 PostgreSQL 8.0 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either such a fashion is considered bad form; if you wish to feed several columns from the same sequence generator, create the sequence as an independent object. 8.2. Monetary Types Note: The money type is deprecated0 码力 | 1422 页 | 9.92 MB | 1 年前3 PostgreSQL 8.0 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either such a fashion is considered bad form; if you wish to feed several columns from the same sequence generator, create the sequence as an independent object. 8.2. Monetary Types Note: The money type is deprecated0 码力 | 1422 页 | 9.92 MB | 1 年前3
 PostgreSQL 8.0 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either such a fashion is considered bad form; if you wish to feed several columns from the same sequence generator, create the sequence as an independent object. 8.2. Monetary Types Note: The money type is deprecated0 码力 | 1332 页 | 9.76 MB | 1 年前3 PostgreSQL 8.0 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either such a fashion is considered bad form; if you wish to feed several columns from the same sequence generator, create the sequence as an independent object. 8.2. Monetary Types Note: The money type is deprecated0 码力 | 1332 页 | 9.76 MB | 1 年前3
 PostgreSQL 8.1.11 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either such a fashion is considered bad form; if you wish to feed several columns from the same sequence generator, create the sequence as an independent object. 8.2. Monetary Types Note: The money type is deprecated0 码力 | 1582 页 | 12.19 MB | 1 年前3 PostgreSQL 8.1.11 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either such a fashion is considered bad form; if you wish to feed several columns from the same sequence generator, create the sequence as an independent object. 8.2. Monetary Types Note: The money type is deprecated0 码力 | 1582 页 | 12.19 MB | 1 年前3
 PostgreSQL 8.1 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either such a fashion is considered bad form; if you wish to feed several columns from the same sequence generator, create the sequence as an independent object. 8.2. Monetary Types Note: The money type is deprecated0 码力 | 1548 页 | 11.54 MB | 1 年前3 PostgreSQL 8.1 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either such a fashion is considered bad form; if you wish to feed several columns from the same sequence generator, create the sequence as an independent object. 8.2. Monetary Types Note: The money type is deprecated0 码力 | 1548 页 | 11.54 MB | 1 年前3
 PostgreSQL 8.2 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either "PL/Python" ]) $$ LANGUAGE plpythonu; 743 Chapter 40. PL/Python - Python Procedural Language Generator (yield) CREATE FUNCTION greet (how text) RETURNS SETOF greeting AS $$ for who in [ "World", "PostgreSQL"0 码力 | 1762 页 | 5.43 MB | 1 年前3 PostgreSQL 8.2 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either "PL/Python" ]) $$ LANGUAGE plpythonu; 743 Chapter 40. PL/Python - Python Procedural Language Generator (yield) CREATE FUNCTION greet (how text) RETURNS SETOF greeting AS $$ for who in [ "World", "PostgreSQL"0 码力 | 1762 页 | 5.43 MB | 1 年前3
 PostgreSQL 8.2 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either "PL/Python" ]) $$ LANGUAGE plpythonu; 743 Chapter 40. PL/Python - Python Procedural Language Generator (yield) CREATE FUNCTION greet (how text) RETURNS SETOF greeting AS $$ for who in [ "World", "PostgreSQL"0 码力 | 1748 页 | 13.12 MB | 1 年前3 PostgreSQL 8.2 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be explicitly inserted, either "PL/Python" ]) $$ LANGUAGE plpythonu; 743 Chapter 40. PL/Python - Python Procedural Language Generator (yield) CREATE FUNCTION greet (how text) RETURNS SETOF greeting AS $$ for who in [ "World", "PostgreSQL"0 码力 | 1748 页 | 13.12 MB | 1 年前3
 PostgreSQL 11.22 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be inserted. (In most cases that requires cryptographically strong random numbers, and substitutes a weak pseudo-random-number-generator for the generation of authentication salt values and query cancel keys. It may make authentication0 码力 | 2732 页 | 12.44 MB | 1 年前3 PostgreSQL 11.22 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be inserted. (In most cases that requires cryptographically strong random numbers, and substitutes a weak pseudo-random-number-generator for the generation of authentication salt values and query cancel keys. It may make authentication0 码力 | 2732 页 | 12.44 MB | 1 年前3
 PostgreSQL 11.22 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be inserted. (In most cases requires cryptographically strong random numbers, and substitutes a weak pseudo-ran- dom-number-generator for the generation of authentication salt values and query cancel keys. It may make authentication0 码力 | 2883 页 | 12.34 MB | 1 年前3 PostgreSQL 11.22 Documentationto ensure that this is the case. If you need to identify the rows in a table, using a sequence generator is strongly recommended. However, OIDs can be used as well, provided that a few additional precautions have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be inserted. (In most cases requires cryptographically strong random numbers, and substitutes a weak pseudo-ran- dom-number-generator for the generation of authentication salt values and query cancel keys. It may make authentication0 码力 | 2883 页 | 12.34 MB | 1 年前3
 PostgreSQL 16.1 Documentationsearch dictionary which removes diacritics ........................ 3006 F.49. uuid-ossp — a UUID generator ................................................................ 3009 F.50. xml2 — XPath querying have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be inserted. (In most cases 0, inclusive setseed(0.12345) The random() function uses a deterministic pseudo-random number generator. It is fast but not suitable for cryptographic applications; see the pgcrypto module for a more0 码力 | 3133 页 | 14.10 MB | 1 年前3 PostgreSQL 16.1 Documentationsearch dictionary which removes diacritics ........................ 3006 F.49. uuid-ossp — a UUID generator ................................................................ 3009 F.50. xml2 — XPath querying have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be inserted. (In most cases 0, inclusive setseed(0.12345) The random() function uses a deterministic pseudo-random number generator. It is fast but not suitable for cryptographic applications; see the pgcrypto module for a more0 码力 | 3133 页 | 14.10 MB | 1 年前3
 PostgreSQL 16.1 Documentationtext search dictionary which removes diacritics ................... 2854 F.49. uuid-ossp — a UUID generator .......................................................... 2857 xx PostgreSQL 16.1 Documentation have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be inserted. (In most cases 0, inclusive setseed(0.12345) The random() function uses a deterministic pseudo-random number generator. It is fast but not suit- able for cryptographic applications; see the pgcrypto module for a more0 码力 | 2974 页 | 14.22 MB | 1 年前3 PostgreSQL 16.1 Documentationtext search dictionary which removes diacritics ................... 2854 F.49. uuid-ossp — a UUID generator .......................................................... 2857 xx PostgreSQL 16.1 Documentation have created an integer column and arranged for its default values to be assigned from a sequence generator. A NOT NULL constraint is applied to ensure that a null value cannot be inserted. (In most cases 0, inclusive setseed(0.12345) The random() function uses a deterministic pseudo-random number generator. It is fast but not suit- able for cryptographic applications; see the pgcrypto module for a more0 码力 | 2974 页 | 14.22 MB | 1 年前3
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