create database - Docs search results , p.16

51.2. Foreign Data Wrapper Callback Routines

database object options. The FDW may ignore the local_schema field of the ImportForeignSchemaStmt , because the core server will automatically insert that name into the parsed CREATE

12.7. Configuration Example

database management system, is now undergoing beta testing of the next version of our software. '); The next step is to set the session to use the new configuration, which was created

11.5. Combining Multiple Indexes

database developer must make trade-offs to decide which indexes to provide. Sometimes multicolumn indexes are best, but sometimes it's better to create

Chapter 7. Queries

create tables, how to fill them with data, and how to manipulate that data. Now we finally discuss how to retrieve the data from the database

48.11. pg_class

database's default tablespace is implied. (Not meaningful if the relation has no on-disk file.) relpages int4   Size of the on-disk representation of this table in pages (of size BLCKSZ ). This is only

F.51. sr_plan

CREATE EXTENSION sr_plan; and modify your postgresql.conf: shared_preload_libraries = 'sr_plan' It is essential that library is preloaded during server startup, because use of saved plans is enabled on per-database

42.8. Explicit Subtransactions

database access as described in Section 42.7.2 can lead to an undesirable situation where some operations succeed before one of them fails, and after recovering from that error the data is left in an inconsistent

32.4. Using Host Variables

database back to the program, the C variables that are intended to contain this data need to be declared in specially marked sections, so the embedded SQL preprocessor is made aware of them. This section

15.4. Parallel Safety

CREATE AGGREGATE , the PARALLEL option can be specified with SAFE , RESTRICTED , or UNSAFE as the corresponding value. Functions and aggregates must be marked PARALLEL UNSAFE if they write to the database

E.57. Release 9.6

created by initdb . Change a column name in the information_schema . routines view from result_cast_character_set_name to result_cast_char_set_name (Clément Prévost) The SQL:2011 standard specifies the longer name

Chapter 2. The SQL Language

Creating a New Table 2.4. Populating a Table With Rows 2.5. Querying a Table 2.6. Joins Between Tables 2.7. Aggregate Functions 2.8. Updates 2.9. Deletions Prev   Home   Next 1.4. Accessing a Database

F.48. seg

database. What do you get when you fetch it? Watch: test=> select 6.50 :: float8 as "pH"; pH --- 6.5 (1 row) In the world of measurements, 6.50 is not the same

CREATE RULE

create a new rule, or replace an existing rule of the same name for the same table. The Postgres Pro rule system allows one to define an alternative action to be performed on insertions, updates

34.6. Function Volatility Categories

CREATE FUNCTION command does not specify a category. The volatility category is a promise to the optimizer about the behavior of the function: A VOLATILE function can do anything, including modifying the database

31.1. Introduction

created, modified, and deleted using a read/write API that is similar to standard operations on files. Postgres Pro also supports a storage system called “ TOAST ” , which automatically stores values larger than a single database