Search results
I'd like to write a SELECT statement that uses just one test to return columns with no value (null, empty, or all spaces). I thought this would work: SELECT column_name from table_name WHERE column_name NOT LIKE '%_%';
7 gru 2023 · You can use a case expression like this: The database processes the expression from top-to-bottom. It returns the value for the first when clause that is true. If none are true (the percentage is less than 50 or null), it returns the value in the else clause which is F.
3 paź 2020 · The RAISE statement raises an exception, stopping the current block from continuing. It also sets the current error code and error message. This error message—such as “ORA-06502: PL/SQL: numeric or value error”—is supplied by Oracle Database and is usually generic.
You can use IIf anywhere you can use expressions. You use IIf to determine if another expression is true or false. If the expression is true, IIf returns one value; if it is false, IIf returns another. You specify the values IIf returns. See some examples.
Syntax for SQL Condition Types. A condition specifies a combination of one or more expressions and logical (Boolean) operators and returns a value of TRUE, FALSE, or unknown. Conditions have several forms. The sections that follow show the syntax for each form of condition. Refer to Subclauses for the syntax of the subclauses. where !=, ^=, and ...
Some SQL query functions and conditions for JSON data accept an optional error clause, which specifies handling for a runtime error that is raised by the function or ...
I run this script first: ===== DROP TABLE m1_msisdns_ext; DROP TABLE m1_msisdns_int; DROP TABLE unmatched_msisdns; CREATE OR REPLACE DIRECTORY data_dir AS '/home/oracle'; CREATE TABLE m1_msisdns_ext (msisdn varchar2(18)) ORGANIZATION EXTERNAL (TYPE oracle_loader DEFAULT DIRECTORY data_dir ACCESS PARAMETERS (RECORDS DELIMITED BY NEWLINE fields ...
