05-19-2014
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Does anyone have the code to look in a slqldr log file and get the total amount of records loaded? If so, could you please post.
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Hi all, i am doing a perl script to read from a db. I am able to retrieve the rows, but i am unable to return the number of rows selected. i tried
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Hi,
I am creating a korn shell script and i'm trying to find out what the total number of rows are in a specific text file and i need to store that number in a variable withing the script.
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4. UNIX for Dummies Questions & Answers
I have a file containing 750,000 records and have managed to sort them by related columns and now i'd like to add an ID number to the front of each line of the records that are grouped together. Which probably makes no sense so i have provided some example data and desired result.
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5. Shell Programming and Scripting
Hi,
I am loading data in the database table through sqlldr. I have to find total records loaded from sqlldr log file and store it in a variable in my script. How do I get it?
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6. Shell Programming and Scripting
Hi experts a have a very large file and I need to add two columns: the first one numbering the incidence of records and the another with the total count
The input file:
21 2341 A
21 2341 A
21 2341 A
21 2341 C
21 2341 C
21 2341 C
21 2341 C
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7. Shell Programming and Scripting
I have a file with the following format, i need to change de field9 each 3 rows to renumber field9 with gpo1, gpo2, gpo3.
I need to use awk
Original file
field1 field2 field3 field4 field5 field6 field7 field8 gpo3
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8. Shell Programming and Scripting
Hello Guys
I have a flat file with few thousands of rows.
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9. Shell Programming and Scripting
if
> wc -l data.txt
> 100
(meaning there are 100 rows)
i want to assgn 100 as n so that if i do
>echo n
it would give me
100
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10. Shell Programming and Scripting
Hi ,
I am using below control file
LOAD DATA
APPEND
INTO TABLE LSHADMIN.EG
TRAILING NULLCOLS
(
STUDY CHAR
)
and the text file to load data is
CACZ885M2301
When I run below command:
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LEARN ABOUT PHP
db2_rollback
DB2_ROLLBACK(3) 1 DB2_ROLLBACK(3)
db2_rollback - Rolls back a transaction
SYNOPSIS
bool db2_rollback (resource $connection)
DESCRIPTION
Rolls back an in-progress transaction on the specified connection resource and begins a new transaction. PHP applications normally default
to AUTOCOMMIT mode, so db2_rollback(3) normally has no effect unless AUTOCOMMIT has been turned off for the connection resource.
PARAMETERS
o $connection
- A valid database connection resource variable as returned from db2_connect(3) or db2_pconnect(3).
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
Rolling back a DELETE statement
In the following example, we count the number of rows in a table, turn off AUTOCOMMIT mode on a database connection, delete all of
the rows in the table and return the count of 0 to prove that the rows have been removed. We then issue db2_rollback(3) and return
the updated count of rows in the table to show that the number is the same as before we issued the DELETE statement. The return to
the original state of the table demonstrates that the roll back of the transaction succeeded.
<?php
$conn = db2_connect($database, $user, $password);
if ($conn) {
$stmt = db2_exec($conn, "SELECT count(*) FROM animals");
$res = db2_fetch_array( $stmt );
echo $res[0] . "
";
// Turn AUTOCOMMIT off
db2_autocommit($conn, DB2_AUTOCOMMIT_OFF);
// Delete all rows from ANIMALS
db2_exec($conn, "DELETE FROM animals");
$stmt = db2_exec($conn, "SELECT count(*) FROM animals");
$res = db2_fetch_array( $stmt );
echo $res[0] . "
";
// Roll back the DELETE statement
db2_rollback( $conn );
$stmt = db2_exec( $conn, "SELECT count(*) FROM animals" );
$res = db2_fetch_array( $stmt );
echo $res[0] . "
";
db2_close($conn);
}
?>
The above example will output:
7
0
7
SEE ALSO
db2_autocommit(3), db2_commit(3).
PHP Documentation Group DB2_ROLLBACK(3)