Re: Regexp, replace ??? what do I need to usePosted by: Felix Geerinckx Date: February 07, 2007 02:06AM Sandra Rascheli Wrote: > What I am having trouble is how to see if a particular number is present in the result of this query One way would be the following: USE ...
If you are familiar with UNIX-style regular expressions, you can use them while performing queries and string manipulations. You use theREGEXP_LIKEoperator in SQL queries, and theREGEXP_INSTR,REGEXP_REPLACE, andREGEXP_SUBSTRfunctions anywhere you would useINSTR,REPLACE, andSUBSTR. See Also: "S...
MySQL 8.0 deliversNOWAITandSKIP LOCKEDalternatives in the SQL locking clause. Normally, when a row is locked due to anUPDATEor aSELECT ... FOR UPDATE, any other transaction will have to wait to access that locked row. In some use cases there is a need to either return immediately if a ...
and others \# There are four types of matches: regexp, text, ghdb \# Matches are enclosed in {} brackets and separated by commas matches [ {:name=>"a brief description of the match, eg. powered by in footer", :certainty=>100, # 100 is certain, 75 is probably and 25 is maybe....
Window functions come in two flavors: SQL aggregate functions used as window functions and specialized window functions. This is the set of aggregate functions in MySQL that support windowing:COUNT,SUM,AVG,MIN,MAX,BIT_OR,BIT_AND,BIT_XOR,STDDEV_POP(and its synonymsSTD,STDDEV),STDDEV_SAMP,VAR_...
-p + is a shortcut for -p +plugins-disabled. --grep, -g=STRING|REGEXP Search for STRING or a Regular Expression. Shows only the results that match. Examples: --grep "hello" --grep "/he[l]*o/" --custom-plugin=DEFINITION Define a custom plugin named Custom-Plugin, ...
-p + is a shortcut for -p +plugins-disabled. --grep, -g=STRING|REGEXP Search for STRING or a Regular Expression. Shows only the results that match. Examples: --grep "hello" --grep "/he[l]*o/" --custom-plugin=DEFINITION Define a custom plugin named Custom-Plugin, ...
MySQL 8.0 delivers NOWAIT and SKIP LOCKED alternatives in the SQL locking clause. Normally, when a row is locked due to an UPDATE or a SELECT ... FOR UPDATE, any other transaction will have to wait to access that locked row. In some use cases there is a need to either return immediat...
Examples: +/tmp/moo.rb,+/tmp/foo.rb title,md5,+./plugins-disabled/ ./plugins-disabled,-md5 -p + is a shortcut for -p +plugins-disabled. --grep, -g=STRING|REGEXP Search for STRING or a Regular Expression. Shows only the results that match. Examples: --grep "hello" --grep "/...
Don't know about performance differences for you, but is very quick and simple to follow... Not sure about regexp, but here's an old trick I had in another language, but would work in a similar approach in MySQL. the Replace command will allow you to strip out characters via......