postgres=# \help SELECT Command: SELECT Description: retrieve rows from a table or view Syntax: [ WITH [ RECURSIVE ] with_query [, ...] ] SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ] [ * | expression [ [ AS ] output_name ] [, ...] ] [ FROM from_item [,...
5. How to specify postgreSQL index type while creating a new index on a table ? By default the indexes are created as btree. You can also specify the type of index during the create index statement as shown below. Syntax: CREATE INDEX name ON table USING index_type (column); # CREATE ...
options show help on psql command-line options \? variables show help on special variables \h [NAME] help on syntax of SQL commands, * for all commandsQuery Buffer \e [FILE] [LINE] edit the query buffer (or file) with external editor \ef [FUNCNAME [LINE]] edit f...
{ "syntax_error_or_access_rule_violation", ERRCODE_SYNTAX_ERROR_OR_ACCESS_RULE_VIOLATION }, { "syntax_error", ERRCODE_SYNTAX_ERROR }, { "insufficient_privilege", ERRCODE_INSUFFICIENT_PRIVILEGE }, { "cannot_coerce", ERRCODE_CANNOT_COERCE }, { "grouping_error", ERRCODE_GROUPING_ERROR }, {...
Command: CREATE SCHEMA Description: define a new schema Syntax: CREATE SCHEMA schema_name [ AUTHORIZATION user_name ] [ schema_element [ ... ] ] CREATE SCHEMA AUTHORIZATION user_name [ schema_element [ ... ] ] CREATE SCHEMA IF NOT EXISTS schema_name [ AUTHORIZATION user_name ] ...
create table t1 as select * from t; create table t2 as select * from t; create index ind_t2_id on t2(id); lottu=# analyze t1; ANALYZE lottu=# analyze t2; ANALYZE # 没有索引 lottu=# explain (analyze,buffers,verbose) select * from t1 where id < 10; ...
What are the syntax differences between PostgreSQL and SQL Server? Compare PostgreSQL vs. MSSQL Server Syntax 中文:数据库SQL的一些前缀的比较 What are the data type differences between PostgreSQL and SQL Server? Compare data types in PostgreSQL vs. MSSQL ...
postgres=# \help create table Command: CREATE TABLE Description: define a new table Syntax: CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } | UNLOGGED ] TABLE [ IF NOT EXISTS ] table_name ( [ { column_name data_type [ STORAGE { PLAIN | EXTERNAL | EXTENDED | MAIN | DEFAULT } ...
Exception in thread "main" com.alibaba.druid.sql.parser.ParserException: syntax error, error in :'ame" COLLATE "pg_catalog"."default"', expect RPAREN, actual IDENTIFIER pos 82, line 2, column 10, token IDENTIFIER COLLATE at com.alibaba.druid.sql.parser.SQLParser.printError(SQLParser.java:344...
CREATE GROUP 定义一个新的用户组。 CREATE GROUP name [ [ WITH ] option [ ... ] ] Where option can be: SYSID gid | USER username [, ...] CREATE INDEX 定义一个新索引。 CREATE [ UNIQUE ] INDEX name ON table [ USING method ] ( { column | ( expression ) } [ opclass ] [, .....