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Sybase ASA - Identifiers

This article describes identifiers in Sybase ASA.

Identifier Rules

Sybase ASA - Identifier Rules
First Character An alphabetical character, underscore (_), at sign (@), pound sign (#) and dollar sign ($)
Subsequent Characters Alphanumeric characters, underscore (_), dollar sign ($), pound sign (#) and at sign (@)
Maximum Length 128 characters
Case Sensitivity Identifiers are case insensitive
Standards ANSI SQL

Identifiers - Differences between Sybase ASA and other Databases

Database Identifiers First Character Subsequent Characters Max Length
Oracle Oracle Identifiers Not allowed: _ , @ , $ and # Not allowed: @ 30
SQL Server SQL Server Identifiers Not allowed: $ No differences 128
IBM DB2 IBM DB2 Identifiers Not allowed: _ , $, @ and # Not allowed: @, # and $ 128
MySQL MySQL Identifiers Allowed: digit
Not allowed: _, $, @ and #
Not allowed: # and @ 64
PostgreSQL PostgreSQL Identifiers Not allowed: @, $ and # Not allowed: # and @ 63
Sybase ASE Sybase ASE Identifiers Not allowed: $ No differences 255
Informix Informix Identifiers Not allowed: @, # and $ Not allowed: @ and # 128
Teradata Teradata Identifiers Not allowed: @ Not allowed: @ 30
HP Neoview HP Neoview Identifiers Not allowed: _, @, # and $ Not allowed: @, # and $ 128
Interbase/Firebird Interbase/Firebird Identifiers Not allowed: _, @, # and $ Not allowed: # and @ 67

Quoted or Delimited Identifiers

Sybase ASA - Quoted Identifiers
Quotation Marks Double quotation marks (””) and brackets ([])
Characters Any character
Maximum Length 128 characters, not including the quotation marks
Case Sensitivity Case insensitive. For example, “tab 1” and “Tab 1” are considered the same
Notes When QUOTED_IDENTIFIER is set to ON, Sybase ASA follows the SQL-92 rules for the use of double quotation marks (”) and the single quotation mark (') in SQL statements.

Quoted Identifiers - Differences between Sybase ASA and other Databases

Database Identifiers Quotation Marks Characters Case Sensitivity
Oracle Oracle Quoted Identifiers ”” Any except quotes Case sensitive
SQL Server SQL Server Quoted Identifiers [] and ”” Any except quotes Case insensitive
IBM DB2 IBM DB2 Quoted Identifiers ”” Any including quotes Case sensitive
MySQL MySQL Quoted Identifiers `` and ”” Any except quotes Case sensitive
PostgreSQL PostgreSQL Quoted Identifiers ”” Any including quotes Case sensitive
Sybase ASE Sybase ASE Quoted Identifiers [] and ”” Any except pound sign (#) as the first character Case insensitive
Informix Informix Quoted Identifiers ”” Any including quotes Case sensitive
Teradata Teradata Quoted Identifiers ”” Any including quotes Case insensitive
HP Neoview HP Neoview Quoted Identifiers ”” Any except at sign (@), forward slash (/),
circumflex character (^) as the first character
and space(s) as the last character(s)
Case sensitive
Interbase/Firebird Interbase/Firebird Quoted Identifiers ”” Any character except space(s) as the last character(s) Case sensitive


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sqlways/sybase/asa-identifiers.txt · Last modified: March 20, 2013, 04:11:59 AM (external edit)
 
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