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OpenEdge SQL Reference

Expressions syntax in BNF

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  • SQL Reference
    • OpenEdge SQL statements
      • ALTER DATABASE SET PRO_ENABLE_LARGE_KEYS
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        • Altering partitioned tables without partition schema definition
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      • CREATE SYNONYM
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      • CREATE TENANT
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      • CREATE TRIGGER
        • Authorization
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      • CREATE USER
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      • CREATE VIEW
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      • DELETE
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      • DISCONNECT CATALOG
        • Authorization
        • SQL Compliance
        • Related statements
      • DROP DOMAIN
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      • DROP GROUP
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        • Related statements
      • DROP INDEX
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        • 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
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        • Related statement
      • DROP USER
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        • Related statements
      • DROP VIEW
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        • Related statement
      • GRANT
        • Authorization
        • Related statement
      • INSERT
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        • Related statement
      • LOCK TABLE
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      • REVOKE
        • Syntax to revoke privileges on specific tables and views
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      • SELECT
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        • GROUP BY clause
          • Grouping by column
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        • ORDER BY clause
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        • WITH clause
        • FOR UPDATE clause
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      • SET CATALOG
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      • SET DATABASE DEFAULT AREA
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        • Related Statement
      • SET SCHEMA
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      • SET TRANSACTION ISOLATION LEVEL
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      • SHOW CATALOGS
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      • SHOW DATABASE DEFAULT AREA
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      • SHOW PARTITION
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      • SHOW TENANT
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      • SHOW ENCRYPT ON
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      • ABS
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      • INSTR
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      • NULLIF
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      • SYSTSTZSTAT
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      • SYS_CHKCOL_USAGE
      • SYS_CHK_CONSTRS
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    • OpenEdge SQL language elements
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          • Numeric arithmetic expressions
          • Date arithmetic expressions
    • Data type compatibility
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    • OpenEdge SQL elements and statements in Backus Naur Form
      • Data Type
        • Character data type
        • Exact numeric data type
        • Approximate numeric data type
        • Date-time data type
        • Bit string data type
      • Expressions syntax in BNF
        • Expression (expr)
          • Numeric arithmetic expression
          • Date arithmetic expression
        • Conditional expression
          • Case expression
          • Searched case expression
          • Simple case expression
      • Literals syntax in BNF
        • Date literal
        • Time literal
        • Timestamp literal
        • Timestamp with time zone literal
      • Query Expressions syntax in BNF
        • Query expression
          • Set operator
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          • Table reference
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          • From clause inner join
          • Where clause inner join
          • From clause outer join
          • Where clause outer join
      • Search conditions syntax in BNF
        • Search condition
          • Predicate
          • Relational operator
          • Basic predicate
          • Quantified predicate
          • Between predicate
          • Null predicate
          • Like predicate
          • Exists predicate
          • In predicate
          • Outer join predicate
      • Statements, DDL and DML syntax in BNF
        • ALTER USER
        • CALL
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        • CREATE INDEX
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        • SET SCHEMA
        • UPDATE
          • Assignment clause
        • UPDATE STATISTICS
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      • Scalar functions
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    • Syntax for ABL attributes
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  • JDBC Reference
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          • Returns
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        • DhSQLResultSet.set
          • Format
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      • SQLCursor
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        • SQLCursor.close
          • Format
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        • SQLCursor.fetch
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        • SQLCursor.found
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          • Returns
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        • SQLCursor.getParam
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        • SQLCursor.getValue
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          • Parameter
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        • SQLCursor.open
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        • SQLCursor.registerOutParam
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          • Throws
        • SQLCursor.rowCount
          • Format
          • Returns
          • Parameters
          • Throws
        • SQLCursor.setParam
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          • Returns
          • Parameters
          • Throws
        • SQLCursor.wasNULL
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          • Returns
          • Parameter
          • Throws
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          • Throws
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          • Parameter
          • Throws
        • SQLIStatement.rowCount
          • Format
          • Returns
          • Parameters
          • Throws
        • SQLIStatement.setParam
          • Format
          • Returns
          • Parameters
          • Throws
      • SQLPStatement
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        • Throws
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          • Returns
          • Parameters
          • Throws
        • SQLPStatement.makeNULL
          • Format
          • Returns
          • Parameter
          • Throws
        • SQLPStatement.rowCount
          • Format
          • Returns
          • Parameters
          • Throws
        • SQLPStatement.setParam
          • Format
          • Returns
          • Parameters
          • Throws
    • JDBC conformance notes
      • Supported data types
      • Return values for DatabaseMetaData
  • ODBC Reference
    • OpenEdge SQL and ODBC data types
    • SQLGetInfo
    • ODBC scalar functions
      • Scalar functions
        • String functions
        • Numeric functions
        • Date and time functions
      • System functions
  • ESQL Reference
    • Embedded SQL
      • ESQL elements and statements
        • BEGIN-END DECLARE SECTION
          • Authorization
          • Related statement
        • CLOSE
          • Authorization
          • Related statements
        • CONNECT
          • Authorization
          • Related statements
        • DECLARE CURSOR
          • Authorization
          • Related statements
        • 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

Expressions syntax in BNF

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  • Last Updated: October 9, 2024
  • 1 minute read
    • OpenEdge
    • Version 12.8
    • Documentation

Expressions syntax in BNF

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

Contents
  • Expression (expr)
  • Conditional expression
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