ASE15 New Features – II : DBA Perspective
In 2009 , I posted ASE 15 New Features -1 , Now recently ASE has released ASE15.7 ESD-2 and these are new features in recent versions;
Happy Reading and Enjoy !
ASE 15.7 ESD#2 New Features
• Automatic compressed Share Memory dump
• In-Row Large Object Compression
• create database Asynchronously
• Shared Query Plans
• User-Defined Optimization Goal
• Expanded Maximum Database Size
• alter table drop column without datacopy
• Enhancements to dump and load : Dump Configuration, History.
• Hash-Based Update Statistics
• Concurrent dump database and dump transaction Commands
• Fast-Logged Bulk Copy
• Enhancements to show_cached_plan_in_xml
• Merging, Splitting & Moving Partitions
• Non blocking Reorg
• Deferred Table Creation
• Granular Permissions & Predicate Priviliages
ASE 15.7 New Features
• Application Functionality Configuration Group
• ASE Thread-Based Kernel: The ASE kernel us now thread-based instead or process-based
• Data Compression : Use less storage space for the same amount of data, reduce cache memory consumption and improve performance because of lower I/O demands
• New Security Features: End-to-end CIS Kerberos authentication, dual control of encryption keys and unattended startup, secure logins, roles and password management and login profiles
• Abstract Plans in Cached Statements: Abstract plan information can be saved in statement cache
• Shrink Log Space: Allows you to shrink the log space and free storage without re-creating the database using the alter database command to remove unwanted portions of a database log
• Display Currently Set Switches: Allows visibility of all traceflags at the server and session level
• Changes for Large Objects: Includes storing in-row LOB columns for small text, image and unitext datatypes, storing declared SQL statements containing LOBs, indirectly referencing a LOB in T-SQL statements, and allows checking for null values of large objects
• Showing Cached Plans in XML: Allows showplan output in XML for a statement in cache
• Padding a Character Field Using str: Fields can be padded with a specified character or numeric
• Changes to select for update: Allows select for update command to exclusively lock rows for subsequent updates within the same transactio and for updatable cursors
• Creation of non-materialized, non-NULL columns
• Sharing Inline Defaults: Allows sharing inline defaults between different tables in the same db
• Monitoring data is retained to improve query performance
• Dynamic parameters can be analyzed before running a query to avoid inefficient query plans
• Monitor Lock Timeouts
• Enable and disable truncation of trailing zeros from varbinary and binary null data
• Full Recoverable DDL: Use dump transaction to fully recover the operations that earlier versions of Adaptive Server minimally logged
• Transfer Rows from Source to Target Table Using merge.
• View Statistics and Histograms with sp_showoptstats: Allow you to extract and display, in an XML document, statistics and histograms for various types of data objects from system tables
• Changes to Cursors: Changes to how cursors lock, manage trnasactions and are declared
• Nested select Statement Enhancements: Expands the abilities of the asterisk (*)
• Some system procedures can run in sessions that use chained transaction mode
• Expanded Variable-Length Rows: Redefines data-only locked (DOL) columns to use a row offset of upto 32767 bytes. Requires a logical page size of 16K to create wide, variable-length DOL rows.
• Like Pattern Matching: Treat square brackets individually in the like pattern-matching algorithm
• Quoted Identifiers: Use quoted identifiers for tables, views, column names, index names and system procedure parameters
• Allow Unicode Noncharacters: Enable permissive unicode configuration parameter, which is a member of enable functionality group, allows you to ignore Unicode noncharacters
• Reduce Query Processing Latency: Enables multiple client connections to reuse or share dynamic SQL lightweight procedures (LWPs)
• The sybdiag Utility: A new Java-based tool that collects comprehensive ASE configuraiton and environment data for use by Sybase Technical Support
• The optimizer Diagnostic Utility: Adds the sp_opt_querystats system procedure, which allows you to analyze the query plan generated by the optimizer and the factors that influenced its choice of a query plan
ASE 15.5 New Features
• In-memory databases provide improved performance by operating entirely in-memory and not reading/writing transactions to disk.
• Relaxed-durability for disk-resident databases delivers enhanced performance by eliminating committed transactions.
• “dump database” and “load database” functionality is provided for both in-memory and relaxed-durability databases.
• Faster compression for backups is provided by two new compression options (level 100 and 101).
• Backup Server support is now available for IBM’s Tivoli Storage Manager.
• Deferred name resolution allows the creation of stored procedures before the referenced objects are created in the database.
• FIPS 140-2 encryption is now provided for login passwords that are transmitted, stored in memory or stored on disk.
• Incremental Data Transfer allows exporting specific rows, based on either updates since the last transfer or by selected rows for an output file, and does so without blocking ongoing reads and updates.
• The new bigdatetime and bigtime datatypes provide microsecond level precision.
• You can now create and manage user-created tempdb groups, in addition to the default tempdb group.
• The new monTableTransfer table provides historical transfer information for tables.
• The new system table, spt_TableTransfer, stores results from table transfers.
• The sysdevices table has been modified to list the in-memory storage cache under the “name” and “phyname” columns.
• Auditing options have been added to support in-memory and relaxed-durability databases, incremental data transfer, and deferred name resolution.
ASE15 New Features – I : http://sybaseblog.com/2009/12/17/sybase-ase15-new_features/Check the Sybase Wiki @ sybasewiki.com