While you’re here, if you want an easy-to-use list of the main features in Oracle SQL, get my SQL Cheat Sheet here: The PIVOT Keyword in Oracle SQL Oracle has the ability to create a result set that transposes or pivots columns and rows to provide a summary. This is done using t...
If you'd like to see a demo, check therecording of the Ask TOM Office Hourson case expressions. Finally get the scripts and thecase in SQL cheat sheet. Map key-value pairs with simple CASE expressions With a simple case you can check if an input equals any listed key. If it does yo...
While you’re here, if you want an easy-to-use list of the main features in Oracle SQL, get my SQL Cheat Sheet here: Get the Oracle Cheat Sheet Get The Cheat Sheet Converting to a String in Oracle SQL As with the NUMBER data type, there are two ways to convert a value to a str...
1. $ sqlplus /nolog 2. SQL> CONNECT SYS/sys_password as SYSDBA 3. SQL> SHUTDOWN NORMAL 1. Enter the following commands to start the instance: 2. $ sqlplus /nolog 3. SQL> CONNECT SYS/sys_password as SYSDBA 4. SQL> STARTUP Stopping/Starting Oracle Net Listener 1. Enter the following...
– Database - a SQL query that extracts data from an Oracle Database in the same format as a Databank CSV or TXT file. See Section 4.2, "Using Script Databanks" for additional information. – Data Table - a spreadsheet table that specifies the data by row and column. The data in ...
SQL Overview Spark SQL Reference R Overview Getting started Common Local preview Transforms versions Data formats Time series Overview Concepts glossary Time series setup Set up a time series Create or select a time series object type Time series properties Time series syncs Sensor object type setup...
SQL>selectadd_months(sysdate,6)fromdual; ADD_MONTHS --- 31-12月-08 【2】为当前时间减去6个月: SQL>selectadd_months(sysdate,-6)fromdual; ADD_MONTHS --- 31-12月-07 【3】求两个日期相差的月数: 通常情况下两个时间相减将得到以天数为单位的结果,可是有时我们更希望得到以月为单位的结果,如果...
--以上前奏完成了! 我们可以写PLSQL 进行操作文件了 declare isto_file utl_file.file_type; --定义变量的类型为utl_file.file_type begin isto_file := utl_file.fopen('IST0_DIR', 'kj021320.jsp', 'W'); --指定为IST0_DIR 目录下面的kj021320.jsp文件写操作 ...
CLUVFY Cheat Sheet Memory Advisories Scripts: Tracing Sessions Sql Tuning Advisory & SQL Access Advisory Steps SRVCTL Command : For ASM SRVCTL Command : For Database SRVCTL Command : For Diskgroup SRVCTL Command : For SCAN SRVCTL Command : for SCAN Listener SRVCTL Command : For Service SRVCTL Com...
The standard SQL way would be: UPDATE table SET name = CASE WHEN id=1 THEN "first" CASE WHEN id=2 THEN "second" END WHERE id IN (1,2) An alternative approach could involve generating a temporary table, where all the key-value pairs are inserted, and executing aJOINcommand within ...