Help forced

Hello

Looking for your help. What I'm doing wrong here? Basically, I would like to create a constraint (when you create a table) that checks to make sure that 'Year' is entered is less than or equal to the current year (based on SYSDATE).

With the following code, I get the same error, "lack the right parenthesis. I spent over an hour trying different ways to make it work, but I've been fails miserably.

I'm using Oracle 11 g Express.

Any help would be greatly appreciated. Thank you.

CREATE TABLE TEST

(Name VARCHAR2 (7) PRIMARY KEY,)

Year number 4.

CONSTRAINT TEST_YEAR_CK CHECK (year < = DOUBLE (TO_NUMBER (TO_CHAR (SYSDATE, 'YYYY'))));

*

ERROR on line 4:

ORA-00907: lack of right parenthesis

Hello

a35c130d-ca92-46ca-8177-8a8b5ee02876 wrote:

Hmmmm. I tried that as well. Still not the same error (see below):

SQL > CREATE TABLE TEST

2 (name VARCHAR2 PRIMARY KEY (7),)

3 years number 4.

4 CONSTRAINT TEST_YEAR_CK CHECK (year<=>

CONSTRAINT TEST_YEAR_CK CHECK (year<=>

*

ERROR on line 4:

ORA-00907: lack of right parenthesis

Now you are actually missing a closing parenthesis.  The left parenthesis at the beginning of line 2 is not a right parenthesis.

It allows to indent your code, so that the things that need to occur in pairs (as in parentheses), if they are separated by a large amount of code, occur one right above the other, with only white space between them, like this:

CREATE TABLE test

(Name VARCHAR2 (7) PRIMARY KEY,

Year NUMBER (4).

CONSTRAINT Test_Year_2013_CK CHECK (year<=>

);

Tags: Database

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