ehe may i know what are the difference between Unix & Linux, and what are the advantages of having Unix as well as disadvantages of having Unix or if u dun mind i am dumb do pls tell me what are the advantages as well as the disadvantages of having linux as well. thanks (1 Reply)
Wow I'm so zoned out I don't even know if I posted this question up already (I couldn't find it in my book marks or in "yesterday's" post).
My question is, I'm writing a korn script that does something like the following, but I don't yet completely understand the syntax. I need to check that... (16 Replies)
Hi All,
Can some one tell me how to get run the following:
data1="hello"
data2="world"
if
then
{
echo "good afternnon"
}
else
{
echo " good morning"
}
fi
The above code gives me an error ad below :
./if.h: line 3: ' (7 Replies)
Hi, I hope the title does not scare people to look into this thread but it describes roughly what I'm trying to do. I need a solution in PHP.
I'm a programming beginner, so it might be that the approach to solve this, might be easier to solve with an other approach of someone else, so if you... (0 Replies)
"Both cases have to be true for the expression to evaluate "true". is that not so.
the following code does a read from a txt file, an then suppose to do the deletion ,but although the condition exists, its not performing the deletion
&&
echo "\n\t Deleting printer ${prt} !!!"
if !... (5 Replies)
Hello there,
My first time on the forums, glad to be here :)
I'm completely new to programming in PHP and I have a question which I hope someone could help me with.
I am currently using this statement:
if(($session == 2) && ($item == Dagger) && ($item2 == Dagger)){
... (5 Replies)
Hi, I'm using the && operator in if statement:
if ; then
exp $UID/$PWD@$ORACLE_SID FILE=./DUMP/$TODAY$CONCAT_STR$USERNAME.dmp STATISTICS=NONE LOG=./LOG/$TODAY$CONCAT_STR$USERNAME.log
elif ; then
expdp $UID/$PWD@$ORACLE_SID DIRECTORY=./DUMP/ DUMPFILE=$TODAY$CONCAT_STR$USERNAME.dmp... (8 Replies)
how do you write an if statement for something like
if ((expr 1 >= expr 2 && expr 3 >= expr 4) && expr 5 <= expr 6)
if ((TRUE && TRUE) && TRUE) then
condition...
i've done it this way but it doesn't seem to work.
if (] && "$ex_day" -le "$curr_day" ); then
condition... (3 Replies)
Hi All,
I have a requirement where i need to NDM 3 files from LINUX to Mainframe system & trigger a job in mainframe once the 3 files are transmitted successfully.
I am getting an error message in the && operator (the code component where i am checking whether step 1/2/3 are completed).
... (2 Replies)
Discussion started by: dsfreddie
2 Replies
LEARN ABOUT REDHAT
drop_operator
DROP OPERATOR(7) SQL Commands DROP OPERATOR(7)NAME
DROP OPERATOR - remove a user-defined operator
SYNOPSIS
DROP OPERATOR id ( lefttype | NONE , righttype | NONE ) [ CASCADE | RESTRICT ]
INPUTS
id The identifier (optionally schema-qualified) of an existing operator.
lefttype
The type of the operator's left argument; write NONE if the operator has no left argument.
righttype
The type of the operator's right argument; write NONE if the operator has no right argument.
CASCADE
Automatically drop objects that depend on the operator.
RESTRICT
Refuse to drop the operator if there are any dependent objects. This is the default.
OUTPUTS
DROP OPERATOR
The message returned if the command is successful.
ERROR: RemoveOperator: binary operator 'oper' taking 'lefttype' and 'righttype' does not exist
This message occurs if the specified binary operator does not exist.
ERROR: RemoveOperator: left unary operator 'oper' taking 'lefttype' does not exist
This message occurs if the left unary operator specified does not exist.
ERROR: RemoveOperator: right unary operator 'oper' taking 'righttype' does not exist
This message occurs if the right unary operator specified does not exist.
DESCRIPTION
DROP OPERATOR drops an existing operator from the database. To execute this command you must be the owner of the operator.
The left or right type of a left or right unary operator, respectively, must be specified as NONE.
NOTES
The DROP OPERATOR statement is a PostgreSQL language extension.
Refer to CREATE OPERATOR [create_operator(7)] for information on how to create operators.
USAGE
Remove power operator a^n for int4:
DROP OPERATOR ^ (int4, int4);
Remove left unary negation operator (! b) for boolean:
DROP OPERATOR ! (none, bool);
Remove right unary factorial operator (i !) for int4:
DROP OPERATOR ! (int4, none);
COMPATIBILITY
SQL92
There is no DROP OPERATOR in SQL92.
SQL - Language Statements 2002-11-22 DROP OPERATOR(7)