novnov wrote: > As far as I can tell pgsql itself does not require table and field names to > be wrapped in double quotes, but pgAdmin does that by default (at least on > windows). Often times there will be a contraction in a string, or a direct quote. The code is the following:-----DO $$ DECLARE To ignore or escape the single quote is a common requirement of all database developers. Pictorial Presentation of PostgreSQL SPLIT_PART() function The thing is, postgres SQL wants me to put double quotes around table and feild names. postgres insert into single quote postgresql double quotes column name postgresql quotation marks in queries postgres format quote insert apostrophe postgres A string constant in SQL is an arbitrary sequence of characters bounded by single quotes ('), for example 'This is a string'. Thanks for you answer, the name of the table is Complexitie, I was using postgresql the last year and i remember I could write queries in a simple way without mandatory sintaxis things like case senstivie, mandatory quotes, I read something about to setup arbitrary sql queris en postgre, but I can not find steps to configure it. Normally single and double quotes are commonly used with any text data in PostgreSQL. - postgres SQL database using UTF-8 - ODBC connection to postgres database, assume data soucrce name is BOB - a program which retrieves results from the database by sending the SQL statement as a command argument. I'm trying to find the documentation of a complete list of escape sequences for string data types in Postgresql. In respect to this, how do you escape double quotes in Postgres? Syntax: split_part(,, ) PostgreSQL Version: 9.3 . The PostgreSQL split_part function is used to split a given string based on a delimiter and pick out the desired field from the string, start from the left of the string. I have a problem with quotes which I can't find a solution. In situations like in NPS survey reports or … PostgreSQL does require you to use double quotes in some circumstances (for example, if you use upper case letters). Eg. pgAdmin automatically quotes identifiers if you use a name that requires them. SELECT REPLACE(text, '"', E'\"') FROM aTable WHERE You'll need to escape your escape character to get a literal backslash (hence the doubled backslash) and use the "E" prefix on the replacement string to get the right escape syntax. in cases where a column name is the same as a reserved word), and only single quotes(') are used to quote strings. Inside a query string I have another query string; I used for the later double quotes, but it is still complaining The problem is with the function pgr_drivingdistance (from pgrouting extension). As shown in the demonstration above, single quotes behave the same way as double quotes in these contexts. In PostgreSQL, double quotes are used to quote columns (e.g. As you probably understand, apostrophe (otherwise known as semi-quotes or single quotes) and quote symbols are used in Postgres and many programming languages to delineate text strings and string-based commands. PostgreSQL QUOTE_IDENT() function with Example : The PostgreSQL quote_ident function is used to make a given string with suitably double quoted, so as it can be used like an identifier in an sql statement string if required. Different DBMSs use different jargon, so I'm having a hard time finding what to search for. Definition on PostgreSQL escape single quote. SELECT * FROM "table" where "ID" = 1 By using double quotes and backslash we can avoid the complexity of single quotes as well as it is easy to read and maintain. So for example, if you need to escape a quote character inside of a quoted string, you would use \". The QUOTE_LITERAL function overview, syntax, and parameters. Using Single Quotes and Double Quotes Together. Best practice is to use double quotes to delimit the string containing a SQL query, and single quotes to delimit actual strings within the query. E.g., do Requirement of all database developers \ '' is, postgres SQL wants me to put double quotes postgres. Complete list of escape sequences for string data types in PostgreSQL, double quotes in some circumstances for. 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