Introduction to programming in SQL, einreihig functions, please help
Hello
I'm taking my first class of SQL programming, and I have no experience with SQL. Some of the exercise questions give me wrong, so I was hoping that someone would be kind enough to help.
I'm supposed to write a query that displays the name of the family (with the first letter capitalized and all other letters lowercase) and the length of the name of everyone whose name begins with the letters J, or M.
The second part, where I include employees whose name begins with J, A, or M, gives me fits. I can query an initial one at a time, but I was not able to interview several initials.
That's what I have so far:
SELECT INITCAP (last_name), 'Name', LENGTH (last_name) "length".
Employees
WHERE last_name LIKE'm %';
But, when I try to ask for M, and J I get errors.
For example:
SELECT...
Of...
WHERE last_name LIKE am %A %%J ';
I have tried so many combinations, it's driving me crazy.
Help, please?
Thank you very much!
Please be kind, this is my first post.
Hello
Welcome to the forum!
In the WHERE clause, you can have a State composed, i.e. 2 or more simple conditions combined by using GOLD or et. In this case:
WHERE last_name LIKE'm %'
OR last_name LIKE 'a % '.
OR last_name LIKE 'J % '.
The WHERE clause as a whole is regarded as TRUE 1 if all the pieces of GOLD-bounded is TRUE,
It's just one of the many ways to get the desired results. The that I would probably use for this task is
WHERE SUBSTR (last_name, 1, 1) IN (', 'A', 'J')
Tags: Database
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Published by: devarade on January 19, 2010 20:01
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must be:
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CALL package_variables.get () IN: results
Error report:
SQL error: ORA-01008: not all variables
01008 00000 - "not all variables.
* Cause:
* Action:
RESULTS
--------------------------------
1 selected lines
anonymous block filled
Error at startup on line 2 of the command:
CALL package_variables.get () IN: results
Error report:
SQL error: ORA-01008: not all variables
01008 00000 - "not all variables.
* Cause:
* Action:
RESULTS
--------------------------------
1 selected lines
*/The package name is package_variables (note the 's'. Plural.) But using package_variable (in the singular) in your call.
Also select in as a SQL statement seems to be not valid. You encapsulate a begin - end around her block.SQL> begin 2 select package_variables.get into :outcome from dual; 3 end; 4 / PL/SQL procedure successfully completed outcome --------- Initial Value
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