'); -- fetch all from ABC; -- drop function from2cur (refcursor, Int, INT ); -- This is a function that returns records within a certain range in the cursor -- create f
);create function top100cur(refcursor) returns refcursor as $$declare abcdef refcursor;beginopen $1 for select * from person limit 100;return $1;end$$language plpgsql;SELECT top100cur('abc');fetch all from "abc"; 7. Open a cursor variable that is neither declare nor passed in. -- Drop function top100cur (refcursor); Create Function top100cur (refcursor) returns refcursor as $ declare abcdef refcursor; begin -- open defg for select * From person limi
Question: PostgreSQL needs to be used in VC. ODBC is used in the first place. I want to use other methods because I feel the configuration is troublesome. We can see that libpq ++ can be used at the beginning, but the version of libpqxx is no longer available after. Others also say that libpqxx is used, but those makefiles are hard to get, it seems that a specific vs version is required for compilation, so libpq is used in simplicity, because only sim
text can be commented out to speed up ifSrecord.contains('"') ThenSrecord:= Srecord.replace ('"','\"\"', [Rfreplaceall]); ifSrecord.indexofany ([',',' ','{','"']) >=0 ThenSrecord:='\"'+ Srecord +'\"'; Result:= Result +','+Srecord; End; End; End; Result:='{"('+ result.substring (1) +')"}';End;//TestprocedureTform1.button1click (sender:tobject);vars, s1, S2:string;beginUniQuery1.SQL.Text:='SELECT * from T1'; Uniquery1.open; Uniquery1.first; S:=dataserecordtoarraystring (UniQuery1); Uni
1. The following Code creates a top100cur () function, which returns an anonymous cursor -- dropfunctiontop100cur (); createfunctiontop10 1. The following Code creates a top100cur () function, which returns an anonymous cursor -- drop function top100cur (); create function top10 1. The following Code creates a top100cur () function, which returns an anonymous cur
1. Download the source code $ mkdir /usr/downloads$ wget -c http://cn2.php.net/distributions/php-5.6.20.tar.gz$ tar -xvf php-5.6.20.tar.gz$ mv php-5.6.20 /usr/local/src$ cd !$ cd php-5.6.20 2. Read the installation Instructions $ ls -also$ less README$ less INSTALL 3. Installing dependent Packages $ yum install apr apr-util apr-devel apr-util-devel prce lynx 4. Installing httpd $ wget -c http://apache.fayea.com//httpd/httpd-2.4.20.tar.gz$ tar -xvf httpd-2.4.20.tar.gz$ cd httpd-2.4.20$ ./config
bomintraplantroute asJoin intraplantroute as BOn a. intraplantrouteid = B. intraplantrouteidWhere a. bomintraplantrouteid = @ bomintraplantrouteid -- Get bucketname based bucketid using procDeclare @ bucketname varchar (6)Exec pr_tosolver_populatebucketname @ bucketid, @ bucketname output -- Insert value to tableInsert into ofg_slv_dev3.dbo.ds_in_bom_intraplant_route_bucket(Bom_header_name,Bucket,Intraplant_route_name,Yield,TPT,MFG)Values(@ Bomid,@ Bucketname,@ Intraplantroutename,@ Yield,@
Tags: output PL/SQL using method Open store query with exit utilization I. EXPLICIT cursorExplicit is relative to the implicit cursor, that is, there is a clear declaration of the cursor. The declaration of an explicit cursor is similar to the following (specific syntax for Plsql ref doc):Cursor cursor_name (parameter
I. EXPLICIT cursorExplicit is relative to the implicit cursor, that is, there is a clear declaration of the cursor. The declaration of an explicit cursor is similar to the following (specific syntax for Plsql ref doc):Cursor cursor_name (parameter list) is select ...Cursors from declare, open, fetch, and close are a co
Cursor is a complex concept in the database field, because it contains shared cursor and session cursor. The two have different concepts and forms.The concept of shared cursor is easy to confuse with the cursor defined in SQL statements. This article describes the parent
Today, we will briefly summarize the usage of cursor in PL/SQL. I believe many DBAs who are engaged in development or maintenance have encountered similar face-to-face problems when looking for a job: Please briefly describe the type of the cursor, let's talk about the difference between a normal cursor and a ref cursor
Today, we will briefly summarize the usage of cursor in PL/SQL. Cursor category: -- Explicit cursor-- Static cursor | | -- Implicit cursorCursor |-- Strong type (Restriction), specifying the return type-- Dynamic Cursor -- ref cursor
I. EXPLICIT cursorExplicit is relative to the implicit cursor, which is the cursor with a clear declaration. The declaration of an explicit cursor is similar to the following (the detailed syntax participates in PLSQL ref doc):Cursor cursor_name (parameter list) is select ...Cursors from declare, open, fetch, and close
Transferred from: http://developer.hi.baidu.com/#/detail/15344654this day's simple summary of the usage of cursor (cursor/cursor) in pl/ SQL. I believe many DBAs who are engaged in development or maintenance have encountered similar face-to-face problems when looking for a job: Please briefly describe the type of the curs
The difference among Cursor, hidden Cursor, and dynamic Ref Cursor is displayed in PLSQL. plsqlref1. Explicit cursorExplicit is relative to implicit cursor, that is, there is a clear declared cursor. The declaration of an explicit cursor
PL/SQL provides six types of cursor attributes: Cursor property Name Description Example % Found True is returned if the record is obtained successfully. Otherwise, false is returned. BeginUpdate t set name = 'F' where id = 2;If SQL % found thenDbms_output.put_line ('cursor attribute ');End if;End; % Notfound True
Understanding the cursor (2) Introduction to the attribute of the cursor and Case Study of Different cursor categories links: Understanding the cursor (1): Overview of the cursor http://www.bkjia.com/database/201212/177395.html PL/SQL provides six types of
Learning MongoDB 6: MongoDB query (cursor operation, cursor information) (3), mongodb cursorI. Introduction Db. collection. find () can be used to query based on conditions and specify fields returned using the projection operator to omit this parameter to return all fields in the matching document. The cursor of the matching document is returned. You can modify
A cursor (cursor) is a database query stored on a DBMS server that is not a SELECT statement, but rather a result set that is retrieved by the statement. After the cursor is stored, the application can scroll or browse the data as needed. Using cursors Steps to use cursors: Before you use a cursor, you must declare
Mysql cursor example mysql cursor simple tutorial, mysql cursor example tutorial From mysql V5.5, a major change was made, that is, InnoDB was used as the default storage engine. InnoDB supports transactions and has the relevant RDBMS features: ACID transaction support, data integrity (supports foreign keys), and disaster recovery capabilities. Now, let's briefl
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