Let's break the script down. index revuild Protected: ORACLE : Shell script to rebuild indexes for index fragmentation Posted on August 31, 2020 in Oracle DB Admin , Oracle Fragmentation , Shell_Scripting A shell is a command-line interpreter and typical operations performed by shell scripts include file manipulation, program execution, and printing text. You can script the data for the database when you select Schema and data for the Types of data to script option. Shell scripts have several required constructs that tell the shell environment what to do and when to do it. Note. Bash aka the Bourne Again Shell is the default command-line interpreter in most Linux distros nowadays. This limitation is okay for small databases. I fixed that by writing a bash shell script, which is run by cron, in this case immediately after every rsync. Fix for index Listings . Shell script to move files and rename it with indexHelpful? In a BASH for loop, all the statements between do and done are performed once for every item in the list. $0-The filename of the current script. The Bash way of using for loops is somewhat different from the way other programming and scripting languages handle for loops. Following is an example to slice an array. $$-The process number of the current shell. To slice an array arr from starting index m to ending index n, use the syntax. Script to rebuild indexes It is very difficult to write a script that will identify indexes that will benefit from rebuilding because it depends on how the indexes are used. $#-The number of arguments supplied to a script. Script Indexes set to True. You cannot specify a descending index key when creating a wildcard index. @Daniel This question asks for an index of substring too – Nikita Rybak Feb 17 '11 at 16:41 add a comment | 4 Answers 4 Of course, most scripts are more complex than the above one. This tutorial is written to help people understand some of the basics of shell script programming (aka shell scripting), and hopefully to introduce some of the possibilities of simple but powerful programming available under the Bourne shell.As such, it has been written as a basis for one-on-one or group tutorials and exercises, and as a reference for subsequent use. Shell Scripting Tutorial. This creates a static index.html file formatted exactly as the simple apache-generated one. Bash array could be sliced from a starting index to ending index. Changed in version 4.2: MongoDB 4.2 wildcard indexes support workloads where users query against custom fields or a large variety of fields in a collection: To create a wildcard index on all fields and subfields in a document, specify {"$**": 1} as the index key. Now apache serves the single index.html, which can be cached.Served in less than a second now. However, this isn't ideal with large databases. 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