How to write a case in Oracle SQL?
The CASE statement always goes in the SELECT clause. CASE must include the following components: WHEN , THEN , and END . ELSE is an optional component. You can make any conditional statement using any conditional operator (like WHERE ) between WHEN and THEN . Lees verder »
How to write a case in SQL Oracle?
Your SQL statement would look as follows: SELECT table_name, CASE owner WHEN 'SYS' THEN 'The owner is SYS' WHEN 'SYSTEM' THEN 'The owner is SYSTEM' END FROM all_tables; With the ELSE clause omitted, if no condition was found to be true, the CASE statement would return NULL. Lees verder »
How to put a case in a SQL query?
The CASE statement always goes in the SELECT clause. CASE must include the following components: WHEN , THEN , and END . ELSE is an optional component. You can make any conditional statement using any conditional operator (like WHERE ) between WHEN and THEN . Lees verder »
Does case work in Oracle?
The CASE SQL expression is part of the ISO/ANSI SQL-92 standard. This means that most database technologies support it, including MySQL, PostgreSQL, SQL Server, and Oracle. Lees verder »
How to write if condition in Oracle SQL query?
The syntax for IF-THEN-ELSE in Oracle/PLSQL is: IF condition THEN {... statements to execute when condition is TRUE...} ELSE {... statements to execute when condition is FALSE...} Lees verder »
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