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OpenEdge SQL Reference

Conditional expression

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  • SQL Reference
    • OpenEdge SQL statements
      • ALTER DATABASE SET PRO_ENABLE_LARGE_KEYS
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      • AUDIT INSERT
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      • CREATE TABLE
        • Authorization
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      • CREATE TENANT
        • Authorization
        • Related Statement
      • CREATE TRIGGER
        • Authorization
        • Related statement
      • CREATE USER
        • Authorization
        • Related statements
      • CREATE VIEW
        • Authorization
        • Related statements
      • DELETE
        • Authorization
        • Related statements
      • DISCONNECT CATALOG
        • Authorization
        • SQL Compliance
        • Related statements
      • DROP DOMAIN
        • Authorization
        • Related Statement
      • DROP GROUP
        • Authorization
        • Related statements
      • DROP INDEX
        • Authorization
        • Related statement
      • DROP PROCEDURE
        • Authorization
        • Related statement
      • DROP SEQUENCE
        • Authorization
        • Related Statement
      • DROP SYNONYM
        • Authorization
        • Related statement
      • DROP TABLE
        • Authorization
        • Related statement
      • DROP TENANT
        • Authorization
        • Related Statement
      • DROP TRIGGER
        • Authorization
        • Related statement
      • DROP USER
        • Authorization
        • Related statements
      • DROP VIEW
        • Authorization
        • Related statement
      • GRANT
        • Authorization
        • Related statement
      • INSERT
        • Authorization
        • Related statement
      • LOCK TABLE
        • Authorization
        • Related statements
      • REVOKE
        • Syntax to revoke privileges on specific tables and views
        • Authorization
        • Related statement
      • ROLLBACK
        • Authorization
        • Related statements
      • SELECT
        • COLUMN_LIST clause
        • TOP clause
        • FROM clause
        • WHERE clause
        • GROUP BY clause
          • Grouping by column
          • Grouping by alias
          • Grouping by expression
        • HAVING clause
        • ORDER BY clause
        • OFFSET and FETCH clauses
        • WITH clause
        • FOR UPDATE clause
        • Authorization
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      • SET CATALOG
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      • SET DATABASE DEFAULT AREA
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      • SET ROWCOUNT
        • Related Statement
      • SET SCHEMA
        • Authorization
      • SET TRANSACTION ISOLATION LEVEL
        • Authorization
        • Related statements
      • SHOW CATALOGS
        • Authorization
        • SQL Compliance
        • Related statements
      • SHOW DATABASE DEFAULT AREA
      • SHOW GROUP
        • Authorization
        • Related Statement
      • SHOW PARTITION
        • Authorization
      • SHOW ROWCOUNT
        • Related Statement
      • SHOW TENANT
        • Authorization
        • Related Statement
      • SHOW ENCRYPT ON
        • Authorization
        • SQL Compliance
        • Related statements
      • SHOW COLUMN STATISTICS CIPHER
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      • UPDATE
        • Authorization
        • Related statements
      • UPDATE STATISTICS
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      • INITCAP
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      • INSTR
      • ISOWEEKDAY
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      • LEFT
      • LENGTH
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      • LTRIM
      • MAX
      • MIN
      • MINUTE
      • MOD
      • MONTH
      • MONTHNAME
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      • NEXTVAL
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      • NULLIF
      • NVL
      • PI
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      • QUARTER
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      • SYSDATE
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      • SYSTSTZSTAT
      • SYSNVARCHARSTAT
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          • Numeric arithmetic expressions
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    • Data type compatibility
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    • OpenEdge SQL elements and statements in Backus Naur Form
      • Data Type
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        • Exact numeric data type
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        • Date-time data type
        • Bit string data type
      • Expressions syntax in BNF
        • Expression (expr)
          • Numeric arithmetic expression
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        • Conditional expression
          • Case expression
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      • Literals syntax in BNF
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      • Search conditions syntax in BNF
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          • In predicate
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      • Statements, DDL and DML syntax in BNF
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  • JDBC Reference
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        • DhSQLResultSet.insert
          • Format
          • Returns
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        • DhSQLResultSet.makeNULL
          • Format
          • Returns
          • Parameter
          • Throws
        • DhSQLResultSet.set
          • Format
          • Returns
          • Parameters
          • Throws
      • SQLCursor
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        • SQLCursor.close
          • Format
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        • SQLCursor.fetch
          • Format
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          • Throws
        • SQLCursor.found
          • Format
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        • SQLCursor.getParam
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        • SQLCursor.getValue
          • Format
          • Returns
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          • Throws
        • SQLCursor.makeNULL
          • Format
          • Returns
          • Parameter
          • Throws
        • SQLCursor.open
          • Format
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          • Parameters
          • Throws
        • SQLCursor.registerOutParam
          • Format
          • Returns
          • Parameters
          • Throws
        • SQLCursor.rowCount
          • Format
          • Returns
          • Parameters
          • Throws
        • SQLCursor.setParam
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          • Returns
          • Parameters
          • Throws
        • SQLCursor.wasNULL
          • Format
          • Returns
          • Parameter
          • Throws
      • SQLIStatement
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        • SQLIStatement.execute
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          • Throws
        • SQLIStatement.makeNULL
          • Format
          • Returns
          • Parameter
          • Throws
        • SQLIStatement.rowCount
          • Format
          • Returns
          • Parameters
          • Throws
        • SQLIStatement.setParam
          • Format
          • Returns
          • Parameters
          • Throws
      • SQLPStatement
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        • Parameter
        • Throws
        • SQLPStatement.execute
          • Format
          • Returns
          • Parameters
          • Throws
        • SQLPStatement.makeNULL
          • Format
          • Returns
          • Parameter
          • Throws
        • SQLPStatement.rowCount
          • Format
          • Returns
          • Parameters
          • Throws
        • SQLPStatement.setParam
          • Format
          • Returns
          • Parameters
          • Throws
    • JDBC conformance notes
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      • Return values for DatabaseMetaData
  • ODBC Reference
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    • ODBC scalar functions
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        • Numeric functions
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      • System functions
  • ESQL Reference
    • Embedded SQL
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        • BEGIN-END DECLARE SECTION
          • Authorization
          • Related statement
        • CLOSE
          • Authorization
          • Related statements
        • CONNECT
          • Authorization
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        • DECLARE CURSOR
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        • DESCRIBE
        • DESCRIBE BIND VARIABLES
          • Authorization
          • Related statements
        • DESCRIBE SELECT LIST
          • Authorization
          • Related statements
        • DISCONNECT
          • Authorization
          • Related statements
        • EXEC SQL delimiter
          • Authorization
        • EXECUTE
          • Related statements
        • EXECUTE IMMEDIATE
          • Related statement
        • FETCH
          • Authorization
          • Related statements
        • GET DIAGNOSTICS
          • Related statements
        • GET DIAGNOSTICS EXCEPTION
          • Related statements
        • OPEN
          • Authorization
          • Related statements
        • PREPARE
          • Authorization
          • Related statements
        • SET CONNECTION
          • Authorization
          • Related statements
        • WHENEVER
          • Authorization
          • Related statements
      • ESQL elements and statements in Backus Naur Form (BNF)
        • BEGIN-END DECLARE SECTION
        • Host Language Type
        • CLOSE
        • CONNECT
        • CONNECT STRING
        • DECLARE CURSOR
        • DESCRIBE BIND VARIABLES
        • DESCRIBE SELECT LIST
        • DISCONNECT
        • EXEC SQL
        • EXECUTE
        • EXECUTE IMMEDIATE
        • FETCH
        • GET DIAGNOSTICS
        • Header Info Item
        • GET DIAGNOSTICS EXCEPTION
        • Detail Info Item
        • OPEN
        • PREPARE
        • SET CONNECTION
        • SET TRANSACTION ISOLATION LEVEL
        • ISOLATION LEVEL NAME
        • WHENEVER
      • Compliance with industry standards
Table of Contents

Conditional expression

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  • Last Updated: October 16, 2024
  • 1 minute read
    • OpenEdge
    • Version 13.0
    • Documentation

Conditional expression

This section lists syntax for conditional expressions in Backus-Naur Form (BNF).

Contents
  • Case expression
  • Searched case expression
  • Simple case expression
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