How to upgrade oracle database from version 9.2.0.8 to 11.2.0.2
... (to recompile any remaining stored PL/SQL and Java code) SQL> @utlrp.sql DOC> The following query reports the number of errors caught during DOC> recompilation. If this number is non-zero, please query the error DOC> messages in the table UTL_RECOMP_ERRORS to see if any of these errors DOC> are due ...
... (to recompile any remaining stored PL/SQL and Java code) SQL> @utlrp.sql DOC> The following query reports the number of errors caught during DOC> recompilation. If this number is non-zero, please query the error DOC> messages in the table UTL_RECOMP_ERRORS to see if any of these errors DOC> are due ...
Security and Backups
... • Pages for Oracle Database 10g installation: – Specify Database Configuration Options – Select Database Management Option – Specify Database File Storage Option – Specify Backup and Recovery Options – Specify Database Schema Passwords ...
... • Pages for Oracle Database 10g installation: – Specify Database Configuration Options – Select Database Management Option – Specify Database File Storage Option – Specify Backup and Recovery Options – Specify Database Schema Passwords ...
Cost Based Optimizer (CBO) and Database Statistics
... STATS_TABLE, which is owned by DBASCHEMA: SQL> EXEC DBMS_STATS.create_stat_table('DBASCHEMA','STATS_TABLE'); SQL> EXEC DBMS_STATS.export_schema_stats('APPSCHEMA','STATS_TABLE',NULL,'DBASCHEMA'); This table can then be transfered to another server using your preferred method (Export/Import, SQLPlus C ...
... STATS_TABLE, which is owned by DBASCHEMA: SQL> EXEC DBMS_STATS.create_stat_table('DBASCHEMA','STATS_TABLE'); SQL> EXEC DBMS_STATS.export_schema_stats('APPSCHEMA','STATS_TABLE',NULL,'DBASCHEMA'); This table can then be transfered to another server using your preferred method (Export/Import, SQLPlus C ...
Oracle Interview Questions : The Interviewer`s Prespective
... Pretty soon thereafter I figured out that it was a pointless conversation to continue, although I did love the way he summarized dozens of very different positions into that one term: "Oracle Guy." Nevertheless, it got me thinking. What makes for a good technical question? I have conducted, or been ...
... Pretty soon thereafter I figured out that it was a pointless conversation to continue, although I did love the way he summarized dozens of very different positions into that one term: "Oracle Guy." Nevertheless, it got me thinking. What makes for a good technical question? I have conducted, or been ...
Working with DB2 UDB objects
... • Decimal: DECIMAL is used to store numbers which fractional parts. To define this data type, you must specify a precision (p), which indicates the total number of digits, and a scale (s), which indicates the number of digits to the right of the decimal place. A column defined by DECIMAL(10,2) that ...
... • Decimal: DECIMAL is used to store numbers which fractional parts. To define this data type, you must specify a precision (p), which indicates the total number of digits, and a scale (s), which indicates the number of digits to the right of the decimal place. A column defined by DECIMAL(10,2) that ...
Retrieving Data Using the SQL SELECT Statement
... required if you execute multiple SQL statements. • In SQL*Plus, you are required to end each SQL statement with a semicolon (;). ...
... required if you execute multiple SQL statements. • In SQL*Plus, you are required to end each SQL statement with a semicolon (;). ...
CH10
... the tables. To do that, you can use a JOIN clause. Most of the time, you’ll want to code an inner join so that rows are only included when the key of a row in the first table matches the key of a row in the second table. In a left outer join, the data for all of the rows in the first table (the ...
... the tables. To do that, you can use a JOIN clause. Most of the time, you’ll want to code an inner join so that rows are only included when the key of a row in the first table matches the key of a row in the second table. In a left outer join, the data for all of the rows in the first table (the ...
- Courses - University of California, Berkeley
... • Involve large repositories of information (storage, preservation, and access) • Provide information organization and retrieval facilities (categorization, indexing) • Provide access for communities of users (communities may be as large as the general public or small as the employees of a particula ...
... • Involve large repositories of information (storage, preservation, and access) • Provide information organization and retrieval facilities (categorization, indexing) • Provide access for communities of users (communities may be as large as the general public or small as the employees of a particula ...
Materialized Views
... • One way to do this is through indexes on columns of the MV log table. In particular, consider indexing the primarykey column and the SNAPTIME$$ column. • Oracle potentially uses two columns in WHERE clauses when refreshing an MV or purging the MV log. Here are examples of creating indexes on MV lo ...
... • One way to do this is through indexes on columns of the MV log table. In particular, consider indexing the primarykey column and the SNAPTIME$$ column. • Oracle potentially uses two columns in WHERE clauses when refreshing an MV or purging the MV log. Here are examples of creating indexes on MV lo ...
Database Security
... statements. Other transactions that were waiting for the previously locked resources can proceed. Other transactions that want to update previously locked rows can do so. When a transaction is rolled back to a savepoint, the following occurs: 1. Oracle rolls back only the statements run after the sa ...
... statements. Other transactions that were waiting for the previously locked resources can proceed. Other transactions that want to update previously locked rows can do so. When a transaction is rolled back to a savepoint, the following occurs: 1. Oracle rolls back only the statements run after the sa ...
Structured Query Language
... visually observe and analyze query plans and optimize the database performance, among others. SQL Server Management Studio can also be used to create a new database, alter any existing database schema by adding or modifying tables and indexes, or analyze performance. It includes the query windows ...
... visually observe and analyze query plans and optimize the database performance, among others. SQL Server Management Studio can also be used to create a new database, alter any existing database schema by adding or modifying tables and indexes, or analyze performance. It includes the query windows ...
ch5
... The predicate P(t) will contain: Attribute, tuple and relation variables and constants ...
... The predicate P(t) will contain: Attribute, tuple and relation variables and constants ...
Coordination Avoidance in Database Systems
... coordination-free execution of transactions of varying size writing to eight items located on eight separate multi-core servers. Quantifying coordination overheads. To further understand the costs of coordination, we performed two sets of measurements—one using a database prototype and one using tra ...
... coordination-free execution of transactions of varying size writing to eight items located on eight separate multi-core servers. Quantifying coordination overheads. To further understand the costs of coordination, we performed two sets of measurements—one using a database prototype and one using tra ...
Chapter 4
... Data manipulation or data modification language (DML) commands are SQL commands that retrieve, insert, update, and delete table rows in an Oracle database. The four basic DML commands are SELECT, INSERT, UPDATE, and DELETE. Subsequent sections of this chapter provide you with a thorough introduct ...
... Data manipulation or data modification language (DML) commands are SQL commands that retrieve, insert, update, and delete table rows in an Oracle database. The four basic DML commands are SELECT, INSERT, UPDATE, and DELETE. Subsequent sections of this chapter provide you with a thorough introduct ...
Monitor an Enterprise of SQL Servers - Automating Management by
... group, it is often not easy to effectively manage SQL Server monitoring-related issues. Communication of these issues can be a challenge. For instance, NT system changes that are managed by separate organizational groups, but may have significant impact on SQL Server, are not always promptly communi ...
... group, it is often not easy to effectively manage SQL Server monitoring-related issues. Communication of these issues can be a challenge. For instance, NT system changes that are managed by separate organizational groups, but may have significant impact on SQL Server, are not always promptly communi ...
ÿþE PMS ystem B ackupand R ecovery G uide R elease 1 1 . 1 . 2 . 2
... Hot backup—Users can modify the database during a hot backup. Log files of changes made during the backup are saved, and the logged changes are applied to synchronize the database and the backup copy. A hot backup is used when a full backup is needed and the service level does not allow system downt ...
... Hot backup—Users can modify the database during a hot backup. Log files of changes made during the backup are saved, and the logged changes are applied to synchronize the database and the backup copy. A hot backup is used when a full backup is needed and the service level does not allow system downt ...
O'Brien - Intro. to Information Systems
... Managing Data Resources Types of Databases Data Warehouses The Database Management Approach Section II Technical Foundations of Database Management Database Structures Database Development ...
... Managing Data Resources Types of Databases Data Warehouses The Database Management Approach Section II Technical Foundations of Database Management Database Structures Database Development ...
Scaling Hibernate Applications with Postgres
... • A table is getting very large and the database administrator just partitioned the table, but now the application can no longer insert into the table. Could not synchronize database state with session org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; act ...
... • A table is getting very large and the database administrator just partitioned the table, but now the application can no longer insert into the table. Could not synchronize database state with session org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; act ...
IOSR Journal of Computer Engineering (IOSR-JCE) e-ISSN: 2278-0661,p-ISSN: 2278-8727, PP 06-09 www.iosrjournals.org
... In this system we can generates query forms like control panels, aggregation functions, table etc. These are all dynamically generated components. After that generation of component the system adds database and components with respect to components. The user fills the query according to their own re ...
... In this system we can generates query forms like control panels, aggregation functions, table etc. These are all dynamically generated components. After that generation of component the system adds database and components with respect to components. The user fills the query according to their own re ...
Chapter Prerequisites
... Data manipulation or data modification language (DML) commands are SQL commands that retrieve, insert, update, and delete table rows in an Oracle database. The four basic DML commands are SELECT, INSERT, UPDATE, and DELETE. Subsequent sections of this chapter provide you with a thorough introducti ...
... Data manipulation or data modification language (DML) commands are SQL commands that retrieve, insert, update, and delete table rows in an Oracle database. The four basic DML commands are SELECT, INSERT, UPDATE, and DELETE. Subsequent sections of this chapter provide you with a thorough introducti ...
ORACLE DBA HANDBOOK
... At startup, SMON’s job is to ensure that all the database files are consistent and perform recovery if required. There is also an assortment of other cleanup activities that may need to be done, which are SMON’s responsibility. The SMON process by itself checks every so often to see whether there ar ...
... At startup, SMON’s job is to ensure that all the database files are consistent and perform recovery if required. There is also an assortment of other cleanup activities that may need to be done, which are SMON’s responsibility. The SMON process by itself checks every so often to see whether there ar ...
Oracle Database. In-Memory Aggregation
... the need for indexes, summary tables or materialized views. In-Memory Aggregation typically provides a 3-8 times improvement in query performance over non-IMA plans, with more consistent performance and fewer longer running queries. Without the need to support objects such as indexes and summary tab ...
... the need for indexes, summary tables or materialized views. In-Memory Aggregation typically provides a 3-8 times improvement in query performance over non-IMA plans, with more consistent performance and fewer longer running queries. Without the need to support objects such as indexes and summary tab ...
CO22001 Database Administrator
... When the program is finished using the DBMS, it should disconnect using: EXEC SQL commit release; ...
... When the program is finished using the DBMS, it should disconnect using: EXEC SQL commit release; ...
branch-name
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...