sql - ORA-00904: invalid identifier - Stack Overflow I was doing an Oracle database link exercise mixed with join queries and this was exactly my problem I was getting ORA-00904: "A" "NOMBRE": invalid identifier errors and such, and the problem was solved adding double quotes in the column names where the errors popped –
ORA-32795: cannot insert into a generated always identity column Guys I am trying to execute below insert statement and I keep getting the error: cannot insert into a generated always identity column the statement is : INSERT INTO leaves_approval SELECT * F
ORA-06502: PL SQL: numeric or value error: character string buffer too . . . ORA-06502: PL SQL: numeric or value error: character string buffer too small ORA-06512: at line 13 06502 00000 - "PL SQL: numeric or value error%s" FIXED by changing how I declared the variable "a" to: a varchar2(2000); *Notice that here, the significant change is to use VARCHAR2 instead of CHAR (not the bigger length)
SQL Error: ORA-00942 table or view does not exist The result will be "ORA-00942: table or view does not exist" even though user2 does have insert and select privileges on user1 customer table and is correctly prefixing the table with the schema owner name To avoid the problem, you must grant select privilege on the sequence: