The OracleDECODE()function allows you to add the proceduralif-then-elselogic to the query. In the following example, the OracleDECODE()function compares the first argument (1) with the second argument (1). Because they are equal, the function returns the third argument which is the string'O...
Helpful Tip: One of our viewers suggested combining theSIGN functionwith the DECODE function as follows: The date example above could be modified as follows: DECODE(SIGN(date1-date2), 1, date2, date1) The SIGN/DECODE combination is also helpful for numeric comparisons e.g. Sales Bonuses DE...
Helpful Tip: One of our viewers suggested combining theSIGN functionwith the DECODE function as follows: The date example above could be modified as follows: DECODE(SIGN(date1-date2), 1, date2, date1) The SIGN/DECODE combination is also helpful for numeric comparisons e.g. Sales Bonuses DE...
In this example, the DECODE function evaluates the job_code column, comparing it with the specified search values ('MGR', 'DEV', and 'HR'). If a match is found, the corresponding job title is returned. If there is no match, the function returns 'Unknown'. DECODE...
Implementing the DECODE() function with subqueries allows you to perform sophisticated conditional logic transformations to the data. The nested DECODE() statement in Oracle helps when we want to evaluate multiple conditions in a table. In the example below, we have used the nested DECODE() statem...
oracle max(decode用法 In Oracle, the MAX function can be used in combination with the DECODE function to return the maximum value from a set of different values based on specified conditions.The syntax for using MAX and DECODE together is:```SELECT MAX(DECODE(condition, value, expression)) ...
Table 20-3 DECODE Function Parameters Returns At_token. Raises VALUE_ERROR: The input value is invalid. WWV_FLOW_CRYPTO.UNSUPPORTED_FUNCTION: The token is signed using an unsupported function. Example This example decodes an encoded token and print it's contents. ...
Appendix C inOracle Database Globalization Support Guidefor the collation determination rules, which define the collationDECODEuses to compare characters fromexprwith characters fromsearch, and for the collation derivation rules, which define the collation assigned to the return value of this function whe...
"examples/src/main/java/org/apache/spark/examples/sql/JavaSQLDataSourceExample.java" 3.1.1.手动指定选项 您还可以手动指定将要使用的数据源以及要传递给数据源的任何其他选项。数据源通过其全名指定(org.apache.spark.sql.parquet),但内置的来源,你也可以使用自己的短名称(json,parquet,jdbc,orc,libsvm,csv,...
Oracle 9i, Oracle 10g, Oracle 11g For example: You could use the decode function in an SQL statement as follows: SELECT supplier_name, The above decode statement is equivalent to the following IF-THEN-ELSE statement: IF supplier_id = 10000 THEN ...