postgresql select column name
SELECT * FROM information_schema.columns WHERE table_schema ... If you start psql with the parameter -E , the SQL behind backslash commands like ... Given one table, is it possible to have a list of the names of the columns for this table. ,2019年9月19日 — Execute the a SQL statement in 'psql' to get the column names of a PostgreSQL table. SELECT column_name FROM INFORMATION_SCHEMA. COLUMNS WHERE TABLE_NAME = 'some_table'; NOTE: Make sure to replace the some_table string that&#,2015年9月3日 — Open psql command line and type : -d+ table_name. ,2013年4月4日 — column is a reserved word. You cannot use it as identifier unless you double-quote it. Like: "column" . Doesn't mean you should, though. ,If you want to select data from all the columns of the table, you can use an asterisk ( * ) shorthand instead of specifying all the column names. The select list may ... ,For instance, it could be a list of column names: SELECT a, b, c FROM ... The columns names a, b, and c are either the actual names of the columns ... ,If an alias is written, a column alias list can also be written to provide substitute names for one or more columns of the table. select. A sub-SELECT can appear in ... ,For instance, it could be a list of column names: SELECT a, b, c FROM ... The columns names a, b, and c are either the actual names of the columns ... ,* as a shorthand for the columns coming from just that table. In these cases it is not possible to specify new names with AS ; the output column names will be the ... ,2020年1月2日 — In PostgreSQL, an alias is a temporary alternative name for columns, tables ... Column aliases can be used in the SELECT list of a SQL query in ...
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 postgresql select column name 相關參考資料
How do I list all columns for a specified table - Database ...
SELECT * FROM information_schema.columns WHERE table_schema ... If you start psql with the parameter -E , the SQL behind backslash commands like ... Given one table, is it possible to have a list of t... https://dba.stackexchange.com Get The Column Names From A PostgreSQL Table with the ...
2019年9月19日 — Execute the a SQL statement in 'psql' to get the column names of a PostgreSQL table. SELECT column_name FROM INFORMATION_SCHEMA. COLUMNS WHERE TABLE_NAME = 'some_table'; ... https://kb.objectrocket.com How to get a list column names and datatype of a table in ...
2015年9月3日 — Open psql command line and type : -d+ table_name. https://stackoverflow.com Select columns with particular column names in PostgreSQL ...
2013年4月4日 — column is a reserved word. You cannot use it as identifier unless you double-quote it. Like: "column" . Doesn't mean you should, though. https://stackoverflow.com PostgreSQL SELECT - PostgreSQL Tutorial
If you want to select data from all the columns of the table, you can use an asterisk ( * ) shorthand instead of specifying all the column names. The select list may ... https://www.postgresqltutorial Documentation: 8.2: Select Lists - PostgreSQL
For instance, it could be a list of column names: SELECT a, b, c FROM ... The columns names a, b, and c are either the actual names of the columns ... https://www.postgresql.org Documentation: 9.2: SELECT - PostgreSQL
If an alias is written, a column alias list can also be written to provide substitute names for one or more columns of the table. select. A sub-SELECT can appear in ... https://www.postgresql.org Documentation: 8.4: Select Lists - PostgreSQL
For instance, it could be a list of column names: SELECT a, b, c FROM ... The columns names a, b, and c are either the actual names of the columns ... https://www.postgresql.org SELECT - PostgreSQL 正體中文使用手冊
* as a shorthand for the columns coming from just that table. In these cases it is not possible to specify new names with AS ; the output column names will be the ... https://docs.postgresql.tw How to use tables and column aliases when building a ...
2020年1月2日 — In PostgreSQL, an alias is a temporary alternative name for columns, tables ... Column aliases can be used in the SELECT list of a SQL query in ... https://www.enterprisedb.com |