Difference between revisions of "Select"
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{{lowercase}} | {{lowercase}} | ||
| + | select | ||
| + | [[select count]] | ||
| + | [[select distinct]] | ||
| − | [[PostgreSQL]]: | + | [[PostgreSQL select]]: |
| − | * <code> select * from your_table_name</code> | + | * <code> select * from your_table_name;</code> |
| + | |||
| + | * <code> select * from your_db.your_table_name;</code> | ||
SELECT * FROM your_table_name; | SELECT * FROM your_table_name; | ||
| Line 9: | Line 14: | ||
[[SELECT version();]] | [[SELECT version();]] | ||
| + | [[SELECT current user;]] | ||
* <code>[[select]] current_setting('[[block_size]]');</code> | * <code>[[select]] current_setting('[[block_size]]');</code> | ||
| Line 16: | Line 22: | ||
* <code>[[jq]] '.[] | [[select]](.color=="blue")' your_json_file.json</code> | * <code>[[jq]] '.[] | [[select]](.color=="blue")' your_json_file.json</code> | ||
| + | |||
| + | |||
== Related terms == | == Related terms == | ||
* [[MongoDB]]: <code>db.YOUR_COLLETION_NAME.[[find]] ()</code> | * [[MongoDB]]: <code>db.YOUR_COLLETION_NAME.[[find]] ()</code> | ||
* <code>[[select count]]</code> | * <code>[[select count]]</code> | ||
| − | * <code>[[GRANT]]</code> | + | * <code>[[select distinct]]</code> |
| + | * <code>[[GRANT SELECT]]</code> | ||
| + | * <code>[[ERROR: permission denied for relation]] your_table</code> | ||
== See also == | == See also == | ||
Revision as of 13:48, 8 November 2022
select select count select distinct
select * from your_table_name;
select * from your_db.your_table_name;
SELECT * FROM your_table_name; ERROR: permission denied for table your_table_name
SELECT version(); SELECT current user;
select current_setting('block_size');
- MySQL:
select user FROM mysql.user;
Related terms
- MongoDB:
db.YOUR_COLLETION_NAME.find () select countselect distinctGRANT SELECTERROR: permission denied for relation your_table
See also
- SQL, NewSQL: GraphQL (2015), SQLite,
select, insert,select count, Distributed SQL, TablePlus, Cache hit ratio,pg_stat_user_tables,EXPLAIN, Index (PostgreSQL), DDL, SQL/MED, Group by, List users, SQL Injection, SQLAlchemy,CREATE USER, CREATE ROLE, EXPLAIN, ALTER DATABASE, REVOKE, NOLOCK, NOWAIT, EXISTS, Unique constraint
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