NULL

Constraints (MySql,tables,null,PK,FK etc)

Hi all(waves) noob here ( :) ) ( yes you might look down upon me) ( :( ) never the less....:)  Quick question: Tables made so far: department values (depno,dname) course values values (courseno) How would I create a table eg "Table budgets"...with values of two budgets (£100 and £200) for...

Eliminating Nulls in tSQL

If I want to return null values in a query that has "Where Field1<>'test' is there an option I can turn on? Example: CREATE TABLE myTable(Field1 varchar(25)) GO INSERT INTO myTable VALUES ('test') INSERT INTO myTable VALUES('test2') INSERT INTO myTable VALUES(null) GO Select * From...

empty fields in a query

I have a column with answers that people responded to different questions about themseleves. I have another column with the question id that the answer corresponds to. i want to display the answers in separate columns based on which question it corresponds to. Each column should be filled with the...

Null Expressions

I am sure this is simple, I just need to know what the expressions is if you have fields in lets say a report that are : some empty and some with information...such as Telephone Field. I want to show only those "telephone" that are actually in the field. Example John Doe 555-555-5555 430 Cow...

PL/SQL: How to check address NOT NULL but can take -(hyphen) instead being NULL

Hi Experts, How can we make a check on an attribute not null but can take - rather I have address 3 which can't take null instead - would be fine how this can be check n PL/SQL procedure I can check IF address 3 IS NULL THEN ... END IF But i want to test with test case tat it can't take...

PL/SQL - Attribute to test not null and can take specific value instead

Hi Experts, How can we make a check on an attribute not null but can take - rather I have address 3 which can't take null instead - would be fine how this can be check n PL/SQL procedure

Records with null value not in output

See query: select distinct f2.description Business_Unit, f3.description Department, f4.description Function, a.segment5 Account, f5.description Account_Description, sum(nvl(d.entered_dr,0) - nvl(d.entered_cr,0)) Actual, (Select...

Excel 2003 Cell has formula but empty Value or text

Hya I have a formula into Excel worksheet cell this value comes from out side Excel. sometimes there is a number and sometimes it contains nothing. I have used isblank isempty when the cell is empty and they return true (due to the formula inside the cell) do u thing i can chek if the cell is...