Oracle to Sybase ASE Migration Guide

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ORACLE TO SYBASE ASE MIGRATION GUIDERev.1.33.3 Oracle checklist: category "Partial Rewrite"For the Oracle features listed below, migration to partly equivalent Sybase ASE features is possible, although potentiallysignificant syntax changes and possibly partial rewriting of algorithms may be required.#cases foundOracle checklist: category "Partial Rewrite"Database linksExternal tablesSequencesTable-valued User-defined SQL FunctionsPipelined Table FunctionsSynonymsComments on database objectsBitmap indexesTemporary tablesIS TABLE OF, AS VARRAY(n)OFNested tablesObject tables%ROWTYPEDefine a PL/SQL record type by enumerating the fields with IS RECORD OF or TYPE…ISRECORDNon-integer RETURN value in stored procedureUser-defined PackagesOverloaded stored proceduresPL/SQL Exception handling; defining exception handlersSQLCODE, SQLERRMRAISE_APPLICATION_ERRORColumn EncryptionLOB locatorsPre-migration complexity assessment 12
ORACLE TO SYBASE ASE MIGRATION GUIDERev.1.3#cases foundOracle checklist: category "Partial Rewrite"Data compressionRetrieving data to the client in stored procedures usingDBMS_OUTPUT packageDBMS_*, UTL_* package calls (excl. DBMS_OUTPUT)SDO_* package callsSQL*Loader (sqlldr)Materialized ViewsGlobal variables (in a PL/SQL package)INTERSECT constructMINUS constructSpecific SQL clausesAS OFAS OF TIMESTAMPCONNECT BYDIMENSIONDIMENSION BYEXCLUDEGROUPING SETSINCLUDEMEASURESRETURN ALL ROWSRETURN UPDATED ROWSPARTITION BYREFERENCESYSTIMESTAMPCROSSCUBEFORKEEPMAINMODELNAVNOCYCLENOWAITONONLYRULESSAMPLESEEDSKIPIGNOREITERATENATURALNULLSNULLS FIRSTNULLS LASTROLLUPSIBLINGSSINGLEREFERENCELOCKEDSTART WITHUNIQUEUNPIVOTWAITINITCAP( string-expression )INSTR() function with three or four parametersNVL2() functionDECODE() functionPrimary key and foreign key with different datatypes, different precision/scale (for numericdatatypes) or different length (for character datatypes)Cluster (as created with CREATE CLUSTER)Pre-migration complexity assessment 13
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Oracle to Sybase ASE Migration Guide

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