Creating cursors in sql and updating each line in cursor

by  |  07-Aug-2019 11:39

Sexy girll - Creating cursors in sql and updating each line in cursor

Information is transmitted between a PL/SQL program and the database through variables. In many cases, a PL/SQL variable will be used to manipulate data stored in a existing relation.

Every variable has a specific type associated with it. In this case, it is essential that the variable have the same type as the relation column.

PDF (US Ltr) - 37.9Mb PDF (A4) - 38.0Mb PDF (RPM) - 37.3Mb HTML Download (TGZ) - 10.3Mb HTML Download (Zip) - 10.3Mb HTML Download (RPM) - 8.9Mb Man Pages (TGZ) - 216.7Kb Man Pages (Zip) - 329.5Kb Info (Gzip) - 3.4Mb Info (Zip) - 3.4Mb My SQL Backup and Recovery My SQL Globalization My SQL Information Schema My SQL Installation Guide My SQL and Linux/Unix My SQL and OS X My SQL Partitioning My SQL Performance Schema My SQL Replication Using the My SQL Yum Repository My SQL Restrictions and Limitations Security in My SQL My SQL and Solaris Building My SQL from Source Starting and Stopping My SQL My SQL Tutorial My SQL and Windows My SQL NDB Cluster 7.5 CREATE PROCEDURE curdemo() BEGIN DECLARE done INT DEFAULT FALSE; DECLARE a CHAR(16); DECLARE b, c INT; DECLARE cur1 CURSOR FOR SELECT id,data FROM test.t1; DECLARE cur2 CURSOR FOR SELECT i FROM test.t2; DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; OPEN cur1; OPEN cur2; read_loop: LOOP FETCH cur1 INTO a, b; FETCH cur2 INTO c; IF done THEN LEAVE read_loop; END IF; IF b PDF (US Ltr) - 37.9Mb PDF (A4) - 38.0Mb PDF (RPM) - 37.3Mb HTML Download (TGZ) - 10.3Mb HTML Download (Zip) - 10.3Mb HTML Download (RPM) - 8.9Mb Man Pages (TGZ) - 216.7Kb Man Pages (Zip) - 329.5Kb Info (Gzip) - 3.4Mb Info (Zip) - 3.4Mb My SQL Backup and Recovery My SQL Globalization My SQL Information Schema My SQL Installation Guide My SQL and Linux/Unix My SQL and OS X My SQL Partitioning My SQL Performance Schema My SQL Replication Using the My SQL Yum Repository My SQL Restrictions and Limitations Security in My SQL My SQL and Solaris Building My SQL from Source Starting and Stopping My SQL My SQL Tutorial My SQL and Windows My SQL NDB Cluster 7.5 Hi all, as beat pointed out, LOOP is the only construct that I found useful for traversing cursors. See examples: Nesting cursors is possible, you just need to take care of a few things.

You can either put the inner cursor in it's own BEGIN..

The concept of a binary cursor as such is thus obsolete when using extended query protocol — any cursor can be treated as either text or binary.

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