"explicit value must be specified for identity column in table" error in SQL 2000 "FROM clause have the same exposed names. Use correlation names to distinguish them" "No transaction is active." error when trying to send a transactional SQL statment over MSDTC "Restricted data type attrib...
value_in if the function to test on null values. The value_in field can have a datatype char, varchar2, date or number datatype. replace_with is the value that is returned if value_in has a null value. The NVL statement works like this pl/sql code:...
An ORM library is written in our language of choice and encapsulates the code needed to manipulate the data. Therefore we don’t need to directly use the SQL; we can interact instantly with an object from our code, instead of a database table. The ORM tool translates the interaction into ...
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source nam...
Refer -http://www.adp-gmbh.ch/ora/sql/to_char.htmlfor Date conversion formats. 18) Change any join qeueries to use MySQL Syntax. Shortcuts like (+) need to be replaced with LEFT OUTER JOIN (complete ANSI syntax) Oracle uses (+) in the predicate to indicate if to return the row ...
Use PL/SQL Expression to specify an expression in valid PL/SQL syntax that evaluates to true or false. For example: NVL(:MY_ITEM,'NO') = 'YES' If the value of :MY_ITEM is YES, as in the previous example, then the condition evaluates as true. If the value of :MY_ITEM is anyt...
Once you have created all the necessary database objects, the next step is to load data into the tables. You can manually load data using the import functionality available in SQL Scripts. In the following exercise, you use SQL Scripts to load demonstration data....
I don't know if this is helpful but this is how I deal with null values in Oracle SQL. I use the NVL() function -http://www.techonthenet.com/oracle/functions/nvl.php On a sales column, it would be something like this...
Data Control Language Statements are used to grant privileges on tables, views, sequences, synonyms, procedures to other users or roles.The DCL statements areGRANT :Use to grant privileges to other users or roles.REVOKE :Use to take back privileges granted to other users and roles....
The decode function can be used in SQL for and IF-THEN-ELSE construction. It's an alternative for the CASE statement which was introduced in Oracle 8. Syntax: decode( expression , compare_value, return_value, [,compare, return_value] ... [,default_return_value] ) ...