db2 sql case

"Progressive DB2.DBA system Management, operation and application Case" (New) Reading notes 3Variables affecting the DB2 environmentBefore we had successfully installed the DB2 V9.7 Enterprise Edition with the wizard installed on the Windows platform, now we are not in a hurry to make specific

Tags: DB2 Database Introduction DB2 Introduction DB2 Components"Progressive DB2.DBA system Management, operation and application Case" (New) Reading notes 1Brief History of database development and DB2 introductionThe fundamental

: Network Disk DownloadIntroduction DB2 database is the core product of IBM's relational database, and it is widely used both domestically and globally. For DB2 beginners, the "Step DB2:DBA system Management, operation and application case" gradually introduced the many concepts and knowledge

Tags: DB2 replica environment variables"Progressive DB2.DBA system Management, operation and application Case" (New) Reading notes 5DB2 multi-copy installation and default replica switching impact on environment variablesIn this blog post, I have documented in detail the process of installing a DB2 copy with a wizard o

: MI: SS 'yyyy', 'mm', 'dd', 'hh12', 'hh24', 'mi', and 'ss; ■ Changing the date format in DB2: Current timestamp 'current date', 'current time', and so on; NOTE 2: ■ Changing the Data Type of SQL Server to "data type parameters": int and varchar; ■ Oracle Data Type Change functions: to_char (), to_date (), to_number (), and so on; ■ DB2 data type change functions

= "Disabled" Number Of Entitled Connect Users = "5" Enforcement Policy = "Soft Stop" Number of processors = "2" Number of licensed processors = "1" Database partitioning feature = "Not entitled" Annotation = "" Other information = "" Product Name = "DB2 High Availability Disaster Recovery Option" Product Identifier = "DB2HADR" Version Information = "8.2" Expiry Date = "Permanent" Annotation = "" Other information = "" Product Name = "

Advanced Security Option" Product Identifier = "DB2ASO" Version Information = "8.2" Expiry Date = "Permanent" Annotation = "" Other information = ""If you notice the red lines, you will find that the number of system processors is different from the number of authorizations. In this case, use db2licm-n "DB2ESE" 2 (Note: 2 corresponds to the number of processors in the system. Command: #/home/db2inst1/sqllib/adm/db2licm-n "DB2ESE" 2DBI1418I The number

Before you start About this series Are you considering participating in the DB2 SQL Procedure Developer certification exam (exam 735)? If so, you come to the right place. These six DB2 certifications prepare tutorials to discuss all the basics of the topics you need to know before taking an exam. Even if you're not going to take the certification exams right aw

. on/db2sys/db2inst1/xxx Replace existing redirect without rolling forward The command to change the container and data file path on top of the duplicate is OK. After the path change is complete, restore continue:>DB2 restore DB XXX Continuedb20000i the RESTORE DATABASE command completed successfully.Change archive path GT;DB2 update db cfg for XXX using LOGARCHMETH1 disk:/db2sys/db2log/xxxRestart the datab

. Check the integrity of the backup file and verify whether the backup file is available. db2ckbkp -h /db2logs/PORTALDB.0.db2inst2.NODE0000.CATN0000.20130619001007.001 2. Run the db2ckrst command to return the recommended required recovery command. db2ckrst -d portaldb -r database -t 20130619001007 3. Execute the command sequence given by the previous command db2 restore db portaldb incremental from /backup taken at 20130619001007 buffer 100 The datab

"Progressive DB2.DBA system Management, operation and application Case" (New) Reading notes 2DB2 Wizard installation under WindowsNow DB2 has supported a wide range of IT infrastructures that can be run on many platforms. The three platforms of Windows, Linux, and Unix are collectively known as the LUW platform. For self-taught

operation on the parent table or basic table that is not in the check pending status may also receive this error. After loading the data of the primary table PARENTT, you can use the following statement to restore the table to a normal state: db2setintegrityforhuangdk.childtimmediatechecked For operations that require loading a large number of DB2 Master/Slave tables, the preceding statements will waste a lot of time on the database administr

Use case in DB2 1. WHEN a field in CASE a value in THEN gives ELSE another value in END 2, or: case when a field WHEN a value THEN is assigned to another value END 3. Note: THEN and ELSE do not have to be used together with the use of WHEN or after ELSE or even execute SQL c

Use Case in DB2 1. CaseA FieldWhenA ValueThenAssign a valueElseAssign another valueEnd 2. Or: CaseA FieldWhenA ValueThenAssign another valueEnd 3. Note: Then and else do not have to be used together You can even execute SQL statements after when or after Else.Code. Example: -- 1 Select * From sy_corp_productWhereCase n_corp_code when 969

Once the instance instance directory is created, it cannot change its location.In order to have an instance directory in Linux/unix, a user with the same instance name must be created, with the ultimate purpose of using the user's home directory as the instance directory. On Windows, the instance is a service, and on Linux/unix, the instance is a background process. Therefore, in the UN*X environment, there is an automatic start of a Db2iauto command management instancedb2iauto-on -off Db2instan

Author: (US) Tony Andrews Translator: Chen Yong Yang Health Series name: Chapter Hua programmer library Publishing House: Machinery Industry Publishing House ISBN: 9787111425021 shelving time: -6-4 published on: July 4,: 16 webpage: 86 versions: 1-1 category: more about computers> DB2 SQL Performance Tuning tips computer books DB2

, aggregate, or sort fragments in an XML document. For example, you cannot retrieve the email address of a Gold customer or the name of a customer living in a zip code "95116. To express these types of queries, you need to use SQL (SQL/XML) with XML extensions, XQuery, or both query languages. The next section describes the basic features of SQL/XML. In the next

, restrict, join, aggregate, or sort fragments in an XML document. For example, you cannot retrieve the email address of a gold customer or the name of a customer living in a zip code "95116. To express these types of queries, you need to use SQL (SQL/XML) with XML extensions, XQuery, or both query languages. The next section describes the basic features of SQL

The following articles mainly focus on the migration solution from Oracle SQL to DB2 SQL. Migration from Oracle SQL to DB2 SQL has become very popular, if you want to know more about its practical application, you can browse the f

(current timestamp)Month (current timestamp)Day (current timestamp)Hour (current timestamp)Minute (current timestamp)Second (current timestamp)Microsecond (current timestamp) Obtain the date and time of the current time respectively. Date (current timestamp)Time (current timestamp) Time calculation: Current date + 1 yearCurrent date + 3 years + 2 months + 15 daysCurrent Time + 5 hours-3 minutes + 10 seconds Calculate the number of days between two dates: Days (current date)-days (da