Error in sql devloper : create table Blog
(
blog_id NUMBER(8,0),
blog_name VARCHAR2(255) not null,
status VARCHAR2(50) DEFAULT 'PENDING',
create_date DATE default sysDate,
description CLOB not null,
no_of_likes NUMBER(5),
no_of comments NUMBER(5),
no_of_views NUMBER(5),
user_id NUMBER(8,0),

CONSTRAINT pk_blog_blog_id PRIMARY KEY (blog_id),
CONSTRAINT fk_blog_user_id FOREIGN KEY (user_id) REFERENCES USER_DETAILS (user_id)
);

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Error starting at line : 1 in command -
create table Blog
(
blog_id NUMBER(8,0),
blog_name VARCHAR2(255) not null,
status VARCHAR2(50) DEFAULT 'PENDING',
create_date DATE default sysDate,
description CLOB not null,
no_of_likes NUMBER(5),
no_of comments NUMBER(5),
no_of_views NUMBER(5),
user_id NUMBER(8,0),

CONSTRAINT pk_blog_blog_id PRIMARY KEY (blog_id),
CONSTRAINT fk_blog_user_id FOREIGN KEY (user_id) REFERENCES USER_DETAILS (user_id)
)
Error report -
ORA-00907: missing right parenthesis
00907. 00000 -  "missing right parenthesis"
*Cause:    
*Action:
